heatload template
DESCRIPTION
heat loadTRANSCRIPT
Project Name : Prepare by : Target Revision : ………………………….....………………
Location : Approved by : Sheet No. : ……………….....…….……....…………
CHAP CHAP
REF REF
HOUR OF OPERATION
GLASS SQ FT X 39 X 0.56 CONDITIONS DB WB % RH DP GR/LB
GLASS SQ FT X 158 X 0.56 OUTDOOR (OA) 96 78 45 54 118
GLASS 120 SQ FT X 11 X 0.56 ROOM (RM) 72 60 50 51 58.8
GLASS 0 SQ FT X 0 X 0.56 DIFFERENCE 24 18 -5 3 59.2
16.00 P.M QUANTITY
3 &
4
SOLAR GAIN-GLASS (Btu/hr)739 10
26
OUTDOOR AIR
COOLING LOAD CALCULATION SHEET
TABLE REFERENCE TABLE REFERENCES
ITEM AREA OR
FACTOR ESTIMATE FOR 15.00 PM
SKYLIGHT 0 SQ FT X 0 X 0.94
133 PEOPLE X 5 CFM/PERSON 665
WALL 880 SQ FT X 10 X 0.099 10000 SQ FT X 0.06 CFM/SQ FT = 600
WALL 170 SQ FT X 12 X 0.099 1265
WALL SQ FT X 0 X 0.099
WALL SQ FT X 0 X 0.099 0 12 CFM/PERSON 0
ROOF-SUN SQ FT X 0 X 0.67 2 100 CFM/DOOR 200
ROOF-SHADED SQ FT X 0 X 0.67 3500
50 0.5 25
ALL GLASS 120 SQ FT X 24 X 0.5 0
PARTITION SQ FT X 19 X 0.67 1265 CFM OA
CEILING 0 SQ FT X 10 X 0.32
FLOOR 0 SQ FT X 10 X 0.1 0.761
INFILTRATION CFM X 24 X 1.08
48 50 F
PEOPLE 133 PEOPLE X 250
POWER HP OR KW X 63 0.2 72 48 19.2
LIGHT WATT X 3.4 X 1.25
APPLIANCE ETC. X 1 9,000 CFMDA
ADDITIONAL HEAT GAIN X 0 19.2 16.11
9000
9,000 CFMSA
SAFETY FACTOR 10 % 16.11
SUPPLY DUCT + SUPPLY DUCT + FAN 9000 9,000 -
HEAT GAIN % 0 LEAK LOSS % 10 5
OUTDOOR AIR 1265 CFM X 24 F X 0.2
72 0.14 96 72 75
INFILTRATION 300 CFM X 59 GR/LB X 0.68 48 0.2 75 48 53
PEOPLE 133 PEOPLE X 200
STEAM 0 LB/HR X 1050 FROM PSYCH. CHART : 62 51
APPLIANCE ETC. 0 X 0
ADDITIONAL HEAT GAIN 0
VAPOR TRANS. 0 5 30
SAFETY FACTOR 10 % 1. USE DRY-BULB (DB) TEMPERATURE DIFFERENCE FROM TOP OF ESTIMATE FORM.
2. USE MOISTURE CONTENT (GR/LB) DIFFERENCE FROM TOP OF ESTIMATE FORM.
SUPPLY AIR DUCT LEAK LOSS 5 % 3. NORMALLY. USE "CFM VENTILATION" FOR "CFM OUTDOOR AIR" HOWEVER
OUTDOOR AIR 1265 CFM X 59.2 0.2 WHEN INFILTRATION IS TO BE OFFSET, REFER TO PAGE 92 TO DETERMINE
"CFM OUTDOOR AIR."
4. WHEN INFILTRATION IS NOT TO BE OFFSET, AND "CFM VENTILATION IS LESS THAN
"CFM INFILTRATION," THEN THE EXCESS INFILTRAITON IS ACCOUNTED FORHERE.
SENSIBLE : 1265 CFM X 24 0.2
LATENT : 1265 CFM X 59.2 0.2
RETURN DUCT RETURN DUCT
HEAT GAIN % + LEAK GAIN %
HP DEHUM. &
PUMP % + PIPE LOSS % * IF THIS DIFF TEMP IS TOO HIGH, DETERMINE SUPPLY CFM FOR DESIRED DIFFERENCE BY SUPPLY
AIR QUANTITY FORMLA. #
WHEN BYPASSING MIXTURE OF OUTDOOR AND RETURN AIR, USE SUPPLY CFM WHEN BYPASSING
RETURN AIR ONLY, USE DEHUMIFIED CFM.GRAND TOTAL HEAT (Btu/hr) 270,553
7
10 10
0 0
SUB TOTAL 4 (Btu/hr) 25,260
8
EFFECTIVE ROOM LATENT HEAT (Btu/hr) 58,675
EFFECTIVE ROOM TOTAL HEAT (Btu/hr) 245,293
OUTDOOR AIR HEAT 21,050
5
NOTES
SUB TOTAL 3 (Btu/hr) 38,636
7 ROOM LATENT HEAT (Btu/hr) 42,500
8
RESULTING ENT & LVG CONDITIONS AT APPARATUS
EFFECTIVE ROOM SENSIBLE HEAT(Btu/hr) 186,618
6
LATENT HEAT (Btu/hr) 38,636
8
APPARATUS DEWPOINT
3 &
7
SUPPLY AIR QUANTITY
SUB TOTAL 2 (Btu/hr) 142,340
7
ROOM SENSIBLE HEAT (Btu/hr) 156,574
2 &
3 STORAGE 250 SQ FT X 72 X
14270
95200
SUB TOTAL 1 ( Btu/hr)149,540
0.4
6
3 &
7
INTERNAL HEAT (Btu/hr) 146,288
DEHUMIDFIED AIR QUANTITY
5SOLAR & TRANS. GAIN-WALLS & ROOF (Btu/hr)
1,073
CFM VENTILATION =
TRANS. GAIN-EXCEPT WALLS & ROOF (Btu/hr)1,440
CFM INFILTRATION
CFM OUTDOOR AIR THRU APPARATUS
3 &
4
6
OUTDOOR AIR
BF X 0.68
GR/LbX
=
CFMBA
H.P.
GR/LbX
BF X 1.08
GR/Lb X (1 -
BF)X1.08 FX (1 -
%
F ,
(1 -
SQ.FTX1/100X
BF)X0.68
LOCAL TIME SUN TIME
PEAK LOAD LOCAL TIME SUN TIME
VENTI- LATION
INFIL- TRATION
SUNGAIN OR TEMP. DIFF
PEOPLE X
OPEN DOORS DOORS X =
EXHAUST FAN
CRACK FEET X CFM/FT =
ESHF EFFECTIVE SENS. HEAT
=
= EFFECTIVE ROOM SENS. HEAT
EFFECTIVE ROOM TOTAL HEAT =
ADP INDICATED ADP SELECTED ADP
TEMP. RISE
BF) X F - TADP F) = F
DEHUM. EFFECTIVE ROOM SENS. HEAT
1.08 X FTEMP.RISE
F(RM-OUTLET AIR)* ROOM SENS. HEAT 1.08 X CFMDA 1.08 X
OUTLET TEMP. DIFF.
CFM
SUPPLY CFM
BYPASS CFM
ROOM SENS. HEAT
1.08 X FDESIRE DIFF
=
=
=
CFMDA CFM SA - =
EDB
LDB
TRM F + CFMOA
CFM+
X (TOA F -TRM F) = TED
TADP F + BF X (TEDB F -TADP F) = TLD
TEWB F , TLWB
SWINGING REVOLVING DOORS
SDM#1-01 , File : 239174881.xls.ms_office Date : 7/22/2014 ,Time :7:26 AM
B10Cell:
Solar gain-glass canComment:
calculate by two method . First is for "With the Storage Factor",use the description of case 1. Second is for "without the Storage Factor",use the description of case 2.
C11Cell:
Windows area , sq ftComment:
Area of glassed structure that solar haet gain get thru at varies exposure. ( N,E,S,W,NE,SE
,SW,NW) , Chapter 3
E11Cell:
Comment:
Solar heat gain thru glass,Btu/(hr)-(sq ft)
Case 1; With Storage factor
Multiplying of "Peak solar heat gain thru ordinary glass" (at the selected month , location ,exposure) and " Storage load factors of solar heat gain".
( Table 6, Page 29 for Peak solar heat gain thru ordinary glass and Table 7,8,9,10 or 11 ,Page 30-34 for Storage load factors of solar heat gain thruglass) :
Example : The peak solar heat gain for a west exposure
in July at 40 north Latitude = 164 Btu/hr-sqft (Tbl.6) and the
Storage load factor with internal shade = 0.66 for a west exposure at 4 pm ,the weight ~ 100 lb/sq ft. So, the
Solar heat gain thru glass for a west = 164x0.66 =
108.24 Btu/hr
Case 2 ;Without Storage factor
Solar heat gain thru ordinary glass" (at the selected month , location ,exposure) , ( Table15, Page 44-49 )
G11Cell:
Comment:
Over all Factor for solar heat gain
Case 1: With storage factor
Factor for adjustment of the value of solar heat gain as the effect of Shading Device or Glass block . And the correction factor(Table 16,Page 52, Over all Factors for solar heat gain thru glass , Table 17, Page 54, Solar heat gain for glass block)
Example : Factor of solar heat gain thru glassfor the Regular plate Glass = 0.94
Case 2 : Without storage factor
Correction factor on the bottom of Table 15, Page 44-49
J11Cell:
Out door & Room conditionComment:
- Outdoor condition see Table 1-3 Page10-19
- Room Condition see Table 4-5, Page 20-23
C12Cell:
Windows area , sq ftComment:SDM#1-01 , File : 239174881.xls.ms_office Date : 7/22/2014 ,Time :7:26 AM
Area of glassed structure that solar haet gain get thru at varies exposure. ( N,E,S,W,NE,SE
,SW,NW) , Chapter 3
E12Cell:
Comment:
Solar heat gain thru glass,Btu/(hr)-(sq ft)
Case 1; With Storage factor
Multiplying of "Peak solar heat gain thru ordinary glass" (at the selected month , location ,exposure) and " Storage load factors of solar heat gain".
( Table 6, Page 29 for Peak solar heat gain thru ordinary glass and Table 7,8,9,10 or 11 ,Page 30-34 for Storage load factors of solar heat gain thruglass) :
Example : The peak solar heat gain for a west exposure
in July at 40 north Latitude = 164 Btu/hr-sqft (Tbl.6) and the
Storage load factor with internal shade = 0.66 for a west exposure at 4 pm ,the weight ~ 100 lb/sq ft. So, the
Solar heat gain thru glass for a west = 164x0.66 =
108.24 Btu/hr
Case 2 ;Without Storage factor
Solar heat gain thru ordinary glass" (at the selected month , location ,exposure) , ( Table15, Page 44-49 )
G12Cell:
Comment:
Over all Factor for solar heat gain
Case 1: With storage factor
Factor for adjustment of the value of solar heat gain as the effect of Shading Device or Glass block . And the correction factor(Table 16,Page 52, Over all Factors for solar heat gain thru glass , Table 17, Page 54, Solar heat gain for glass block)
Example : Factor of solar heat gain thru glassfor the Regular plate Glass = 0.94
Case 2 : Without storage factor
Correction factor on the bottom of Table 15, Page 44-49
C13Cell:
Windows area , sq ftComment:
Area of glassed structure that solar haet gain get thru at varies exposure. ( N,E,S,W,NE,SE
,SW,NW) , Chapter 3
E13Cell:
Comment:
Solar heat gain thru glass,Btu/(hr)-(sq ft)
Case 1; With Storage factor
Multiplying of "Peak solar heat gain thru ordinary glass" (at the selected month , location ,exposure) and " Storage load factors of solar heat gain".
