powerpoint presentationkgh-kongres.rs/images/2017/prezentacije/12.pdf · 2020-06-18 · eem w r f...
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![Page 1: PowerPoint Presentationkgh-kongres.rs/images/2017/Prezentacije/12.pdf · 2020-06-18 · EEM W R F Wi B V EEM STD NAT 2-objective optimization EPH and NPV SOUTH EAST ENERGY OPTIMAL](https://reader035.vdocument.in/reader035/viewer/2022081613/5fb4fe7be28aca761862c890/html5/thumbnails/1.jpg)
ANALIZA OPTIMALNIH REŠENJA DOBIJENIH VIŠECILJNOM OPTIMIZACIJOM MERA ENERGETSKE
EFIKASNOSTI U STAMBENIM ZGRADAMA
ANALYSIS OF OPTIMAL SOLUTIONS FROM A MULTI-OBJECTIVE OPTIMIZATION OF ENERGY EFFICIENCY
MEASURES IN RESIDENTIAL BUILDINGS
A. Prada, F. Cappelletti, A. GasparellaUniversity of Trento, Italy
IUAV University of Venice, Italy
Free University of Bozen-Bolzano, ItalyBeograd, Sava centar,6 – 8. decembar 2017.
Belgrade, Sava Center,6 – 8 December 2017
48.
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48.kghEU Policies
Energy Consumption Improving the energy efficiency of the existing buildings
Potential for Cost Effective Solutions Solutions that optimize energy savings and global cost
Indoor Environmental QualitySolutions not deteriorating the indoor thermal comfort
Proposal for a Directive Of The European Parliament
And Of The Council amending Directive 2010/31/EU (2016)
75 %
annual renovation rate
0.4-1.2 %
energy inefficient buildings
Stratego: Enhanced Heating and Cooling Plans to Quantify the
Impact of Increased Energy Efficiency in EU Member States
(2015)
10-15 %
buildings meeting their cooling needs(Italy)
25 %
Cooling on heating demand (Italy)
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48.kghMulti-Objective Optimization
GAOPTIMIZATION ALGORITHM +
SIMULATION SOFTWARE
ENERGY PERFORMANCE
GLOBAL COST
PRIMARY ENERGY FOR HEATING (EPH)
NET PRESENT VALUE (NPV)
1
2 EU 244/2012
COMFORT (check/constraint)
WEIGHTED DISCOMFORT TIME (WDT) EN 15251:2007
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48.kghMulti-Objective Optimization
0 20 40 60 80 100 1200
10
20
30
40
50
60
Primary Energy for Heating EPH [kWh m-2 a-1]
Net
Pre
sen
t V
alu
e N
PV
[kE
UR
]
COST OPTIMAL
ENERGY OPTIMAL
REFERENCE
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48.kghOpaque envelope: Reference resistanceR = 0.97 m2kW-1
Generator: Standard Emission: RadiatorsControl system: On-OffDistribution: Moderate
insulation
Compactness ratio
Windows Orientation
1.0
0.6
0.3
East Milan
Messina
Climatic Context
South
SET OF 6 REFERENCE BUILDING MODULES LOCATED IN TWO
CLIMATES
Case Study: Reference Building Modules
Transparent Envelope: Single pane glass Ugl=5.7 W m-2 K-1
Timber frame Ufr=3.2 W m-2 K-1
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48.kghEnergy Efficiency Measures (EEMs)
EXTERNAL INSULATION
WINDOWS REPLACEMENT
Up to 20 cm (step 1cm)• Wall• Roof• Floor
Improved Frame• DH – Double, High SHGC• DL – Double, Low SHGC• TH – Triple, High SHGC• TL – Triple, Low SHGC
HEATING SYSTEM• Modulating Boiler,
η=96%• Condensing Boiler,
η=101%
VENTILATION SYSTEMIntroduction of mechanical ventilation with heat recovery
277830 COMBINATIONS60 s EACH SIMULATIONS192 DAYS
GA 4500 COMBINATIONS60 s EACH SIMULATIONS3 DAYS
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48.kgh2-objective optimization EPH and NPV
REF 1 - EAST
MILAN MESSINA
0 25 50 75 100 125 1500
5
10
15
20
25
30
35
40
45
EPH kWh m-2 a-1
NP
V k
EUR
0 50 100 150 200 250 3000
10
20
30
40
50
60
70
80
EPH kWh m-2 a-1
NP
V k
EUR
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48.kgh2-objective optimization EPH and NPV
