1. BUILDING ENERGY PERFORMANCE SIMULATIONS OF THE RESIDENTIAL HOUSES IN MEDITERRANEAN CLIMATE: CASE STUDY FOR BODRUM, TURKEY
ARDA KARASU Technische Universität Berlin Fakultät VI Planen Bauen Umwelt CLAUS STEFFAN Institut für Architektur Fachgebiet Gebäudetechnik und Entwerfen

2. Mediterranean climate: - hot/dry summer - mild/wet winter
Fachgebiet Gebäudetechnik und Entwerfen GtE
Dr. Arda Karasu, Prof. Claus Steffan
BUILDING ENERGY PERFORMANCE SIMULATIONS OF THE RESIDENTIAL HOUSES IN MEDITERRANEAN CLIMATE
BODRUM
POPULATION : T Winter
1.5M Summer
AREA : 550 Km2
BUILDING DENSITY : 170T
90% Residential
+5.000/year
Mediterranean climate:
- hot/dry summer
- mild/wet winter

3. compact geometrical form two story small WWR no basement white facade
Fachgebiet Gebäudetechnik und Entwerfen GtE
Dr. Arda Karasu, Prof. Claus Steffan
BUILDING ENERGY PERFORMANCE SIMULATIONS OF THE RESIDENTIAL HOUSES IN MEDITERRANEAN CLIMATE
ARCHITECTURE
compact geometrical form
two story
small WWR
no basement
white facade
no heating system
cooling via air-conditioner

4. Energetic analysis - simulations
Fachgebiet Gebäudetechnik und Entwerfen GtE
Dr. Arda Karasu, Prof. Claus Steffan
BUILDING ENERGY PERFORMANCE SIMULATIONS OF THE RESIDENTIAL HOUSES IN MEDITERRANEAN CLIMATE
Energetic analysis - simulations
Passive
Actual
Actual
Optimized
Optimized
Passive and Active Measures
Prototype
Prototype
Zero Energy
Zero Energy
Planned
Planned
Optimized
Optimized
Active
Economic analysis

5. Yearly building energy performance Weather data:
Fachgebiet Gebäudetechnik und Entwerfen GtE
Dr. Arda Karasu, Prof. Claus Steffan
BUILDING ENERGY PERFORMANCE SIMULATIONS OF THE RESIDENTIAL HOUSES IN MEDITERRANEAN CLIMATE
DESIGNBUILDER
Cooling calculations
Heating calc.
Yearly building energy performance
Weather data:
DOE: US Dep. Of Energy
Turkish State Meteorological Service
SIMULATION CRITERIA
openings
U, SHGC, Vt, layers, infill gas, coating, placement, frame material, WWR
thermal insulation
External wall, roof, subfloor: Placement, type, thickness
shading
Window, local, roof
form-mass
orientation
basement

6. LowE, Argon fill, painted wooden frame Cooling energy requirement
Fachgebiet Gebäudetechnik und Entwerfen GtE
Dr. Arda Karasu, Prof. Claus Steffan
BUILDING ENERGY PERFORMANCE SIMULATIONS OF THE RESIDENTIAL HOUSES IN MEDITERRANEAN CLIMATE
OPENINGS
WWR: S 30% W 10% N 5% E 10%
LowE, Argon fill, painted wooden frame
Cooling energy requirement
6.9 – 33.6 %
Heating energy requirement
4.7 – 8.1 %
THERMAL INSULATION
cool
heat
External wall %
16.1 – 43.3 %
roof %
8 – 19.8 %
subfloor -
Whole building
29.7 %
68.4 %
SHADING
cool
roof
1– 25.3 %
Window+local
13.4 – 38.6 %
Vegetation
1 %

7. ARCHITECTURE SAVES 50% ENERGY
Fachgebiet Gebäudetechnik und Entwerfen GtE
Dr. Arda Karasu, Prof. Claus Steffan
BUILDING ENERGY PERFORMANCE SIMULATIONS OF THE RESIDENTIAL HOUSES IN MEDITERRANEAN CLIMATE
FORM-MASS
cooing load kW
heating load kW
10*10
15.06
30.16
7*14
14.5
29.7
ORIENTATION
cool
heat
Energetically optimized
5-7 %
0-3 %
Best-case
20-32%
4-5 %
ARCHITECTURE SAVES 50% ENERGY

8. Fachgebiet Gebäudetechnik und Entwerfen GtE
Dr. Arda Karasu, Prof. Claus Steffan
BUILDING ENERGY PERFORMANCE SIMULATIONS OF THE RESIDENTIAL HOUSES IN MEDITERRANEAN CLIMATE
FORM ERDG OG
DIMENSION
m2-m3
Total floor area
114.7*3
Conditioned area
99.7*2
Conditioned volume
279.16
Roof area
99.7
Window ares E-S-W-N
1.5/16.8/1.5/3.6
bed
Bath
Bath
bed
bed
Lounge
BUILDING ENVELOPE
W/m2K
Window Ug
0.78
SHGC
0.47
External wall Uw
0.20
Roof Ur
0.33
Air thightness ac/h
0.6
ENERGY DEMAND
kWh/m2a
heating
13.11
cooling
11.32
DHW
0.20
ENVIRONMENT
kg/m2a
CO2
22.11

9. Optimization of actual condition
Fachgebiet Gebäudetechnik und Entwerfen GtE
Dr. Arda Karasu, Prof. Claus Steffan
BUILDING ENERGY PERFORMANCE SIMULATIONS OF THE RESIDENTIAL HOUSES IN MEDITERRANEAN CLIMATE
/ 42.72
182.3
ARCHITECTURE + ENERGY EFFICIENCY
COMBINATION OF PASSIVE MEASURES
BETTER ARCHITECTURE
BETTER CONSTRUCTION QUALITY
SHADING
Passive
Optimization of actual condition
54.3 / 24
79.1
PROTOTYPE
Optimized
Best-Case
35.3 / 15.24
13.11 / 11.32
29.4
22.1
BE SIM !
Building Energy Simulation
ACTIVE
0 / 0 / 0
Cool. /Heat. kWh/m2a CO2 Emission kg/m2a