( Table 6, Page 29 for Peak solar heat gain thru ordinary glass and Table 7,8,9,10 or 11 ,Page 30-34 for Storage load factors of solar heat gain thruglass) :
Example : The peak solar heat gain for a west exposure
in July at 40 north Latitude = 164 Btu/hr-sqft (Tbl.6) and the SDM#1-01 , File : 239174881.xls.ms_office Date : 7/22/2014 ,Time :7:26 AM
Storage load factor with internal shade = 0.66 for a west exposure at 4 pm ,the weight ~ 100 lb/sq ft. So, the
Solar heat gain thru glass for a west = 164x0.66 =
108.24 Btu/hr
Case 2 ;Without Storage factor
Solar heat gain thru ordinary glass" (at the selected month , location ,exposure) , ( Table15, Page 44-49 )
G13Cell:
Comment:
Over all Factor for solar heat gain
Case 1: With storage factor
Factor for adjustment of the value of solar heat gain as the effect of Shading Device or Glass block . And the correction factor(Table 16,Page 52, Over all Factors for solar heat gain thru glass , Table 17, Page 54, Solar heat gain for glass block)
Example : Factor of solar heat gain thru glassfor the Regular plate Glass = 0.94
Case 2 : Without storage factor
Correction factor on the bottom of Table 15, Page 44-49
C14Cell:
Windows area , sq ftComment:
Area of glassed structure that solar haet gain get thru at varies exposure. ( N,E,S,W,NE,SE
,SW,NW) , Chapter 3
E14Cell:
Comment:
Solar heat gain thru glass,Btu/(hr)-(sq ft)
Case 1; With Storage factor
Multiplying of "Peak solar heat gain thru ordinary glass" (at the selected month , location ,exposure) and " Storage load factors of solar heat gain".
( Table 6, Page 29 for Peak solar heat gain thru ordinary glass and Table 7,8,9,10 or 11 ,Page 30-34 for Storage load factors of solar heat gain thruglass) :
Example : The peak solar heat gain for a west exposure
in July at 40 north Latitude = 164 Btu/hr-sqft (Tbl.6) and the
Storage load factor with internal shade = 0.66 for a west exposure at 4 pm ,the weight ~ 100 lb/sq ft. So, the
Solar heat gain thru glass for a west = 164x0.66 =
108.24 Btu/hr
Case 2 ;Without Storage factor
Solar heat gain thru ordinary glass" (at the selected month , location ,exposure) , ( Table15, Page 44-49 )
G14Cell:
Comment:
Over all Factor for solar heat gain
Case 1: With storage factor
Factor for adjustment of the value of solar heat gain as the effect of Shading Device or Glass block . And the correction factor(Table 16,Page 52, Over all Factors for solar heat gain thru glass , Table 17, Page 54, Solar heat gain for glass block)SDM#1-01 , File : 239174881.xls.ms_office Date : 7/22/2014 ,Time :7:26 AM
Example : Factor of solar heat gain thru glassfor the Regular plate Glass = 0.94
Case 2 : Without storage factor
Correction factor on the bottom of Table 15, Page 44-49
C15Cell:
Windows area , sq ftComment:
Area of glassed structure that solar haet gain get thru the vertical exposure.; Chapter 3
E15Cell:
Comment:
Solar heat gain thru glass,Btu/(hr)-(sq ft)
Case 1; With Storage factor
Multiplying of "Peak solar heat gain thru ordinary glass" (at the selected month , location ,exposure) and " Storage load factors of solar heat gain".
( Table 6, Page 29 for Peak solar heat gain thru ordinary glass and Table 7,8,9,10 or 11 ,Page 30-34 for Storage load factors of solar heat gain thruglass) :
Example : The peak solar heat gain for a west exposure
in July at 40 north Latitude = 164 Btu/hr-sqft (Tbl.6) and the
Storage load factor with internal shade = 0.66 for a west exposure at 4 pm ,the weight ~ 100 lb/sq ft. So, the
Solar heat gain thru glass for a west = 164x0.66 =
108.24 Btu/hr
Case 2 ;Without Storage factor
Solar heat gain thru ordinary glass" (at the selected month , location ,exposure) , ( Table15, Page 44-49 )
G15Cell:
Comment:
Over all Factor for solar heat gain
Case 1: With storage factor
Factor for adjustment of the value of solar heat gain as the effect of Shading Device or Glass block . And the correction factor(Table 16,Page 52, Over all Factors for solar heat gain thru glass , Table 17, Page 54, Solar heat gain for glass block)
Example : Factor of solar heat gain thru glassfor the Regular plate Glass = 0.94
Case 2 : Without storage factor
Correction factor on the bottom of Table 15, Page 44-49
K16Cell:
People, PersonComment:
Amount of people in the A/C area.
M16Cell:
Ventilation rate, CFM/PersonComment:
Ventilation rate base on the quantity of person in
conditioning space. (Table45, Page97)SDM#1-01 , File : 239174881.xls.ms_office Date : 7/22/2014 ,Time :7:26 AM
C17Cell:
Wall area , sq ftComment:
Area of wall or roof that conducted heat gain get thru at each exposure. ( ,E,S,W,NE,
SE,SW,NW)
E17Cell:
Equivalent temperature diff. ,Deg FComment:
Operation of Equivalent temperature difference value (wall , roof ,Table 19, ,Page 62 ) and
Correction number (Table20A , Page 63,64)
G17Cell:
Transmission Coefficient, U, (Btu/(hr)(sq ft)(deg F)Comment:
Value of Transmission Coefficient , U Value of each type of wall material (Table 21,22,23,24,25,26 ,Page 66-70 )
M17Cell:
Ventilation rate, CFM/Sq.ftComment:
Ventilation rate base on the size ot the
conditioning space. (Table45, Page97)
C18Cell:
Wall area , sq ftComment:
Area of wall or roof that conducted heat gain get thru at each exposure. ( ,E,S,W,NE,
SE,SW,NW)
E18Cell:
Equivalent temperature diff. ,Deg FComment:
Operation of Equivalent temperature difference value (wall , roof ,Table 19, ,Page 62 ) and
Correction number (Table20A , Page 63,64)
G18Cell:
Transmission Coefficient, U, (Btu/(hr)(sq ft)(deg F)Comment:
Value of Transmission Coefficient , U Value of each type of wall material (Table 21,22,23,24,25,26 ,Page 66-70 )
C19Cell:
Wall area , sq ftComment:
Area of wall or roof that conducted heat gain get thru at each exposure. ( ,E,S,W,NE,
SE,SW,NW)
E19Cell:SDM#1-01 , File : 239174881.xls.ms_office Date : 7/22/2014 ,Time :7:26 AM
Equivalent temperature diff. ,Deg FComment:
Operation of Equivalent temperature difference value (wall , roof ,Table 19, ,Page 62 ) and
Correction number (Table20A , Page 63,64)
G19Cell:
Transmission Coefficient, U, (Btu/(hr)(sq ft)(deg F)Comment:
Value of Transmission Coefficient , U Value of each type of wall material (Table 21,22,23,24,25,26 ,Page 66-70 )
C20Cell:
Wall area , sq ftComment:
Area of wall or roof that conducted heat gain get thru at each exposure. ( ,E,S,W,NE,
SE,SW,NW)
E20Cell:
Equivalent temperature diff. ,Deg FComment:
Operation of Equivalent temperature difference value (wall , roof ,Table 19, ,Page 62 ) and
Correction number (Table20A , Page 63,64)
G20Cell:
Transmission Coefficient, U, (Btu/(hr)(sq ft)(deg F)Comment:
Value of Transmission Coefficient , U Value of each type of wall material (Table 21,22,23,24,25,26 ,Page 66-70 )
L20Cell:
People, PersonComment:
Amount of people in the A/C area.
M20Cell:
Infiltration rateComment:
Infiltration rate base on number of people , See Table41, Page 90
C21Cell:
Wall area , sq ftComment:
Area of wall or roof that conducted heat gain get thru at each exposure. ( ,E,S,W,NE,
SE,SW,NW)
E21Cell:
Equivalent temperature diff. ,Deg FComment:
Operation of Equivalent temperature difference value (wall , roof ,Table 20, ,Page 63 ) and
Correction number (Table20A , Page 63,64)
SDM#1-01 , File : 239174881.xls.ms_office Date : 7/22/2014 ,Time :7:26 AM
G21Cell:
Transmission Coefficient, U, (Btu/(hr)(sq ft)(deg F)Comment:
Value of Transmission Coefficient , U Value of each type of Roof material (Table 27,28,Page 71,72 )
L21Cell:
Door, Comment:
The numbe of open door of the A/C area.
M21Cell:
Infiltration rateComment:
Infiltration rate base on number of opening doors , See Table41, Page 90
C22Cell:
Wall area , sq ftComment:
Area of wall or roof that conducted heat gain get thru at each exposure. ( ,E,S,W,NE,
SE,SW,NW)
E22Cell:
Equivalent temperature diff. ,Deg FComment:
Operation of Equivalent temperature difference value (wall , roof ,Table 20, ,Page 63 ) and
Correction number (Table20A , Page 63,64)
G22Cell:
Transmission Coefficient, U, (Btu/(hr)(sq ft)(deg F)Comment:
Value of Transmission Coefficient , U Value of each type of Roof material (Table 27,28,Page 71,72 )
O22Cell:
Exhaust capacity ,CFMComment:
Exhaust capacity of the system
C24Cell:
Glassed area , sq ftComment:
Heat transmission area thu glass except wall & roof.
E24Cell:
Dry bulb temp. diff , FComment:
Dry bulb temperature difference between outdoor temperature and air conditioning room temperature. (See the data at the top of calculation sheet)
G24Cell:
U Value of glass ,Btu/hr-sq.ft-F Comment:SDM#1-01 , File : 239174881.xls.ms_office Date : 7/22/2014 ,Time :7:26 AM
Transmission Coefficient value of Windows,
skylights, doors& Glass block (Table 33, Page 76)
C25Cell:
Partition area , sq ftComment:
Heat transmission area thu partition except wall & roof.
E25Cell:
Dry bulb temp. diff , FComment:
Dry bulb temperature difference betaween another side of partition and air conditioning room temperature.
G25Cell:
U Value of Partition ,Btu/hr-sq.ft-F Comment:
Transmission Coefficient value of Partitions(Table 25,26, Page 69,70)
C26Cell:
Ceiling area , sq ftComment:
Heat transmission area thu ceilingexcept wall & roof.
E26Cell:
Dry bulb temp. diff , FComment:
Dry bulb temperature difference betaween above ceiling and air conditioning room temperature.
G26Cell:
U Value of Partition ,Btu/hr-sq.ft-F Comment:
Transmission Coefficient value of Ceiling or floor(Table 29,30 Page 73,74)
C27Cell:
Floor area , sq ftComment:
Heat transmission area thu floorexcept wall & roof.
E27Cell:
Dry bulb temp. diff , FComment:
Dry bulb temperature difference betaween under floor temperature and air conditioning room temperature.
G27Cell:
U Value of Partition ,Btu/hr-sq.ft-F Comment:
Transmission Coefficient value of Ceiling or floor(Table 29,30 Page 73,74)
C28Cell:
Infiltration , cfmComment:
Ignore this value in case of ventilation excess Infiltration of air thu window,door,crack or swinging door, (See note 4)SDM#1-01 , File : 239174881.xls.ms_office Date : 7/22/2014 ,Time :7:26 AM
E28Cell:
Dry bulb temp. diff , FComment:
Dry bulb temperature difference between outdoor temperature and air conditioning room temperature. (See the data at the top of calculation sheet)
L30Cell:
Apparatus dewpointComment:
Define from Table 65,Page or Psychrometric chart Fig 33 ,Page116
C31Cell:
People, PersonComment:
Amount of people in the A/C area.
G31Cell:
Heat gain from people, Btu/hrComment:
Sensible heat release from body when they are
doing the activity (Table 48 ,Page 100)
C32Cell:
Power, kwComment:
Grossory of power of operating motor in the A/C area. It can generate heat to be the cooling load.
G32Cell:
Heat gain from electric motor, Btu/hrComment:
Sensible heat release from motor into the A/C
area (Table 53 ,Page 105)
C33Cell:
Power, kwComment:
Grossory of power of lighting in the A/C area. It can generate heat to be the cooling load.
