Background

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Ecotect

• Background
• Weather tool
• Solar Radiation
• Temperature
• Relative humidity
• Wind
• Building design
• Solar access
• Façade design
• Climate responsive envelopes
• Optimum orientation
• Natural ventilation

2
Background

• Façade and energy
• Energy in buildings
• Façade principles
• Curtain walls
• Shading and daylighting
• Advanced Systems
• Climate responsive facades

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Ecotect
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Ecotect

• Weather tool

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Ecotect

• Weather tool
• Location
• Hourly data
• Weekly data
• Monthly data
• Solar position
• Psychrometry

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Weather data analysis

• Weather data analysis
• Solar Radiation
• Temperature
• Relative
• humidity

Solar radiation
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Weather data analysis

• Weather data analysis
• Solar Radiation
• Temperature
• Relative
• humidity

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Weather data analysis

• Weather data analysis
• Solar Radiation
• Temperature
• Relative
• humidity

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Weather data analysis

• Weather data analysis
• Solar Radiation
• Temperature
• Relative
• humidity

Rel. humidity
10
Weather data analysis

• Weather data analysis
• Solar Radiation
• Temperature
• Relative
• humidity

Cloud cover
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Weather data analysis
Weekly summary
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Weather data analysis
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Weather data analysis
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Weather data analysis
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Weather data analysis
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Weather data analysis
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Weather data analysis
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Weather data analysis
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Weather data analysis
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Weather data analysis

• Weather data analysis
• Solar Radiation
• Temperature
• Relative
• humidity

Wind pattern for whole year
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Weather data analysis

• Weather data analysis
• Solar Radiation
• Temperature
• Relative
• humidity

Wind pattern for each month
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Weather data analysis
Wind comparison
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Weather data analysis

• Weather data analysis
• Solar Radiation
• Temperature
• Relative
• humidity

24
Weather data analysis

• Weather data analysis
• Solar Radiation
• Temperature
• Relative
• humidity

Solar radiation
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Weather data analysis

• Weather data analysis
• Solar Radiation
• Temperature
• Relative
• humidity

Sun path 1
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Weather data analysis

• Weather data analysis
• Solar Radiation
• Temperature
• Relative
• humidity

Sun path 2
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Weather data analysis
N

• Weather data analysis
• Solar Radiation
• Temperature
• Relative
• humidity

10
30
50
70
W
E
S
Sun path Hong Kong
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Weather data analysis

• Weather data analysis
• Solar Radiation
• Temperature
• Relative
• humidity

Sun path Hong Kong
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Weather data analysis

• Weather data analysis
• Solar Radiation
• Temperature
• Relative
• humidity

Psychrometric Chart
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Weather data analysis

• Weather data analysis
• Solar Radiation
• Temperature
• Relative
• humidity

Dry Bulb Air Temperature
31
Weather data analysis

• Weather data analysis
• Solar Radiation
• Temperature
• Relative
• humidity

Absolute Humidity
32
Weather data analysis

• Weather data analysis
• Solar Radiation
• Temperature
• Relative
• humidity

Relative Humidity
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Weather data analysis

• Weather data analysis
• Solar Radiation
• Temperature
• Relative
• humidity

Activity level sedentary
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Weather data analysis

• Weather data analysis

Activity level heavy
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Weather data analysis

• Weather data analysis

Data points and comfort zone
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Weather data analysis

• Weather data analysis

Monthly range
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Weather data analysis

• Weather data analysis

Mean monthly max.
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Weather data analysis

• Weather data analysis

Climate classification
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Weather data analysis

• Weather data analysis

Data points for summer period
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Weather data analysis

• Weather data analysis

Active cooling strategies
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Weather data analysis

• Passive cooling strategies
• Passive solar heating
• Thermal mass effect
• Mass and night ventilation
• Natural ventilation
• Direct evaporative cooling
• Direct evaporative cooling

Passive cooling strategies (Szokolay, 1986)
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Weather data analysis

• Weather data analysis

Passive solar heating
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Weather data analysis

• Weather data analysis

Thermal mass effects
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Weather data analysis

• Weather data analysis

Night purge ventilation
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Weather data analysis

• Weather data analysis

Natural ventilation
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Weather data analysis

• Weather data analysis

Direct evaporative cooling
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Weather data analysis

• Weather data analysis

Indirect evaporative cooling
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Weather data analysis

• Weather data analysis

Indirect evaporative cooling
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Weather data analysis
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Weather data analysis

• Optimizing shading / use of daylight
• Reduction of peak loads

51
Weather data analysis

• Optimizing shading / use of daylight
• Reduction of peak loads

52
Weather data analysis

• Optimizing shading / use of daylight
• Reduction of peak loads

53
Weather data analysis

• Optimizing shading / use of daylight
• Reduction of peak loads

54
Weather data analysis

• Optimizing shading / use of daylight
• Reduction of peak loads

55
Weather data analysis

• Optimizing shading / use of daylight
• Reduction of peak loads

56
Weather data analysis

• Optimizing shading / use of daylight
• Reduction of peak loads

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Ecotect

• Questions
• The End

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