REF 1 - SOUTH
MILAN MESSINA
0 20 40 60 80 100 120 1400
5
10
15
20
25
30
35
40
45
EPH kWh m-2 a-1
NP
V k
EUR
0 50 100 150 200 250 3000
10
20
30
40
50
60
70
80
EPH kWh m-2 a-1
NP
V k
EUR
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48.kgh
W R F Wi B V
EEM
Leve
l
2-objective optimization EPH and NPV
REF 1 - EAST – S/V=0.3
MILAN
EPH [kWh m-2 a-1]
0 2.5 5 7.5 10 12.5 15
0
5
10
15
20
25
30
35
40
0 2.5 5 7.5 10 12.5 15
0
5
10
15
20
25
30
35
40
16.4 16.4 16.4 16.5 17.0 17.0 17.0 17.1 17.1 18.9 18.9
26.0 26.0 26.1 26.2
W R F Wi B V
EEM
Leve
l
10 cm
20 cm
DH
DL MOD
TL
TH
STD
COND
NAT
MEC
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48.kgh
REF 1 – EAST MESSINA – S/V=0.3
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48.kgh
REF 1 – EAST MESSINA – S/V=0.3REF 1 – EAST MESSINA – S/V=0.6REF 1 – EAST MESSINA – S/V=1.00REF 1 – EAST MILAN – S/V=0.3REF 1 – EAST MILAN – S/V=0.6REF 1 – EAST MILAN – S/V=1.00REF 1 – SOUTH MESSINA – S/V=0.3REF 1 – SOUTH MESSINA – S/V=0.6REF 1 – SOUTH MESSINA – S/V=1.0REF 1 – SOUTH MILAN – S/V=0.3REF 1 – SOUTH MILAN – S/V=0.6REF 1 – SOUTH MILAN – S/V=1.0
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48.kghS/V
Glazing Systems Boiler Ventilation
S DH DL TH TL STD M C N M
E ME 0.3 X X X X X X X
0.6 X X X X X X X
1.0 X X X X X X X
MI 0.3 X X X X X X X
0.6 X X X X X X X
1.0 X X X X X X X
S ME 0.3 X X X X
0.6 X X X X X X X X
1.0 X X X X X X X X
MI 0.3 X X X X X X
0.6 X X X X X X X
1.0 X X X X X X X
Conclusion 1/3 (besides insulation) EEMs considered
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48.kgh
STD NATW R F Wi B V
EEM
W R F Wi B V
EEM
W R F Wi B V
EEM
2-objective optimization EPH and NPV
SOUTH EAST
W R F Wi B V
R; 0 F; 0
Wi; 0.25
B; 0 V; 0R; 0 F; 0 Wi; 0 B; 0 V; 0
R; 0.75
F; 0
Wi; 0.25
B; 0 V; 0
R; 0.5
F; 0 Wi; 0 B; 0 V; 0
0.75R; 0.7
F; 0.75
Wi; 0.25
B; 0 V; 0
R; 0.55F; 0.5
Wi; 0 B; 0 V; 0
EEM
COST OPTIMAL
10 cm
20 cm
DH
DL MOD
TL
TH
COND MEC
10 cm
20 cm
DH
DL MOD
TL
TH
STD
COND
NAT
MEC
8.2 14.1 MILAN S/V=0.3 14.0 16.412.6 8.8 MESSINA S/V=0.3 2.1 11.921.9 22.4 MILAN S/V=0.6 33.7 25.4 23.3 14.8 MESSINA S/V=0.6 10.3 17.542.8 31.7 MILAN S/V=1.0 55.3 35.1 35.1 21.2 MESSINA S/V=1.0 24.1 24.1 kWh kWhk€ k€
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48.kghS/V
Ins. Glazing Systems Boiler Ventilation
W S DH DL TH TL STD M C N M
E ME 0.3 8 X X X X X X X
0.6 11 X X X X X X X
1.0 11 X X X X X X X
MI 0.3 17 X X X X X X X
0.6 16 X X X X X X X
1.0 15 X X X X X X X
S ME 0.3 11 X X X X
0.6 12 X X X X X X X X
1.0 12 X X X X X X X X
MI 0.3 12 X X X X X X
0.6 16 X X X X X X X
1.0 15 X X X X X X X
Conclusion 2/3 - Cost optimal
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15
48.kgh
W R F Wi B V
EEM
W R F Wi B V
EEM
W R F Wi B V
EEM
W R F Wi B V
EEM
STD NAT
2-objective optimization EPH and NPV
SOUTH EAST
ENERGY OPTIMAL
10 cm
20 cm
DH
DL MOD
TL
TH
COND MEC
10 cm
20 cm
DH
DL MOD
TL
TH
STD
COND
NAT
MEC
0.5 27.5 MILAN S/V=0.3 0.5 27.3
0.3 12.7 MESSINA S/V=0.3 0.3 25.9 3.0 36.0 MILAN S/V=0.6 7.6 37.4 0.3 35.3 MESSINA S/V=0.6 0.3 35.2 12.8 43.4 MILAN S/V=1.0 22.3 46.3
0.6 40.1 MESSINA S/V=1.0 2.4 40.6kWh kWhk€ k€
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48.kghS/V
Ins Glazing Systems Boiler Ventilation
S DH DL TH TL STD M C N M
E ME 0.3 6 X X X X X X X
0.6 18 X X X X X X X
1.0 19 X X X X X X X
MI 0.3 16 X X X X X X X
0.6 18 X X X X X X X
1.0 18 X X X X X X X
S ME 0.3 18 X X X X
0.6 20 X X X X X X X X
1.0 18 X X X X X X X X
MI 0.3 17 X X X X X X
0.6 18 X X X X X X X
1.0 19 X X X X X X X
Conclusion 3/3 (besides insulation) – Energy optimal