G33Cell:
Heat gain from light, Btu/hrComment:
Sensible heat release from lights into the A/C
area (Table 49 ,Page 101)
D34Cell:
Heat gain from appliance, Btu/hrComment:
Grossory of power of appliance in the A/C area. It can generate sensible heat to be the cooling load.(Table 50,51,52 Page101,103)
SDM#1-01 , File : 239174881.xls.ms_office Date : 7/22/2014 ,Time :7:26 AM
G34Cell:
Correction Factor of ApplianceComment:
Factoc of Appliance for the adjustment of each situation of cooling load.(Bottom of Table 50,51,52)
D35Cell:
Additional heat gain, Btu/hrComment:
Heat gain from pipe or tank located in A/C area.(Table 54-57 Page107-109)
G35Cell:
Correction Factor of Additional heat gainComment:
Factoc of additional heat gain for the adjustment of each situation of cooling load.(Bottom of Table 54-57)
C37Cell:
Floor area of A/C space, sq.ftComment:
Floor area of air conditioning space where is influenced by the temperature swing effect. The temperature swing effect will reduce the sensible heat gain. Because of some heat gain is stored in the building .It doesn't release all of it at the peak
rate.
E37Cell:
Desired temperature swing, FComment:
Recommended inside design condition. The temperature swing value depend on each type of building function. (Table 4 ,Page 20)
G37Cell:
Storage FactorComment:
Factor of storage heat gain depend on the load pattern, weight of material surrounding the space and hour of operation.(Table 13,Page 37)
C40Cell:
Safety FactorComment:
Factor for the uncertainly of survey. The value in the range of 0%-5%.To be added to the room sensible heat. ( Chapter 7,Page112)
C43Cell:
Heat gain to supply duct.%Comment:
Heat gain to supply duct in case of the cooled air duct go through the unconditioned space. Depend on amount of room sensible heat , type of duct insulation , distance and temperature difference between cooled air in duct and the unconditioned space temperature.(Chart 3,Page 110)
E43Cell:
Supply air duct leak loss,%Comment:
Average supply duct leakage from the entire length of low velocity supply duct whether large and small system is around 10% of supply air quantity. Individual workmanship is the greatest variable and duct leakages from 5%-30%.(Chapter 7,Page 110)SDM#1-01 , File : 239174881.xls.ms_office Date : 7/22/2014 ,Time :7:26 AM
G43Cell:
Heat gain from A/C Fan,Draw thru system,%Comment:
The generated heat gain from fan motor which distribute cooled air in the A/C system. It will effect to have more sensible heat gain. And depend on the temperature difference of room to supply air ,Fan total pressure and feature of fan installation.(Table 59,Page 111)
C44Cell:
Outdoor air,CFMComment:
Quantity of outdoor air make up to the A/C system. See note 3 on the bottom of this calculation sheet (Table45,Page97 and Table 43, Page92)
E44Cell:
Dry bulb temp. diff , FComment:
Dry bulb temperature difference betaween outdoor temperature and air conditioning room temperature. (See the data at the top of calculation sheet)
G44Cell:
Bypass FactorComment:
Bypass factor is a function of the physical and operating charecteristics of the conditioning apparatus (Cooling Coil) See typical Bypass Factors (Table 61,Page127)
C47Cell:
Infiltration , cfmComment:
Ignore this value in case of ventilation excess Infiltration of air thu window,door,crack or swinging door, (See note 4)
E47Cell:
Moisture content, Gr/LbComment:
Moisture content difference between outdoor and room condition., (See note 2)
C48Cell:
People, PersonComment:
Amount of people in the A/C area.
E48Cell:
Heat gain from people, Btu/hrComment:
Latent heat release from body when they are
doing the activity (Table 48 ,Page 100)
C49Cell:
Steam , Lb/HrComment:
Amount of steam escape to conditioned space
SDM#1-01 , File : 239174881.xls.ms_office Date : 7/22/2014 ,Time :7:26 AM
D50Cell:
Heat gain from appliance, Btu/hrComment:
Grossory of power of appliance in the A/C area. It can generate latent heat to be the cooling load.(Table 50,51,52 Page101,103)
G50Cell:
Correction Factor of ApplianceComment:
Factoc of Appliance for the adjustment of each situation of cooling load.(Bottom of Table 50,51,52)
D51Cell:
Additional heat gain, Btu/hr-sq.ftComment:
Heat gain from evaporation of free water surface in A/C space.(Table 58 Page109)
C52Cell:
Moisture material area ,sq.ftComment:
Face area of moisture material which can evaporate into A/C space.
E52Cell:
Moisture content, Gr/LbComment:
Moisture content difference between outdoor and room condition., (See note 2)
G52Cell:
Permeance, Btu/(hr)(100sq.ft)(Gr/Lb diff)Comment:
Diffusion of moisture material into the A/C space.(Table 40 Page84-85)
C54Cell:
Safety FactorComment:
Factor for the uncertainly of survey. The value in the range of 0%-5%.To be added to the room latent heat. ( Chapter 7,Page112)
E56Cell:
Supply air duct leak loss,%Comment:
Average supply duct leakage from the entire length of low velocity supply duct whether large and small system is around 10% of supply air quantity. Individual workmanship is the greatest variable and duct leakages from 5%-30%.(Chapter 7,Page 110)
C57Cell:
Outdoor air ,CFMComment:
Amount of outdoor air make up to the A/C system
can be the latent heat gain by the mixed moisture.SDM#1-01 , File : 239174881.xls.ms_office Date : 7/22/2014 ,Time :7:26 AM
See note 3
E57Cell:
Moisture content, Gr/LbComment:
Moisture content difference between outdoor and room condition., (See note 2)
G57Cell:
Bypass FactorComment:
Bypass factor is a function of the physical and operating charecteristics of the conditioning apparatus (Cooling Coil) See typical Bypass Factors (Table 61,Page127)
C61Cell:
Outdoor air ,CFMComment:
Amount of outdoor air make up to the A/C system
can be the sensible heat gain by the temperature difference. See note 3
E61Cell:
Dry bulb temp. diff , FComment:
Dry bulb temperature difference between outdoor temperature and air conditioning room temperature. (See the data at the top of calculation sheet)
G61Cell:
Bypass FactorComment:
Bypass factor is a function of the physical and operating charecteristics of the conditioning apparatus (Cooling Coil) See typical Bypass Factors (Table 61,Page127)
C62Cell:
Outdoor air ,CFMComment:
Amount of outdoor air make up to the A/C system
can be the latent heat gain by the mixed moisture.
See note 3
E62Cell:
Moisture content, Gr/LbComment:
Moisture content difference between outdoor and room condition., (See note 2)
G62Cell:
Bypass FactorComment:
Bypass factor is a function of the physical and operating charecteristics of the conditioning apparatus (Cooling Coil) See typical Bypass Factors (Table 61,Page127)
C63Cell:
Heat gain to return duct.%Comment:SDM#1-01 , File : 239174881.xls.ms_office Date : 7/22/2014 ,Time :7:26 AM
Heat gain to return duct in case of the cooled air duct go through the unconditioned space. Depend on amount of room sensible heat , type of duct insulation , distance and temperature difference between cooled air in duct and the unconditioned space temperature.(Chart 3,Page 110)
G63Cell:
Return air duct leak gain,%Comment:
Average supply duct leakage from the entire length of low velocity supply duct whether large and small system is around 10% of supply air quantity. Individual workmanship is the greatest variable and duct leakages from 5%-30%.(Chapter 7,Page 110)
C65Cell:
Heat gain from dehumidifier pump,%Comment:
With dehumidifier systems, the horsepower required to pump the water adds heat to the system.This heat will be an addition to the grand total heat.(Table60 ,Page 113)
G65Cell:
Heat gain from dehumidifier pipe,%Comment:
- Very little external piping ~1%
- Average external piping ~2%
- extensive external piping ~4%
Chapter 7,Page 113
SDM#1-01 , File : 239174881.xls.ms_office Date : 7/22/2014 ,Time :7:26 AM
Project Name : GWS-Frist Floor - C2 Prepare by : Target Revision : ………………………….....………………
Location : GWS- Target Approved by : Sheet No. : ……………….....…….……....…………
CHAP CHAP
REF REF
HOUR OF OPERATION
GLASS 395 SQ FT X 39 X 0.56 CONDITIONS DB WB % RH DP GR/LB
GLASS 1193 SQ FT X 158 X 0.56 OUTDOOR (OA) 96 78 45 54 118
GLASS 120 SQ FT X 11 X 0.56 ROOM (RM) 72 60 50 51 58.8
GLASS 0 SQ FT X 0 X 0.56 DIFFERENCE 24 18 -5 3 59.2
SKYLIGHT 0 SQ FT X 0 X 0.94
133 PEOPLE X 15 CFM/PERSON 1995
WALL 880 SQ FT X 10 X 0.099 10000 SQ FT X 0.25 CFM/SQ FT = 2500
WALL 170 SQ FT X 12 X 0.099 2500
WALL SQ FT X 0 X 0.099
WALL SQ FT X 0 X 0.099 0 12 CFM/PERSON 0
ROOF-SUN SQ FT X 0 X 0.67 2 100 CFM/DOOR 200
ROOF-SHADED SQ FT X 0 X 0.67 3500
50 0.5 25
ALL GLASS 1708 SQ FT X 24 X 0.5 0
PARTITION SQ FT X 19 X 0.67 2500 CFM OA
CEILING 0 SQ FT X 10 X 0.32
FLOOR 0 SQ FT X 10 X 0.1 0.829
INFILTRATION CFM X 24 X 1.08
48 50 F
PEOPLE 133 PEOPLE X 250
POWER HP OR KW X 63 0.2 72 48 19.2
LIGHT WATT X 3.4 X 1.25
APPLIANCE ETC. X 1 17,437 CFMDA
ADDITIONAL HEAT GAIN X 0 19.2 16.10
17437
17,437 CFMSA
SAFETY FACTOR 10 % 16.10
SUPPLY DUCT + SUPPLY DUCT + FAN 17437 17,437 -
HEAT GAIN % 0 LEAK LOSS % 10 5
OUTDOOR AIR 2500 CFM X 24 F X 0.2
72 0.14 96 72 75
INFILTRATION 300 CFM X 59 GR/LB X 0.68 48 0.2 75 48 53
PEOPLE 133 PEOPLE X 200
STEAM 0 LB/HR X 1050 FROM PSYCH. CHART : 62 51
APPLIANCE ETC. 0 X 0
ADDITIONAL HEAT GAIN 0
VAPOR TRANS. 0 5 30
SAFETY FACTOR 10 % 1. USE DRY-BULB (DB) TEMPERATURE DIFFERENCE FROM TOP OF ESTIMATE FORM.
2. USE MOISTURE CONTENT (GR/LB) DIFFERENCE FROM TOP OF ESTIMATE FORM.
SUPPLY AIR DUCT LEAK LOSS 5 % 3. NORMALLY. USE "CFM VENTILATION" FOR "CFM OUTDOOR AIR" HOWEVER
OUTDOOR AIR 2500 CFM X 59.2 0.2 WHEN INFILTRATION IS TO BE OFFSET, REFER TO PAGE 92 TO DETERMINE
"CFM OUTDOOR AIR."
4. WHEN INFILTRATION IS NOT TO BE OFFSET, AND "CFM VENTILATION IS LESS THAN
"CFM INFILTRATION," THEN THE EXCESS INFILTRAITON IS ACCOUNTED FORHERE.
