1. Environmental Controls I/IG
Lecture 8
Load Dominance
Passive Cooling

2. Load Dominance Envelope Dominated Buildings
Internally Dominated Buildings
L: p.216, T9.5a

3. Internally Dominated Buildings
Heating/Cooling periods
L: p. 217, T9.5b

4. Envelope Dominated Buildings
Heating/Cooling periods
L: p. 218, T9.5d

5. Heating and Cooling Cycles
Comparison of
heating and cooling cycles
L: p.217-8, T9.5a-b

6. Passive Thermal Control
Sun Control  heat avoidance
Wind Control  airflow
Evaporative Cooling dry environments
Earth Cooling  earth sheltering
Radiant Cooling  direct/indirect
Dehumidification  humid environments

7. Sun Control South Façade Overhangs Internally Dominated Buildings
L: p. 221, T9.8b

8. Sun Control South Façade Overhangs Envelope Dominated Buildings
L: p. 220, T9.8a

9. Sun Control
East/West Façade Overhangs
L: p. 225, T9.11

10. Sun Control East/West Façade Vertical Fins L: p. 226, T9.12
L: p. 226, F9.12

11. Sun Control North Façade Vertical Fins L: p. 226, T9.12
L: p. 226, F9.13

12. Sun Control Eastgate; Harare, Zimbabwe, Pierce Partnership, 1996
L: p. 226, T9.12
Lycee Polyvalent; Frejus France, Norman Foster, 1993

13. Sun Control
Sun Control Details
Menara UMNO; Penang, Ken Yeang, 1998

14. Sun Control
Offices for Apicorp; Al Khobar, Saudi Arabia, DEGW, 2000

15. Menara Mesieniaga; Subang Jaya, Malaysia, Ken Yeang, 1992
Sun Control
Menara Mesieniaga; Subang Jaya, Malaysia, Ken Yeang, 1992

16. Wind Control- Exterior
L: p. 256, F10.5c&d

17. Wind Control-Exterior
Air-mixing due to eddy currents
Enhance in summer
Reduce in winter
L: p. 257, F10. 5e&f

18. Wind Control-Interior
Cross Ventilation
Direction of wind
Flow path continuity
Streamlines
Venturi effect
L: p. 260, F10.6d&e

19. Wind Control-Interior
L: p. 258, F10.5hij&m

20. Wind Control-Interior
Night Flush Cooling: daytime mode
L: p. 270, F10.9b

21. Wind Control
ARUP Campus; Solihull, UK, ARUP Associates, 2001

22. Wind Control
ARUP Campus; Solihull, UK, ARUP Associates, 2001

23. Wind Control
Study Center Darwin College; Cambridge, UK, Jeremy Dixon and Edward Jones, 1994

24. Wind Control
Study Center Darwin College; Cambridge, UK, Jeremy Dixon and Edward Jones, 1994

25. Marika Alderton House; Arnhem Land, Australia, Glenn Mercutt, 1994
Sun & Wind Control
Marika Alderton House; Arnhem Land, Australia, Glenn Mercutt, 1994

26. Evaporative Cooling
L: p. 248, F10.2e
L: p. 247, F10.2d
Latent heat of vaporization…only works efficiently in dry climates

27. Earth Cooling
L: p. 275, F10.12a

28. Rocky Mountain Institute;
Earth Cooling
Winston House; Lyme, NH,
Donald Metz, 1972
Rocky Mountain Institute;
Old Snow Mass CO,
[Amory Lovins], 1984

29. Earth Cooling
Green Roof

30. Beyeler Foundation Museum; Basel, Switzerland, Renzo Piano, 1997
Composite Strategies
Beyeler Foundation Museum; Basel, Switzerland, Renzo Piano, 1997

31. Composite Strategies
The Guthrie Pavilion; Shah-Alam, Malaysia, Ken Yeang, 1998