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Environmental Controls I/IGEnvironmental Controls I/IGEnvironmental Controls I/IGEnvironmental Controls I/IG
Lecture 12Lecture 12Load DominanceLoad Dominance
Passive CoolingPassive Cooling
Lecture 12Lecture 12Load DominanceLoad Dominance
Passive CoolingPassive Cooling
Load DominanceLoad Dominance
Envelope Dominated Buildings
Internally Dominated Buildings
L: p.224, T9.5a
Internally Dominated Internally Dominated BuildingsBuildings
Heating/Cooling periods
L: p. 225, T9.5b
Envelope Dominated Envelope Dominated BuildingsBuildings
Heating/Cooling periods
L: p. 226, T9.5c
Heating Heating and and Cooling Cooling CyclesCycles
Comparison of heating and cooling cycles
L: p.225-6, T9.5b-c
Passive Thermal ControlPassive Thermal Control
Sun Control heat avoidance Wind Control airflow Evaporative Cooling dry
environments Earth Cooling earth sheltering Radiant Cooling direct/indirect Dehumidification humid
environments
Sun ControlSun Control
South Façade Overhangs
Internally Dominated Buildings
L: p. 230, T9.9a
Sun ControlSun Control
South Façade Overhangs
Envelope Dominated Buildings
L: p. 231, T9.9b
Sun ControlSun Control
East/West Façade Overhangs
L: p. 235, T9.12
Sun ControlSun Control
East/West Façade Vertical Fins
L: p. 236, T9.13
L: p. 236, F9.13
Sun ControlSun Control
North Façade Vertical Fins
L: p. 236, T9.113
L: p. 236, F9.14
Sun ControlSun Control
Lycee Polyvalent; Frejus France, Norman Foster, 1993
L: p. 226, T9.12
Eastgate; Harare, Zimbabwe, Pierce Partnership, 1996
Sun ControlSun Control
Sun Control Details
Menara UMNO; Penang, Ken Yeang,
1998
Sun ControlSun Control
Offices for Apicorp; Al Khobar, Saudi Arabia, DEGW, 2000
Sun ControlSun Control
Menara Mesieniaga; Subang Jaya, Malaysia, Ken Yeang, 1992
Wind Wind Control-Control-ExteriorExterior
L: p. 268, F10.5c&d
Wind Control-ExteriorWind Control-Exterior
L: p. 269, F10. 5e
Air-mixing due to eddy currents
• Enhance in summer
• Reduce in winter
Wind Control-InteriorWind Control-Interior
L: p. 273, F10.6d&e
Cross Ventilation• Direction of wind
• Flow path continuity
• Streamlines
• Venturi effect
Wind Control-InteriorWind Control-Interior
L: p. 270, F10.5hj&l
Wind Control-InteriorWind Control-Interior
L: p. 283, F10.9b
Night Flush Cooling: daytime mode
Wind Wind ControlControl
ARUP Campus; Solihull, UK, ARUP Associates, 2001
Wind Wind ControlControl
ARUP Campus; Solihull, UK, ARUP Associates, 2001
Wind ControlWind Control
Study Center Darwin College; Cambridge, UK, Jeremy Dixon and Edward Jones, 1994
WindWindControlControl
Study Center Darwin College; Cambridge, UK, Jeremy Dixon and Edward Jones, 1994
Sun & WindSun & WindControlControl
Marika Alderton House; Arnhem Land, Australia,
Glenn Mercutt, 1994
Evaporative CoolingEvaporative Cooling
L: p. 260, F10.2eL: p. 259, F10.2d
Latent heat of vaporization…only works efficiently in dry climates
Earth CoolingEarth Cooling
L: p. 291, F10.14a
EarthEarthCoolingCooling
Winston House; Lyme, NH, Donald Metz, 1972
Rocky Mountain Institute; Old Snow Mass CO,
[Amory Lovins], 1984
Earth CoolingEarth Cooling
Green Roof
California Academy of Science, San Francisco, CARenzo Piano, 2008
http://www.archdaily.com/6810/california-academy-of-sciences-renzo-piano/
Composite StrategiesComposite Strategies
Beyeler Foundation Museum; Basel, Switzerland, Renzo Piano, 1997
Composite StrategiesComposite Strategies
The Guthrie Pavilion; Shah-Alam, Malaysia, Ken Yeang, 1998
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