SENSIBLE : 2500 CFM X 24 0.2
LATENT : 2500 CFM X 59.2 0.2
RETURN DUCT RETURN DUCT
HEAT GAIN % + LEAK GAIN %
HP DEHUM. &
PUMP % + PIPE LOSS % * IF THIS DIFF TEMP IS TOO HIGH, DETERMINE SUPPLY CFM FOR DESIRED DIFFERENCE BY SUPPLY
AIR QUANTITY FORMLA. #
WHEN BYPASSING MIXTURE OF OUTDOOR AND RETURN AIR, USE SUPPLY CFM WHEN BYPASSING
RETURN AIR ONLY, USE DEHUMIFIED CFM.GRAND TOTAL HEAT (Btu/hr) 485,955
7
10 10
0 0
SUB TOTAL 4 (Btu/hr) 49,920
8
EFFECTIVE ROOM LATENT HEAT (Btu/hr) 74,468
EFFECTIVE ROOM TOTAL HEAT (Btu/hr) 436,035
OUTDOOR AIR HEAT 41,600
5
NOTES
SUB TOTAL 3 (Btu/hr) 38,636
7 ROOM LATENT HEAT (Btu/hr) 42,500
8
RESULTING ENT & LVG CONDITIONS AT APPARATUS
EFFECTIVE ROOM SENSIBLE HEAT(Btu/hr) 361,568
6
LATENT HEAT (Btu/hr) 38,636
8
APPARATUS DEWPOINT
3 &
7
SUPPLY AIR QUANTITY
SUB TOTAL 2 (Btu/hr) 275,579
7
ROOM SENSIBLE HEAT (Btu/hr) 303,137
2 &
3 STORAGE 250 SQ FT X 72 X
14270
95200
SUB TOTAL 1 ( Btu/hr)282,779
0.4
6
3 &
7
INTERNAL HEAT (Btu/hr) 146,288
DEHUMIDFIED AIR QUANTITY
5SOLAR & TRANS. GAIN-WALLS & ROOF (Btu/hr)
1,073
CFM VENTILATION =
TRANS. GAIN-EXCEPT WALLS & ROOF (Btu/hr)20,496
CFM INFILTRATION
CFM OUTDOOR AIR THRU APPARATUS
16.00 P.M QUANTITY
3 &
4
SOLAR GAIN-GLASS (Btu/hr)114,923 10
26
OUTDOOR AIR
COOLING LOAD CALCULATION SHEET
TABLE REFERENCE TABLE REFERENCES
ITEM AREA OR
FACTOR ESTIMATE FOR 15.00 PM
BF X 0.68
GR/LbX
=
CFMBA
H.P.
GR/LbX
BF X 1.08
GR/Lb X (1 -
BF)X1.08 FX (1 -
%
F ,
(1 -
SQ.FTX1/100X
BF)X0.68
LOCAL TIME SUN TIME
PEAK LOAD LOCAL TIME SUN TIME
VENTI- LATION
INFIL- TRATION
SUNGAIN OR TEMP. DIFF
PEOPLE X
OPEN DOORS DOORS X =
EXHAUST FAN
CRACK FEET X CFM/FT =
ESHF EFFECTIVE SENS. HEAT
=
= EFFECTIVE ROOM SENS. HEAT
EFFECTIVE ROOM TOTAL HEAT =
ADP INDICATED ADP SELECTED ADP
TEMP. RISE
BF) X F - TADP F) = F
DEHUM. EFFECTIVE ROOM SENS. HEAT
1.08 X FTEMP.RISE
F(RM-OUTLET AIR)* ROOM SENS. HEAT 1.08 X CFMDA 1.08 X
OUTLET TEMP. DIFF.
CFM
SUPPLY CFM
BYPASS CFM
ROOM SENS. HEAT
1.08 X FDESIRE DIFF
=
=
=
CFMDA CFM SA - =
EDB
LDB
TRM F + CFMOA
CFM+
X (TOA F -TRM F) = TED
TADP F + BF X (TEDB F -TADP F) = TLD
TEWB F , TLWB
SWINGING REVOLVING DOORS
SDM#1-01 , File : 239174881.xls.ms_office Date : 7/22/2014 ,Time :7:26 AM
B10Cell:
Solar gain-glass canComment:
calculate by two method . First is for "With the Storage Factor",use the description of case 1. Second is for "without the Storage Factor",use the description of case 2.
C11Cell:
Windows area , sq ftComment:
Area of glassed structure that solar haet gain get thru at varies exposure. ( N,E,S,W,NE,SE
,SW,NW) , Chapter 3
E11Cell:
Comment:
Solar heat gain thru glass,Btu/(hr)-(sq ft)
Case 1; With Storage factor
Multiplying of "Peak solar heat gain thru ordinary glass" (at the selected month , location ,exposure) and " Storage load factors of solar heat gain".
( Table 6, Page 29 for Peak solar heat gain thru ordinary glass and Table 7,8,9,10 or 11 ,Page 30-34 for Storage load factors of solar heat gain thruglass) :
Example : The peak solar heat gain for a west exposure
in July at 40 north Latitude = 164 Btu/hr-sqft (Tbl.6) and the
Storage load factor with internal shade = 0.66 for a west exposure at 4 pm ,the weight ~ 100 lb/sq ft. So, the
Solar heat gain thru glass for a west = 164x0.66 =
108.24 Btu/hr
Case 2 ;Without Storage factor
Solar heat gain thru ordinary glass" (at the selected month , location ,exposure) , ( Table15, Page 44-49 )
G11Cell:
Comment:
Over all Factor for solar heat gain
Case 1: With storage factor
Factor for adjustment of the value of solar heat gain as the effect of Shading Device or Glass block . And the correction factor(Table 16,Page 52, Over all Factors for solar heat gain thru glass , Table 17, Page 54, Solar heat gain for glass block)
Example : Factor of solar heat gain thru glassfor the Regular plate Glass = 0.94
Case 2 : Without storage factor
Correction factor on the bottom of Table 15, Page 44-49
J11Cell:
Out door & Room conditionComment:
- Outdoor condition see Table 1-3 Page10-19
- Room Condition see Table 4-5, Page 20-23
C12Cell:
Windows area , sq ftComment:SDM#1-01 , File : 239174881.xls.ms_office Date : 7/22/2014 ,Time :7:26 AM
Area of glassed structure that solar haet gain get thru at varies exposure. ( N,E,S,W,NE,SE
,SW,NW) , Chapter 3
E12Cell:
Comment:
Solar heat gain thru glass,Btu/(hr)-(sq ft)
Case 1; With Storage factor
Multiplying of "Peak solar heat gain thru ordinary glass" (at the selected month , location ,exposure) and " Storage load factors of solar heat gain".
( Table 6, Page 29 for Peak solar heat gain thru ordinary glass and Table 7,8,9,10 or 11 ,Page 30-34 for Storage load factors of solar heat gain thruglass) :
Example : The peak solar heat gain for a west exposure
in July at 40 north Latitude = 164 Btu/hr-sqft (Tbl.6) and the
Storage load factor with internal shade = 0.66 for a west exposure at 4 pm ,the weight ~ 100 lb/sq ft. So, the
Solar heat gain thru glass for a west = 164x0.66 =
108.24 Btu/hr
Case 2 ;Without Storage factor
Solar heat gain thru ordinary glass" (at the selected month , location ,exposure) , ( Table15, Page 44-49 )
G12Cell:
Comment:
Over all Factor for solar heat gain
Case 1: With storage factor
Factor for adjustment of the value of solar heat gain as the effect of Shading Device or Glass block . And the correction factor(Table 16,Page 52, Over all Factors for solar heat gain thru glass , Table 17, Page 54, Solar heat gain for glass block)
Example : Factor of solar heat gain thru glassfor the Regular plate Glass = 0.94
Case 2 : Without storage factor
Correction factor on the bottom of Table 15, Page 44-49
C13Cell:
Windows area , sq ftComment:
Area of glassed structure that solar haet gain get thru at varies exposure. ( N,E,S,W,NE,SE
,SW,NW) , Chapter 3
E13Cell:
Comment:
Solar heat gain thru glass,Btu/(hr)-(sq ft)
Case 1; With Storage factor
Multiplying of "Peak solar heat gain thru ordinary glass" (at the selected month , location ,exposure) and " Storage load factors of solar heat gain".
( Table 6, Page 29 for Peak solar heat gain thru ordinary glass and Table 7,8,9,10 or 11 ,Page 30-34 for Storage load factors of solar heat gain thruglass) :
Example : The peak solar heat gain for a west exposure
in July at 40 north Latitude = 164 Btu/hr-sqft (Tbl.6) and the SDM#1-01 , File : 239174881.xls.ms_office Date : 7/22/2014 ,Time :7:26 AM
Storage load factor with internal shade = 0.66 for a west exposure at 4 pm ,the weight ~ 100 lb/sq ft. So, the
Solar heat gain thru glass for a west = 164x0.66 =
108.24 Btu/hr
Case 2 ;Without Storage factor
Solar heat gain thru ordinary glass" (at the selected month , location ,exposure) , ( Table15, Page 44-49 )
G13Cell:
Comment:
Over all Factor for solar heat gain
Case 1: With storage factor
Factor for adjustment of the value of solar heat gain as the effect of Shading Device or Glass block . And the correction factor(Table 16,Page 52, Over all Factors for solar heat gain thru glass , Table 17, Page 54, Solar heat gain for glass block)
Example : Factor of solar heat gain thru glassfor the Regular plate Glass = 0.94
Case 2 : Without storage factor
Correction factor on the bottom of Table 15, Page 44-49
C14Cell:
Windows area , sq ftComment:
Area of glassed structure that solar haet gain get thru at varies exposure. ( N,E,S,W,NE,SE
,SW,NW) , Chapter 3
E14Cell:
Comment:
Solar heat gain thru glass,Btu/(hr)-(sq ft)
Case 1; With Storage factor
Multiplying of "Peak solar heat gain thru ordinary glass" (at the selected month , location ,exposure) and " Storage load factors of solar heat gain".
( Table 6, Page 29 for Peak solar heat gain thru ordinary glass and Table 7,8,9,10 or 11 ,Page 30-34 for Storage load factors of solar heat gain thruglass) :
Example : The peak solar heat gain for a west exposure
in July at 40 north Latitude = 164 Btu/hr-sqft (Tbl.6) and the
Storage load factor with internal shade = 0.66 for a west exposure at 4 pm ,the weight ~ 100 lb/sq ft. So, the
Solar heat gain thru glass for a west = 164x0.66 =
108.24 Btu/hr
Case 2 ;Without Storage factor
Solar heat gain thru ordinary glass" (at the selected month , location ,exposure) , ( Table15, Page 44-49 )
G14Cell:
Comment:
Over all Factor for solar heat gain
Case 1: With storage factor
Factor for adjustment of the value of solar heat gain as the effect of Shading Device or Glass block . And the correction factor(Table 16,Page 52, Over all Factors for solar heat gain thru glass , Table 17, Page 54, Solar heat gain for glass block)SDM#1-01 , File : 239174881.xls.ms_office Date : 7/22/2014 ,Time :7:26 AM
Example : Factor of solar heat gain thru glassfor the Regular plate Glass = 0.94
Case 2 : Without storage factor
Correction factor on the bottom of Table 15, Page 44-49
C15Cell:
Windows area , sq ftComment:
Area of glassed structure that solar haet gain get thru the vertical exposure.; Chapter 3
E15Cell:
Comment:
Solar heat gain thru glass,Btu/(hr)-(sq ft)
Case 1; With Storage factor
Multiplying of "Peak solar heat gain thru ordinary glass" (at the selected month , location ,exposure) and " Storage load factors of solar heat gain".
( Table 6, Page 29 for Peak solar heat gain thru ordinary glass and Table 7,8,9,10 or 11 ,Page 30-34 for Storage load factors of solar heat gain thruglass) :
Example : The peak solar heat gain for a west exposure
in July at 40 north Latitude = 164 Btu/hr-sqft (Tbl.6) and the
Storage load factor with internal shade = 0.66 for a west exposure at 4 pm ,the weight ~ 100 lb/sq ft. So, the
Solar heat gain thru glass for a west = 164x0.66 =
108.24 Btu/hr
Case 2 ;Without Storage factor
Solar heat gain thru ordinary glass" (at the selected month , location ,exposure) , ( Table15, Page 44-49 )
G15Cell:
Comment:
Over all Factor for solar heat gain
Case 1: With storage factor
Factor for adjustment of the value of solar heat gain as the effect of Shading Device or Glass block . And the correction factor(Table 16,Page 52, Over all Factors for solar heat gain thru glass , Table 17, Page 54, Solar heat gain for glass block)
Example : Factor of solar heat gain thru glassfor the Regular plate Glass = 0.94
Case 2 : Without storage factor
Correction factor on the bottom of Table 15, Page 44-49
K16Cell:
People, PersonComment:
Amount of people in the A/C area.
