presentation: an investigation of the energy options for renovating east halls
DESCRIPTION
The powerpoint of an energy research project presentation. The title is "An Investigation of the Energy Options for Renovating East Halls at Pennsylvania State University – University Park". Presented in Dec 9, 2013.TRANSCRIPT
An Investigation of the Energy Options for
Renovating East Halls at Pennsylvania State
University – University Park
Yun Liang
Advisor: Prof. Andy Lau
Dec 2013
Objective To investigate energy options for renovating a residence
hall on campus in Pennsylvania State University – University Park, to reduce energy resource consumption and related environmental damages.
source: http://news.psu.edu/gallery/241897/2012/03/16/south-halls-renovations-and-addition
Buildings Share of U.S. Primary Energy Consumption
U.S. Department of Energy (DOE), 2008 Buildings Energy Data Book, Section 1.1.1, 2008.
Energy Use Intensity (EUI)
U.S. Environmental Protection Agency (EPA), DataTrends: Energy Use Benchmarking
Residential Site Energy Consumption by End Use
DOE, 2008 Buildings Energy Data Book, Section 2.1.5, 2008.
MethodologyGathered data
Analyzed and predicted energy use by function (heat, lighting, and etc.)
Compared predictions with real data
Applied possible energy options
Calculated energy saving and estimated life cycle cost
Building Energy Consumption
Electricity Steam and Natural Gas
Penn State University 290 GWh 3,000 MMBTU
East Residence
Halls
8.2 GWh 80.5 MMBTU
15.1 kWh/SF 148 kBTU/SF
Heating Energy Use
2012-7
(Jan-12)
12-Feb
12-Mar
12-Apr
12-May
12-Jun
12-Jul
12-Aug
12-Sep
12-Oct
12-Nov
12-Dec
13-Jan
13-Feb
13-Mar
13-Apr
13-May
13-Jun
13-Jul
13-Aug
0
5,000
10,000
15,000
20,000Monthly Steam Consumption of East Halls
Ste
am C
on
sum
pti
on
(kl
b)
20 30 40 50 60 70 80 0
2,000
4,000
6,000
8,000
10,000
12,000
14,000
16,000
Dependence of East Halls Steam Use on Ambient Temperature in 2012
Temperature (°F)
Ste
am C
on
sum
pti
on
(kl
b)
Typical Heat Losses – Conventional House
Heat Losses
ROOFTOP WINDOW WALL
Area (sf) 7,200 4,500 24,000
R valueThermal
Resistance(hr*sf*oF/BTU)
25.2 0.79 4.21
Heat Losses Rate(MBTU/DD) 6.85 137 137
Total Heat Losses(MMBTU) 39.3 787 786
Air Leakage
Source: http://sjsmechanical.com/?page_id=525
Heat losses due to air leakage 1,166 MMBTU (42%)
Air Leakage
Electricity Use
2012-7
(Jan-12)
12-Feb
12-Mar
12-Apr
12-May
12-Jun
12-Jul
12-Aug
12-Sep
12-Oct
12-Nov
12-Dec
13-Jan
13-Feb
13-Mar
13-Apr
13-May
13-Jun
13-Jul
13-Aug
0
400,000
800,000
1,200,000
1,600,000
Electricity Consumption of East Halls
Ele
ctri
city
Co
nsu
mp
tio
n (
kWh
)
0:00 4:00 8:00 12:00 16:00 20:000
20
40
60
80
100
120
140
Daily Electricity Consumption in Students' Dorm (kWh)
Ele
ctri
city
Co
nsu
mp
tio
n f
or
each
30
min
ute
s p
erio
d
Electricity Consumption in Students' Dormitory
Ceiling Lighting19%
Desk Lamp11%
Phone Charger1%
Refrigerator & Microwave
33%Reading Lamp2%
Floor Lamp 11%
TV 8%
Laptop10%
Clock Radio5%
Heating Saving Options Exterior Wall Insulation Window Selection
source: http://www.celsiusuk.com/external-wall-insulation%20
WALL W/O COATING WALL W/ COATING
WINDOW WITH SINGLE PANE
2,777 MMBTU (100%)
2,166 MMBTU(80%)
WINDOW WITH DOUBLE PANE
2,331 MMBTU(84%)
1,720 MMBTU(62%)
WINDOW WITH TRIPLE PANE
2,238 MMBTU(81%)
1,627 MMBTU(59%)
Heating Saving Options
Electricity Saving Options High Efficiency Product (Energy Star)
Motion Sensor Occupancy Sensor Photosensor
Photovoltaic
ELECTRICITY CONSUMPTION(MWh)
TOTAL PRIVATE
LIGHTING
TOTAL PUBLIC
LIGHTING
TOTAL LIGHT
T8 STANDARD W/O OCCUPANCY SENSOR
1,853 (100%)
6,753 (100%)
8,607 (100%)
T8 STANDARD ELECTRONIC BALLAST
W/ OCCUPANCY SENSOR
1,420 (76.64%)
3,714 (55%)
5,135(59.66%)
W/ OCCUPANCY PHOTOSENSOR
774 (41.8%)
2,016 (29.86%)
2,791(32.4%)
T8 HIGH EFFIENCY BALLSTS
W/ OCCUPANCY SENSOR
1,330 (71.8%)
3,428(50.77%)
4,759 (55.30%)
W/ OCCUPANCY PHOTOSENSOR
715(38.59%)
1,861 (27.56%)
2,576 (29.93%)
Electricity Saving Options - Lighting
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec0
10,000
20,000
30,000
40,000
50,000
60,000
Net AC Output vs. Monthly Consumption
Net AC Output (kWh) Monthly Electricity Consumption (kWh)
Electricity Saving Options – Photovoltaic
Economic AnalysisEnergy Options Annual Energy Savings
WINDOW WITH DOUBLE PANE
WALL W/ COATING
$4,307
WINDOW WITH TRIPLE PANE
$4,686
T8 HIGH EFFIENCY BALLSTS
W/ OCCUPANCY SENSOR
$390
W/ OCCUPANCY PHOTOSENSOR
$2,200
PHOTOVOLTAIC $4,282
Acknowledgements
Prof. Andy Lau Dr. Miller Dr. Brownson Paul Ruskin Amy Frantz Garvin Jennifer Aaron Knight
Questions?