M16Cell:
Ventilation rate, CFM/PersonComment:
Ventilation rate base on the quantity of person in
conditioning space. (Table45, Page97)SDM#1-01 , File : 239174881.xls.ms_office Date : 7/22/2014 ,Time :7:26 AM
C17Cell:
Wall area , sq ftComment:
Area of wall or roof that conducted heat gain get thru at each exposure. ( ,E,S,W,NE,
SE,SW,NW)
E17Cell:
Equivalent temperature diff. ,Deg FComment:
Operation of Equivalent temperature difference value (wall , roof ,Table 19, ,Page 62 ) and
Correction number (Table20A , Page 63,64)
G17Cell:
Transmission Coefficient, U, (Btu/(hr)(sq ft)(deg F)Comment:
Value of Transmission Coefficient , U Value of each type of wall material (Table 21,22,23,24,25,26 ,Page 66-70 )
M17Cell:
Ventilation rate, CFM/Sq.ftComment:
Ventilation rate base on the size ot the
conditioning space. (Table45, Page97)
C18Cell:
Wall area , sq ftComment:
Area of wall or roof that conducted heat gain get thru at each exposure. ( ,E,S,W,NE,
SE,SW,NW)
E18Cell:
Equivalent temperature diff. ,Deg FComment:
Operation of Equivalent temperature difference value (wall , roof ,Table 19, ,Page 62 ) and
Correction number (Table20A , Page 63,64)
G18Cell:
Transmission Coefficient, U, (Btu/(hr)(sq ft)(deg F)Comment:
Value of Transmission Coefficient , U Value of each type of wall material (Table 21,22,23,24,25,26 ,Page 66-70 )
C19Cell:
Wall area , sq ftComment:
Area of wall or roof that conducted heat gain get thru at each exposure. ( ,E,S,W,NE,
SE,SW,NW)
E19Cell:SDM#1-01 , File : 239174881.xls.ms_office Date : 7/22/2014 ,Time :7:26 AM
Equivalent temperature diff. ,Deg FComment:
Operation of Equivalent temperature difference value (wall , roof ,Table 19, ,Page 62 ) and
Correction number (Table20A , Page 63,64)
G19Cell:
Transmission Coefficient, U, (Btu/(hr)(sq ft)(deg F)Comment:
Value of Transmission Coefficient , U Value of each type of wall material (Table 21,22,23,24,25,26 ,Page 66-70 )
C20Cell:
Wall area , sq ftComment:
Area of wall or roof that conducted heat gain get thru at each exposure. ( ,E,S,W,NE,
SE,SW,NW)
E20Cell:
Equivalent temperature diff. ,Deg FComment:
Operation of Equivalent temperature difference value (wall , roof ,Table 19, ,Page 62 ) and
Correction number (Table20A , Page 63,64)
G20Cell:
Transmission Coefficient, U, (Btu/(hr)(sq ft)(deg F)Comment:
Value of Transmission Coefficient , U Value of each type of wall material (Table 21,22,23,24,25,26 ,Page 66-70 )
L20Cell:
People, PersonComment:
Amount of people in the A/C area.
M20Cell:
Infiltration rateComment:
Infiltration rate base on number of people , See Table41, Page 90
C21Cell:
Wall area , sq ftComment:
Area of wall or roof that conducted heat gain get thru at each exposure. ( ,E,S,W,NE,
SE,SW,NW)
E21Cell:
Equivalent temperature diff. ,Deg FComment:
Operation of Equivalent temperature difference value (wall , roof ,Table 20, ,Page 63 ) and
Correction number (Table20A , Page 63,64)
SDM#1-01 , File : 239174881.xls.ms_office Date : 7/22/2014 ,Time :7:26 AM
G21Cell:
Transmission Coefficient, U, (Btu/(hr)(sq ft)(deg F)Comment:
Value of Transmission Coefficient , U Value of each type of Roof material (Table 27,28,Page 71,72 )
L21Cell:
Door, Comment:
The numbe of open door of the A/C area.
M21Cell:
Infiltration rateComment:
Infiltration rate base on number of opening doors , See Table41, Page 90
C22Cell:
Wall area , sq ftComment:
Area of wall or roof that conducted heat gain get thru at each exposure. ( ,E,S,W,NE,
SE,SW,NW)
E22Cell:
Equivalent temperature diff. ,Deg FComment:
Operation of Equivalent temperature difference value (wall , roof ,Table 20, ,Page 63 ) and
Correction number (Table20A , Page 63,64)
G22Cell:
Transmission Coefficient, U, (Btu/(hr)(sq ft)(deg F)Comment:
Value of Transmission Coefficient , U Value of each type of Roof material (Table 27,28,Page 71,72 )
O22Cell:
Exhaust capacity ,CFMComment:
Exhaust capacity of the system
C24Cell:
Glassed area , sq ftComment:
Heat transmission area thu glass except wall & roof.
E24Cell:
Dry bulb temp. diff , FComment:
Dry bulb temperature difference between outdoor temperature and air conditioning room temperature. (See the data at the top of calculation sheet)
G24Cell:
U Value of glass ,Btu/hr-sq.ft-F Comment:SDM#1-01 , File : 239174881.xls.ms_office Date : 7/22/2014 ,Time :7:26 AM
Transmission Coefficient value of Windows,
skylights, doors& Glass block (Table 33, Page 76)
C25Cell:
Partition area , sq ftComment:
Heat transmission area thu partition except wall & roof.
E25Cell:
Dry bulb temp. diff , FComment:
Dry bulb temperature difference betaween another side of partition and air conditioning room temperature.
G25Cell:
U Value of Partition ,Btu/hr-sq.ft-F Comment:
Transmission Coefficient value of Partitions(Table 25,26, Page 69,70)
C26Cell:
Ceiling area , sq ftComment:
Heat transmission area thu ceilingexcept wall & roof.
E26Cell:
Dry bulb temp. diff , FComment:
Dry bulb temperature difference betaween above ceiling and air conditioning room temperature.
G26Cell:
U Value of Partition ,Btu/hr-sq.ft-F Comment:
Transmission Coefficient value of Ceiling or floor(Table 29,30 Page 73,74)
C27Cell:
Floor area , sq ftComment:
Heat transmission area thu floorexcept wall & roof.
E27Cell:
Dry bulb temp. diff , FComment:
Dry bulb temperature difference betaween under floor temperature and air conditioning room temperature.
G27Cell:
U Value of Partition ,Btu/hr-sq.ft-F Comment:
Transmission Coefficient value of Ceiling or floor(Table 29,30 Page 73,74)
C28Cell:
Infiltration , cfmComment:
Ignore this value in case of ventilation excess Infiltration of air thu window,door,crack or swinging door, (See note 4)SDM#1-01 , File : 239174881.xls.ms_office Date : 7/22/2014 ,Time :7:26 AM
E28Cell:
Dry bulb temp. diff , FComment:
Dry bulb temperature difference between outdoor temperature and air conditioning room temperature. (See the data at the top of calculation sheet)
L30Cell:
Apparatus dewpointComment:
Define from Table 65,Page or Psychrometric chart Fig 33 ,Page116
C31Cell:
People, PersonComment:
Amount of people in the A/C area.
G31Cell:
Heat gain from people, Btu/hrComment:
Sensible heat release from body when they are
doing the activity (Table 48 ,Page 100)
C32Cell:
Power, kwComment:
Grossory of power of operating motor in the A/C area. It can generate heat to be the cooling load.
G32Cell:
Heat gain from electric motor, Btu/hrComment:
Sensible heat release from motor into the A/C
area (Table 53 ,Page 105)
C33Cell:
Power, kwComment:
Grossory of power of lighting in the A/C area. It can generate heat to be the cooling load.
G33Cell:
Heat gain from light, Btu/hrComment:
Sensible heat release from lights into the A/C
area (Table 49 ,Page 101)
D34Cell:
Heat gain from appliance, Btu/hrComment:
Grossory of power of appliance in the A/C area. It can generate sensible heat to be the cooling load.(Table 50,51,52 Page101,103)
SDM#1-01 , File : 239174881.xls.ms_office Date : 7/22/2014 ,Time :7:26 AM
G34Cell:
Correction Factor of ApplianceComment:
Factoc of Appliance for the adjustment of each situation of cooling load.(Bottom of Table 50,51,52)
D35Cell:
Additional heat gain, Btu/hrComment:
Heat gain from pipe or tank located in A/C area.(Table 54-57 Page107-109)
G35Cell:
Correction Factor of Additional heat gainComment:
Factoc of additional heat gain for the adjustment of each situation of cooling load.(Bottom of Table 54-57)
C37Cell:
Floor area of A/C space, sq.ftComment:
Floor area of air conditioning space where is influenced by the temperature swing effect. The temperature swing effect will reduce the sensible heat gain. Because of some heat gain is stored in the building .It doesn't release all of it at the peak
rate.
E37Cell:
Desired temperature swing, FComment:
Recommended inside design condition. The temperature swing value depend on each type of building function. (Table 4 ,Page 20)
G37Cell:
Storage FactorComment:
Factor of storage heat gain depend on the load pattern, weight of material surrounding the space and hour of operation.(Table 13,Page 37)
C40Cell:
Safety FactorComment:
Factor for the uncertainly of survey. The value in the range of 0%-5%.To be added to the room sensible heat. ( Chapter 7,Page112)
C43Cell:
Heat gain to supply duct.%Comment:
Heat gain to supply duct in case of the cooled air duct go through the unconditioned space. Depend on amount of room sensible heat , type of duct insulation , distance and temperature difference between cooled air in duct and the unconditioned space temperature.(Chart 3,Page 110)
E43Cell:
Supply air duct leak loss,%Comment:
Average supply duct leakage from the entire length of low velocity supply duct whether large and small system is around 10% of supply air quantity. Individual workmanship is the greatest variable and duct leakages from 5%-30%.(Chapter 7,Page 110)SDM#1-01 , File : 239174881.xls.ms_office Date : 7/22/2014 ,Time :7:26 AM
G43Cell:
Heat gain from A/C Fan,Draw thru system,%Comment:
The generated heat gain from fan motor which distribute cooled air in the A/C system. It will effect to have more sensible heat gain. And depend on the temperature difference of room to supply air ,Fan total pressure and feature of fan installation.(Table 59,Page 111)
C44Cell:
Outdoor air,CFMComment:
Quantity of outdoor air make up to the A/C system. See note 3 on the bottom of this calculation sheet (Table45,Page97 and Table 43, Page92)
E44Cell:
Dry bulb temp. diff , FComment:
Dry bulb temperature difference betaween outdoor temperature and air conditioning room temperature. (See the data at the top of calculation sheet)
G44Cell:
Bypass FactorComment:
Bypass factor is a function of the physical and operating charecteristics of the conditioning apparatus (Cooling Coil) See typical Bypass Factors (Table 61,Page127)
C47Cell:
Infiltration , cfmComment:
Ignore this value in case of ventilation excess Infiltration of air thu window,door,crack or swinging door, (See note 4)
E47Cell:
Moisture content, Gr/LbComment:
Moisture content difference between outdoor and room condition., (See note 2)
C48Cell:
People, PersonComment:
Amount of people in the A/C area.
E48Cell:
Heat gain from people, Btu/hrComment:
Latent heat release from body when they are
doing the activity (Table 48 ,Page 100)
C49Cell:
Steam , Lb/HrComment:
Amount of steam escape to conditioned space
SDM#1-01 , File : 239174881.xls.ms_office Date : 7/22/2014 ,Time :7:26 AM
D50Cell:
Heat gain from appliance, Btu/hrComment:
Grossory of power of appliance in the A/C area. It can generate latent heat to be the cooling load.(Table 50,51,52 Page101,103)
G50Cell:
Correction Factor of ApplianceComment:
Factoc of Appliance for the adjustment of each situation of cooling load.(Bottom of Table 50,51,52)
D51Cell:
Additional heat gain, Btu/hr-sq.ftComment:
Heat gain from evaporation of free water surface in A/C space.(Table 58 Page109)
C52Cell:
Moisture material area ,sq.ftComment:
Face area of moisture material which can evaporate into A/C space.
E52Cell:
Moisture content, Gr/LbComment:
Moisture content difference between outdoor and room condition., (See note 2)
G52Cell:
Permeance, Btu/(hr)(100sq.ft)(Gr/Lb diff)Comment:
Diffusion of moisture material into the A/C space.(Table 40 Page84-85)
C54Cell:
Safety FactorComment:
Factor for the uncertainly of survey. The value in the range of 0%-5%.To be added to the room latent heat. ( Chapter 7,Page112)
E56Cell:
Supply air duct leak loss,%Comment:
Average supply duct leakage from the entire length of low velocity supply duct whether large and small system is around 10% of supply air quantity. Individual workmanship is the greatest variable and duct leakages from 5%-30%.(Chapter 7,Page 110)
C57Cell:
Outdoor air ,CFMComment:
Amount of outdoor air make up to the A/C system
can be the latent heat gain by the mixed moisture.SDM#1-01 , File : 239174881.xls.ms_office Date : 7/22/2014 ,Time :7:26 AM
See note 3
E57Cell:
Moisture content, Gr/LbComment:
Moisture content difference between outdoor and room condition., (See note 2)
G57Cell:
Bypass FactorComment:
Bypass factor is a function of the physical and operating charecteristics of the conditioning apparatus (Cooling Coil) See typical Bypass Factors (Table 61,Page127)
C61Cell:
Outdoor air ,CFMComment:
Amount of outdoor air make up to the A/C system
can be the sensible heat gain by the temperature difference. See note 3
E61Cell:
Dry bulb temp. diff , FComment:
Dry bulb temperature difference between outdoor temperature and air conditioning room temperature. (See the data at the top of calculation sheet)
G61Cell:
Bypass FactorComment:
Bypass factor is a function of the physical and operating charecteristics of the conditioning apparatus (Cooling Coil) See typical Bypass Factors (Table 61,Page127)
C62Cell:
Outdoor air ,CFMComment:
Amount of outdoor air make up to the A/C system
can be the latent heat gain by the mixed moisture.
See note 3
E62Cell:
Moisture content, Gr/LbComment:
Moisture content difference between outdoor and room condition., (See note 2)
G62Cell:
Bypass FactorComment:
Bypass factor is a function of the physical and operating charecteristics of the conditioning apparatus (Cooling Coil) See typical Bypass Factors (Table 61,Page127)
C63Cell:
Heat gain to return duct.%Comment:SDM#1-01 , File : 239174881.xls.ms_office Date : 7/22/2014 ,Time :7:26 AM
Heat gain to return duct in case of the cooled air duct go through the unconditioned space. Depend on amount of room sensible heat , type of duct insulation , distance and temperature difference between cooled air in duct and the unconditioned space temperature.(Chart 3,Page 110)
G63Cell:
Return air duct leak gain,%Comment:
Average supply duct leakage from the entire length of low velocity supply duct whether large and small system is around 10% of supply air quantity. Individual workmanship is the greatest variable and duct leakages from 5%-30%.(Chapter 7,Page 110)
C65Cell:
Heat gain from dehumidifier pump,%Comment:
With dehumidifier systems, the horsepower required to pump the water adds heat to the system.This heat will be an addition to the grand total heat.(Table60 ,Page 113)
G65Cell:
Heat gain from dehumidifier pipe,%Comment:
- Very little external piping ~1%
- Average external piping ~2%
- extensive external piping ~4%
Chapter 7,Page 113
SDM#1-01 , File : 239174881.xls.ms_office Date : 7/22/2014 ,Time :7:26 AM
Project Name : GWS-Frist Floor - C2 Prepare by : RSP Calculation Revision : ………………………….....………………
Location : GWS- Target Approved by : Sheet No. : ……………….....…….……....…………
CHAP CHAP
REF REF
HOUR OF OPERATION
GLASS 395 SQ FT X 39 X 0.56 CONDITIONS DB WB % RH DP GR/LB
GLASS 1193 SQ FT X 158 X 0.56 OUTDOOR (OA) 96 78 45 54 118
GLASS 120 SQ FT X 11 X 0.56 ROOM (RM) 72 60 50 51 58.8
GLASS 0 SQ FT X 0 X 0.56 DIFFERENCE 24 18 -5 3 59.2
SKYLIGHT 0 SQ FT X 0 X 0.94
133 PEOPLE X 11 CFM/PERSON 1463
WALL 880 SQ FT X 10 X 0.099 10000 SQ FT X 0.06 CFM/SQ FT = 600
WALL 170 SQ FT X 12 X 0.099 1463
WALL SQ FT X 0 X 0.099
WALL SQ FT X 0 X 0.099 0 12 CFM/PERSON 0
ROOF-SUN SQ FT X 0 X 0.67 2 100 CFM/DOOR 200
ROOF-SHADED SQ FT X 0 X 0.67 3500
50 0.5 25
ALL GLASS 1708 SQ FT X 24 X 0.5 0
PARTITION SQ FT X 19 X 0.67 1463 CFM OA
CEILING 0 SQ FT X 10 X 0.32
FLOOR 0 SQ FT X 10 X 0.1 0.867
INFILTRATION CFM X 24 X 1.08
48 50 F
PEOPLE 133 PEOPLE X 250
POWER HP OR KW X 63 0.2 72 48 19.2
LIGHT WATT X 3.4 X 1.25
APPLIANCE ETC. X 1 15,831 CFMDA
ADDITIONAL HEAT GAIN X 0 19.2 16.54
15831
15,831 CFMSA
SAFETY FACTOR 10 % 16.54
SUPPLY DUCT + SUPPLY DUCT + FAN 15831 15,831 -
HEAT GAIN % 0 LEAK LOSS % 10 5
OUTDOOR AIR 600 CFM X 24 F X 0.2
72 0.09 96 72 74
INFILTRATION 300 CFM X 59 GR/LB X 0.68 48 0.2 74 48 53
PEOPLE 133 PEOPLE X 200
STEAM 0 LB/HR X 1050 FROM PSYCH. CHART : 62 51
APPLIANCE ETC. 0 X 0
ADDITIONAL HEAT GAIN 0
VAPOR TRANS. 0 5 30
SAFETY FACTOR 10 % 1. USE DRY-BULB (DB) TEMPERATURE DIFFERENCE FROM TOP OF ESTIMATE FORM.
2. USE MOISTURE CONTENT (GR/LB) DIFFERENCE FROM TOP OF ESTIMATE FORM.
SUPPLY AIR DUCT LEAK LOSS 5 % 3. NORMALLY. USE "CFM VENTILATION" FOR "CFM OUTDOOR AIR" HOWEVER
OUTDOOR AIR 600 CFM X 59.2 0.2 WHEN INFILTRATION IS TO BE OFFSET, REFER TO PAGE 92 TO DETERMINE
"CFM OUTDOOR AIR."
4. WHEN INFILTRATION IS NOT TO BE OFFSET, AND "CFM VENTILATION IS LESS THAN
"CFM INFILTRATION," THEN THE EXCESS INFILTRAITON IS ACCOUNTED FORHERE.
SENSIBLE : 600 CFM X 24 0.2
LATENT : 600 CFM X 59.2 0.2
RETURN DUCT RETURN DUCT
HEAT GAIN % + LEAK GAIN %
HP DEHUM. &
PUMP % + PIPE LOSS % * IF THIS DIFF TEMP IS TOO HIGH, DETERMINE SUPPLY CFM FOR DESIRED DIFFERENCE BY SUPPLY
AIR QUANTITY FORMLA. #
WHEN BYPASSING MIXTURE OF OUTDOOR AND RETURN AIR, USE SUPPLY CFM WHEN BYPASSING
RETURN AIR ONLY, USE DEHUMIFIED CFM.
264,244
378,443
SUB TOTAL 4 (Btu/hr) 11,981
10
0
10
0
282,748
257,044
GRAND TOTAL HEAT (Btu/hr) 390,424
78
7
ROOM LATENT HEAT (Btu/hr) 42,500
EFFECTIVE ROOM LATENT HEAT (Btu/hr) 50,172
EFFECTIVE ROOM TOTAL HEAT (Btu/hr)
5
38,636
3 &
78
6
EFFECTIVE ROOM SENSIBLE HEAT(Btu/hr) 328,271
SUB TOTAL 3 (Btu/hr)
0.4X
7
STORAGE SQ FT X250 72
SUB TOTAL 2 (Btu/hr)
3 &
4
26
5
8
63 &
7
75752
2 &
3
SUPPLY AIR QUANTITY
CFM INFILTRATION
CFM OUTDOOR AIR THRU APPARATUS
APPARATUS DEWPOINT
TABLE REFERENCE
ITEM 16.00 P.M
TABLE REFERENCES
FACTOR AREA OR
QUANTITY
NOTES
RESULTING ENT & LVG CONDITIONS AT APPARATUS
DEHUMIDFIED AIR QUANTITY
127,752
15000
COOLING LOAD CALCULATION SHEET
SOLAR GAIN-GLASS (Btu/hr)
TRANS. GAIN-EXCEPT WALLS & ROOF (Btu/hr)20,496
10
CFM VENTILATION =
114,923
1,073 SOLAR & TRANS. GAIN-WALLS & ROOF (Btu/hr)
OUTDOOR AIR HEAT 9,984
15.00 PM
38,636 LATENT HEAT (Btu/hr)
ROOM SENSIBLE HEAT (Btu/hr)
INTERNAL HEAT (Btu/hr)
ESTIMATE FOR
OUTDOOR AIR
SUB TOTAL 1 ( Btu/hr)
BF X 0.68
GR/LbX
=
CFMBA
H.P.
GR/LbX
BF X 1.08
GR/Lb X (1 -
BF)X1.08 FX (1 -
%
F ,
(1 -
SQ.FTX1/100X
BF)X0.68
LOCAL TIME SUN TIME
PEAK LOAD LOCAL TIME SUN TIME
VENTI- LATION
INFIL- TRATION
SUNGAIN OR TEMP. DIFF
PEOPLE X
OPEN DOORS DOORS X =
EXHAUST FAN
CRACK FEET X CFM/FT =
ESHF EFFECTIVE SENS. HEAT
=
= EFFECTIVE ROOM SENS. HEAT
EFFECTIVE ROOM TOTAL HEAT =
ADP INDICATED ADP SELECTED ADP
TEMP. RISE
BF) X F - TADP F) = F
DEHUM. EFFECTIVE ROOM SENS. HEAT
1.08 X FTEMP.RISE
F(RM-OUTLET AIR)* ROOM SENS. HEAT 1.08 X CFMDA 1.08 X
OUTLET TEMP. DIFF.
CFM
SUPPLY CFM
BYPASS CFM
ROOM SENS. HEAT
1.08 X FDESIRE DIFF
=
=
=
CFMDA CFM SA - =
EDB
LDB
TRM F + CFMOA
CFM+
X (TOA F -TRM F) = TED
TADP F + BF X (TEDB F -TADP F) = TLD
TEWB F , TLWB
SWINGING REVOLVING DOORS
SDM#1-01 , File : 239174881.xls.ms_office Date : 7/22/2014 ,Time :7:26 AM
B10Cell:
Solar gain-glass canComment:
calculate by two method . First is for "With the Storage Factor",use the description of case 1. Second is for "without the Storage Factor",use the description of case 2.
C11Cell:
Windows area , sq ftComment:
Area of glassed structure that solar haet gain get thru at varies exposure. ( N,E,S,W,NE,SE
,SW,NW) , Chapter 3
E11Cell:
Comment:
Solar heat gain thru glass,Btu/(hr)-(sq ft)
Case 1; With Storage factor
Multiplying of "Peak solar heat gain thru ordinary glass" (at the selected month , location ,exposure) and " Storage load factors of solar heat gain".
( Table 6, Page 29 for Peak solar heat gain thru ordinary glass and Table 7,8,9,10 or 11 ,Page 30-34 for Storage load factors of solar heat gain thruglass) :
Example : The peak solar heat gain for a west exposure
in July at 40 north Latitude = 164 Btu/hr-sqft (Tbl.6) and the
Storage load factor with internal shade = 0.66 for a west exposure at 4 pm ,the weight ~ 100 lb/sq ft. So, the
Solar heat gain thru glass for a west = 164x0.66 =
108.24 Btu/hr
Case 2 ;Without Storage factor
Solar heat gain thru ordinary glass" (at the selected month , location ,exposure) , ( Table15, Page 44-49 )
G11Cell:
Comment:
Over all Factor for solar heat gain
Case 1: With storage factor
Factor for adjustment of the value of solar heat gain as the effect of Shading Device or Glass block . And the correction factor(Table 16,Page 52, Over all Factors for solar heat gain thru glass , Table 17, Page 54, Solar heat gain for glass block)
Example : Factor of solar heat gain thru glassfor the Regular plate Glass = 0.94
Case 2 : Without storage factor
Correction factor on the bottom of Table 15, Page 44-49
J11Cell:
Out door & Room conditionComment:
- Outdoor condition see Table 1-3 Page10-19
- Room Condition see Table 4-5, Page 20-23
C12Cell:
Windows area , sq ftComment:SDM#1-01 , File : 239174881.xls.ms_office Date : 7/22/2014 ,Time :7:26 AM
Area of glassed structure that solar haet gain get thru at varies exposure. ( N,E,S,W,NE,SE
,SW,NW) , Chapter 3
E12Cell:
Comment:
Solar heat gain thru glass,Btu/(hr)-(sq ft)
Case 1; With Storage factor
Multiplying of "Peak solar heat gain thru ordinary glass" (at the selected month , location ,exposure) and " Storage load factors of solar heat gain".
( Table 6, Page 29 for Peak solar heat gain thru ordinary glass and Table 7,8,9,10 or 11 ,Page 30-34 for Storage load factors of solar heat gain thruglass) :
Example : The peak solar heat gain for a west exposure
in July at 40 north Latitude = 164 Btu/hr-sqft (Tbl.6) and the
Storage load factor with internal shade = 0.66 for a west exposure at 4 pm ,the weight ~ 100 lb/sq ft. So, the
Solar heat gain thru glass for a west = 164x0.66 =
108.24 Btu/hr
Case 2 ;Without Storage factor
Solar heat gain thru ordinary glass" (at the selected month , location ,exposure) , ( Table15, Page 44-49 )
G12Cell:
Comment:
Over all Factor for solar heat gain
Case 1: With storage factor
Factor for adjustment of the value of solar heat gain as the effect of Shading Device or Glass block . And the correction factor(Table 16,Page 52, Over all Factors for solar heat gain thru glass , Table 17, Page 54, Solar heat gain for glass block)
Example : Factor of solar heat gain thru glassfor the Regular plate Glass = 0.94
Case 2 : Without storage factor
Correction factor on the bottom of Table 15, Page 44-49
C13Cell:
Windows area , sq ftComment:
Area of glassed structure that solar haet gain get thru at varies exposure. ( N,E,S,W,NE,SE
,SW,NW) , Chapter 3
E13Cell:
Comment:
Solar heat gain thru glass,Btu/(hr)-(sq ft)
Case 1; With Storage factor
Multiplying of "Peak solar heat gain thru ordinary glass" (at the selected month , location ,exposure) and " Storage load factors of solar heat gain".
( Table 6, Page 29 for Peak solar heat gain thru ordinary glass and Table 7,8,9,10 or 11 ,Page 30-34 for Storage load factors of solar heat gain thruglass) :
Example : The peak solar heat gain for a west exposure
in July at 40 north Latitude = 164 Btu/hr-sqft (Tbl.6) and the SDM#1-01 , File : 239174881.xls.ms_office Date : 7/22/2014 ,Time :7:26 AM
Storage load factor with internal shade = 0.66 for a west exposure at 4 pm ,the weight ~ 100 lb/sq ft. So, the
Solar heat gain thru glass for a west = 164x0.66 =
108.24 Btu/hr
Case 2 ;Without Storage factor
Solar heat gain thru ordinary glass" (at the selected month , location ,exposure) , ( Table15, Page 44-49 )
G13Cell:
Comment:
Over all Factor for solar heat gain
Case 1: With storage factor
Factor for adjustment of the value of solar heat gain as the effect of Shading Device or Glass block . And the correction factor(Table 16,Page 52, Over all Factors for solar heat gain thru glass , Table 17, Page 54, Solar heat gain for glass block)
Example : Factor of solar heat gain thru glassfor the Regular plate Glass = 0.94
Case 2 : Without storage factor
Correction factor on the bottom of Table 15, Page 44-49
C14Cell:
Windows area , sq ftComment:
Area of glassed structure that solar haet gain get thru at varies exposure. ( N,E,S,W,NE,SE
,SW,NW) , Chapter 3
E14Cell:
Comment:
Solar heat gain thru glass,Btu/(hr)-(sq ft)
Case 1; With Storage factor
Multiplying of "Peak solar heat gain thru ordinary glass" (at the selected month , location ,exposure) and " Storage load factors of solar heat gain".
( Table 6, Page 29 for Peak solar heat gain thru ordinary glass and Table 7,8,9,10 or 11 ,Page 30-34 for Storage load factors of solar heat gain thruglass) :
Example : The peak solar heat gain for a west exposure
in July at 40 north Latitude = 164 Btu/hr-sqft (Tbl.6) and the
Storage load factor with internal shade = 0.66 for a west exposure at 4 pm ,the weight ~ 100 lb/sq ft. So, the
Solar heat gain thru glass for a west = 164x0.66 =
108.24 Btu/hr
Case 2 ;Without Storage factor
Solar heat gain thru ordinary glass" (at the selected month , location ,exposure) , ( Table15, Page 44-49 )
G14Cell:
Comment:
Over all Factor for solar heat gain
Case 1: With storage factor
Factor for adjustment of the value of solar heat gain as the effect of Shading Device or Glass block . And the correction factor(Table 16,Page 52, Over all Factors for solar heat gain thru glass , Table 17, Page 54, Solar heat gain for glass block)SDM#1-01 , File : 239174881.xls.ms_office Date : 7/22/2014 ,Time :7:26 AM
Example : Factor of solar heat gain thru glassfor the Regular plate Glass = 0.94
Case 2 : Without storage factor
Correction factor on the bottom of Table 15, Page 44-49
C15Cell:
Windows area , sq ftComment:
Area of glassed structure that solar haet gain get thru the vertical exposure.; Chapter 3
E15Cell:
Comment:
Solar heat gain thru glass,Btu/(hr)-(sq ft)
Case 1; With Storage factor
Multiplying of "Peak solar heat gain thru ordinary glass" (at the selected month , location ,exposure) and " Storage load factors of solar heat gain".
( Table 6, Page 29 for Peak solar heat gain thru ordinary glass and Table 7,8,9,10 or 11 ,Page 30-34 for Storage load factors of solar heat gain thruglass) :
Example : The peak solar heat gain for a west exposure
in July at 40 north Latitude = 164 Btu/hr-sqft (Tbl.6) and the
Storage load factor with internal shade = 0.66 for a west exposure at 4 pm ,the weight ~ 100 lb/sq ft. So, the
Solar heat gain thru glass for a west = 164x0.66 =
108.24 Btu/hr
Case 2 ;Without Storage factor
Solar heat gain thru ordinary glass" (at the selected month , location ,exposure) , ( Table15, Page 44-49 )
G15Cell:
Comment:
Over all Factor for solar heat gain
Case 1: With storage factor
Factor for adjustment of the value of solar heat gain as the effect of Shading Device or Glass block . And the correction factor(Table 16,Page 52, Over all Factors for solar heat gain thru glass , Table 17, Page 54, Solar heat gain for glass block)
Example : Factor of solar heat gain thru glassfor the Regular plate Glass = 0.94
Case 2 : Without storage factor
Correction factor on the bottom of Table 15, Page 44-49
K16Cell:
People, PersonComment:
Amount of people in the A/C area.
M16Cell:
Ventilation rate, CFM/PersonComment:
Ventilation rate base on the quantity of person in
conditioning space. (Table45, Page97)SDM#1-01 , File : 239174881.xls.ms_office Date : 7/22/2014 ,Time :7:26 AM
C17Cell:
Wall area , sq ftComment:
Area of wall or roof that conducted heat gain get thru at each exposure. ( ,E,S,W,NE,
SE,SW,NW)
E17Cell:
Equivalent temperature diff. ,Deg FComment:
Operation of Equivalent temperature difference value (wall , roof ,Table 19, ,Page 62 ) and
Correction number (Table20A , Page 63,64)
G17Cell:
Transmission Coefficient, U, (Btu/(hr)(sq ft)(deg F)Comment:
Value of Transmission Coefficient , U Value of each type of wall material (Table 21,22,23,24,25,26 ,Page 66-70 )
M17Cell:
Ventilation rate, CFM/Sq.ftComment:
Ventilation rate base on the size ot the
conditioning space. (Table45, Page97)
C18Cell:
Wall area , sq ftComment:
Area of wall or roof that conducted heat gain get thru at each exposure. ( ,E,S,W,NE,
SE,SW,NW)
E18Cell:
Equivalent temperature diff. ,Deg FComment:
Operation of Equivalent temperature difference value (wall , roof ,Table 19, ,Page 62 ) and
Correction number (Table20A , Page 63,64)
G18Cell:
Transmission Coefficient, U, (Btu/(hr)(sq ft)(deg F)Comment:
Value of Transmission Coefficient , U Value of each type of wall material (Table 21,22,23,24,25,26 ,Page 66-70 )
C19Cell:
Wall area , sq ftComment:
Area of wall or roof that conducted heat gain get thru at each exposure. ( ,E,S,W,NE,
SE,SW,NW)
E19Cell:SDM#1-01 , File : 239174881.xls.ms_office Date : 7/22/2014 ,Time :7:26 AM
Equivalent temperature diff. ,Deg FComment:
Operation of Equivalent temperature difference value (wall , roof ,Table 19, ,Page 62 ) and
Correction number (Table20A , Page 63,64)
G19Cell:
Transmission Coefficient, U, (Btu/(hr)(sq ft)(deg F)Comment:
Value of Transmission Coefficient , U Value of each type of wall material (Table 21,22,23,24,25,26 ,Page 66-70 )
C20Cell:
Wall area , sq ftComment:
Area of wall or roof that conducted heat gain get thru at each exposure. ( ,E,S,W,NE,
SE,SW,NW)
E20Cell:
Equivalent temperature diff. ,Deg FComment:
Operation of Equivalent temperature difference value (wall , roof ,Table 19, ,Page 62 ) and
Correction number (Table20A , Page 63,64)
G20Cell:
Transmission Coefficient, U, (Btu/(hr)(sq ft)(deg F)Comment:
Value of Transmission Coefficient , U Value of each type of wall material (Table 21,22,23,24,25,26 ,Page 66-70 )
L20Cell:
People, PersonComment:
Amount of people in the A/C area.
M20Cell:
Infiltration rateComment:
Infiltration rate base on number of people , See Table41, Page 90
C21Cell:
Wall area , sq ftComment:
Area of wall or roof that conducted heat gain get thru at each exposure. ( ,E,S,W,NE,
SE,SW,NW)
E21Cell:
Equivalent temperature diff. ,Deg FComment:
Operation of Equivalent temperature difference value (wall , roof ,Table 20, ,Page 63 ) and
Correction number (Table20A , Page 63,64)
SDM#1-01 , File : 239174881.xls.ms_office Date : 7/22/2014 ,Time :7:26 AM
G21Cell:
Transmission Coefficient, U, (Btu/(hr)(sq ft)(deg F)Comment:
Value of Transmission Coefficient , U Value of each type of Roof material (Table 27,28,Page 71,72 )
L21Cell:
Door, Comment:
The numbe of open door of the A/C area.
M21Cell:
Infiltration rateComment:
Infiltration rate base on number of opening doors , See Table41, Page 90
C22Cell:
Wall area , sq ftComment:
Area of wall or roof that conducted heat gain get thru at each exposure. ( ,E,S,W,NE,
SE,SW,NW)
E22Cell:
Equivalent temperature diff. ,Deg FComment:
Operation of Equivalent temperature difference value (wall , roof ,Table 20, ,Page 63 ) and
Correction number (Table20A , Page 63,64)
G22Cell:
Transmission Coefficient, U, (Btu/(hr)(sq ft)(deg F)Comment:
Value of Transmission Coefficient , U Value of each type of Roof material (Table 27,28,Page 71,72 )
O22Cell:
Exhaust capacity ,CFMComment:
Exhaust capacity of the system
C24Cell:
Glassed area , sq ftComment:
Heat transmission area thu glass except wall & roof.
E24Cell:
Dry bulb temp. diff , FComment:
Dry bulb temperature difference between outdoor temperature and air conditioning room temperature. (See the data at the top of calculation sheet)
G24Cell:
U Value of glass ,Btu/hr-sq.ft-F Comment:SDM#1-01 , File : 239174881.xls.ms_office Date : 7/22/2014 ,Time :7:26 AM
Transmission Coefficient value of Windows,
skylights, doors& Glass block (Table 33, Page 76)
C25Cell:
Partition area , sq ftComment:
Heat transmission area thu partition except wall & roof.
E25Cell:
Dry bulb temp. diff , FComment:
Dry bulb temperature difference betaween another side of partition and air conditioning room temperature.
G25Cell:
U Value of Partition ,Btu/hr-sq.ft-F Comment:
Transmission Coefficient value of Partitions(Table 25,26, Page 69,70)
C26Cell:
Ceiling area , sq ftComment:
Heat transmission area thu ceilingexcept wall & roof.
E26Cell:
Dry bulb temp. diff , FComment:
Dry bulb temperature difference betaween above ceiling and air conditioning room temperature.
G26Cell:
U Value of Partition ,Btu/hr-sq.ft-F Comment:
Transmission Coefficient value of Ceiling or floor(Table 29,30 Page 73,74)
C27Cell:
Floor area , sq ftComment:
Heat transmission area thu floorexcept wall & roof.
E27Cell:
Dry bulb temp. diff , FComment:
Dry bulb temperature difference betaween under floor temperature and air conditioning room temperature.
G27Cell:
U Value of Partition ,Btu/hr-sq.ft-F Comment:
Transmission Coefficient value of Ceiling or floor(Table 29,30 Page 73,74)
C28Cell:
Infiltration , cfmComment:
Ignore this value in case of ventilation excess Infiltration of air thu window,door,crack or swinging door, (See note 4)SDM#1-01 , File : 239174881.xls.ms_office Date : 7/22/2014 ,Time :7:26 AM
E28Cell:
Dry bulb temp. diff , FComment:
Dry bulb temperature difference between outdoor temperature and air conditioning room temperature. (See the data at the top of calculation sheet)
L30Cell:
Apparatus dewpointComment:
Define from Table 65,Page or Psychrometric chart Fig 33 ,Page116
C31Cell:
People, PersonComment:
Amount of people in the A/C area.
G31Cell:
Heat gain from people, Btu/hrComment:
Sensible heat release from body when they are
doing the activity (Table 48 ,Page 100)
C32Cell:
Power, kwComment:
Grossory of power of operating motor in the A/C area. It can generate heat to be the cooling load.
G32Cell:
Heat gain from electric motor, Btu/hrComment:
Sensible heat release from motor into the A/C
area (Table 53 ,Page 105)
C33Cell:
Power, kwComment:
Grossory of power of lighting in the A/C area. It can generate heat to be the cooling load.
G33Cell:
Heat gain from light, Btu/hrComment:
Sensible heat release from lights into the A/C
area (Table 49 ,Page 101)
D34Cell:
Heat gain from appliance, Btu/hrComment:
Grossory of power of appliance in the A/C area. It can generate sensible heat to be the cooling load.(Table 50,51,52 Page101,103)
SDM#1-01 , File : 239174881.xls.ms_office Date : 7/22/2014 ,Time :7:26 AM
G34Cell:
Correction Factor of ApplianceComment:
Factoc of Appliance for the adjustment of each situation of cooling load.(Bottom of Table 50,51,52)
D35Cell:
Additional heat gain, Btu/hrComment:
Heat gain from pipe or tank located in A/C area.(Table 54-57 Page107-109)
G35Cell:
Correction Factor of Additional heat gainComment:
Factoc of additional heat gain for the adjustment of each situation of cooling load.(Bottom of Table 54-57)
C37Cell:
Floor area of A/C space, sq.ftComment:
Floor area of air conditioning space where is influenced by the temperature swing effect. The temperature swing effect will reduce the sensible heat gain. Because of some heat gain is stored in the building .It doesn't release all of it at the peak
rate.
E37Cell:
Desired temperature swing, FComment:
Recommended inside design condition. The temperature swing value depend on each type of building function. (Table 4 ,Page 20)
G37Cell:
Storage FactorComment:
Factor of storage heat gain depend on the load pattern, weight of material surrounding the space and hour of operation.(Table 13,Page 37)
C40Cell:
Safety FactorComment:
Factor for the uncertainly of survey. The value in the range of 0%-5%.To be added to the room sensible heat. ( Chapter 7,Page112)
C43Cell:
Heat gain to supply duct.%Comment:
Heat gain to supply duct in case of the cooled air duct go through the unconditioned space. Depend on amount of room sensible heat , type of duct insulation , distance and temperature difference between cooled air in duct and the unconditioned space temperature.(Chart 3,Page 110)
E43Cell:
Supply air duct leak loss,%Comment:
Average supply duct leakage from the entire length of low velocity supply duct whether large and small system is around 10% of supply air quantity. Individual workmanship is the greatest variable and duct leakages from 5%-30%.(Chapter 7,Page 110)SDM#1-01 , File : 239174881.xls.ms_office Date : 7/22/2014 ,Time :7:26 AM
G43Cell:
Heat gain from A/C Fan,Draw thru system,%Comment:
The generated heat gain from fan motor which distribute cooled air in the A/C system. It will effect to have more sensible heat gain. And depend on the temperature difference of room to supply air ,Fan total pressure and feature of fan installation.(Table 59,Page 111)
C44Cell:
Outdoor air,CFMComment:
Quantity of outdoor air make up to the A/C system. See note 3 on the bottom of this calculation sheet (Table45,Page97 and Table 43, Page92)
E44Cell:
Dry bulb temp. diff , FComment:
Dry bulb temperature difference betaween outdoor temperature and air conditioning room temperature. (See the data at the top of calculation sheet)
G44Cell:
Bypass FactorComment:
Bypass factor is a function of the physical and operating charecteristics of the conditioning apparatus (Cooling Coil) See typical Bypass Factors (Table 61,Page127)
C47Cell:
Infiltration , cfmComment:
Ignore this value in case of ventilation excess Infiltration of air thu window,door,crack or swinging door, (See note 4)
E47Cell:
Moisture content, Gr/LbComment:
Moisture content difference between outdoor and room condition., (See note 2)
C48Cell:
People, PersonComment:
Amount of people in the A/C area.
E48Cell:
Heat gain from people, Btu/hrComment:
Latent heat release from body when they are
doing the activity (Table 48 ,Page 100)
C49Cell:
Steam , Lb/HrComment:
Amount of steam escape to conditioned space
SDM#1-01 , File : 239174881.xls.ms_office Date : 7/22/2014 ,Time :7:26 AM
D50Cell:
Heat gain from appliance, Btu/hrComment:
Grossory of power of appliance in the A/C area. It can generate latent heat to be the cooling load.(Table 50,51,52 Page101,103)
G50Cell:
Correction Factor of ApplianceComment:
Factoc of Appliance for the adjustment of each situation of cooling load.(Bottom of Table 50,51,52)
D51Cell:
Additional heat gain, Btu/hr-sq.ftComment:
Heat gain from evaporation of free water surface in A/C space.(Table 58 Page109)
C52Cell:
Moisture material area ,sq.ftComment:
Face area of moisture material which can evaporate into A/C space.
E52Cell:
Moisture content, Gr/LbComment:
Moisture content difference between outdoor and room condition., (See note 2)
G52Cell:
Permeance, Btu/(hr)(100sq.ft)(Gr/Lb diff)Comment:
Diffusion of moisture material into the A/C space.(Table 40 Page84-85)
C54Cell:
Safety FactorComment:
Factor for the uncertainly of survey. The value in the range of 0%-5%.To be added to the room latent heat. ( Chapter 7,Page112)
E56Cell:
Supply air duct leak loss,%Comment:
Average supply duct leakage from the entire length of low velocity supply duct whether large and small system is around 10% of supply air quantity. Individual workmanship is the greatest variable and duct leakages from 5%-30%.(Chapter 7,Page 110)
C57Cell:
Outdoor air ,CFMComment:
Amount of outdoor air make up to the A/C system
can be the latent heat gain by the mixed moisture.SDM#1-01 , File : 239174881.xls.ms_office Date : 7/22/2014 ,Time :7:26 AM
See note 3
E57Cell:
Moisture content, Gr/LbComment:
Moisture content difference between outdoor and room condition., (See note 2)
G57Cell:
Bypass FactorComment:
Bypass factor is a function of the physical and operating charecteristics of the conditioning apparatus (Cooling Coil) See typical Bypass Factors (Table 61,Page127)
C61Cell:
Outdoor air ,CFMComment:
Amount of outdoor air make up to the A/C system
can be the sensible heat gain by the temperature difference. See note 3
E61Cell:
Dry bulb temp. diff , FComment:
Dry bulb temperature difference between outdoor temperature and air conditioning room temperature. (See the data at the top of calculation sheet)
G61Cell:
Bypass FactorComment:
Bypass factor is a function of the physical and operating charecteristics of the conditioning apparatus (Cooling Coil) See typical Bypass Factors (Table 61,Page127)
C62Cell:
Outdoor air ,CFMComment:
Amount of outdoor air make up to the A/C system
can be the latent heat gain by the mixed moisture.
See note 3
E62Cell:
Moisture content, Gr/LbComment:
Moisture content difference between outdoor and room condition., (See note 2)
G62Cell:
Bypass FactorComment:
Bypass factor is a function of the physical and operating charecteristics of the conditioning apparatus (Cooling Coil) See typical Bypass Factors (Table 61,Page127)
C63Cell:
Heat gain to return duct.%Comment:SDM#1-01 , File : 239174881.xls.ms_office Date : 7/22/2014 ,Time :7:26 AM
Heat gain to return duct in case of the cooled air duct go through the unconditioned space. Depend on amount of room sensible heat , type of duct insulation , distance and temperature difference between cooled air in duct and the unconditioned space temperature.(Chart 3,Page 110)
G63Cell:
Return air duct leak gain,%Comment:
Average supply duct leakage from the entire length of low velocity supply duct whether large and small system is around 10% of supply air quantity. Individual workmanship is the greatest variable and duct leakages from 5%-30%.(Chapter 7,Page 110)
C65Cell:
Heat gain from dehumidifier pump,%Comment:
With dehumidifier systems, the horsepower required to pump the water adds heat to the system.This heat will be an addition to the grand total heat.(Table60 ,Page 113)
G65Cell:
Heat gain from dehumidifier pipe,%Comment:
- Very little external piping ~1%
- Average external piping ~2%
- extensive external piping ~4%
Chapter 7,Page 113
SDM#1-01 , File : 239174881.xls.ms_office Date : 7/22/2014 ,Time :7:26 AM
Floor Area 8565 Sqft
Meeting Room People 12 6
Systems 142 8
Lights on Floor 125 20
Plotters 3 3000
Printers 2 1600
Paper Scrap 1 300
refrigerator 1 180
Ovan 1 600
Coffee Machine 1 200
Water Filter 1 700
50
40
28
12
9 Pantry
3 Plotter
10862.65
6677.24
127 13970
12 300
22400 Misc
145 15950 T5500
T490
Optiflex
100 160 16000
40 225 9000
6580
1000
12400
4620
9750