Passive cooling methods for energy efficient buildings with and without thermal energy storage
Energy Education Science and Technology Part A: Energy Science and Research
2012 Volume (issues) 29(2): 913-946
Passive cooling methods for energy efficient buildings with and without thermal energy storage – A review
N. B. Geetha, R. Velraj*
Anna University, Institute for Energy Studies, College of Engineering, Chennai, India.
Contents
1. Introduction ……………………………………………………………………..914-915
2. Solar and heat protection techniques (Reduce heat gains)……………………...915-919
2.1. Microclimate………………………………………………………………..915-917
2.1.1. Vegetation…………………………………………………………..915-917
2.1.2. Water surfaces………………………………………………………917-917
2.2. Solar control…………………………………………………………………917-919
2.2.1. Aperture……………………………………………………………..917-918
2.2.2. Glazing………………………………………………………………918-919
2.2.3. Insulation…………………………………………………………….919-919
2.2.4. Shading………………………………………………………………919-919
3. Heat modulation or amortization technique (Modify heat gains)………………..919-926
3.1. Shifting of dayheat to night for removal……………………………………..920-924
3.1.1. Thermal mass in the construction material…………………………..920-920
3.1.2. Thermal mass using PCM based system……………………………..920-921
3.1.2.1. PCM in wallboards……………………………………………....921-922
3.1.2.2. PCM in ceiling & roof…………………………………………...922-923
3.1.2.3. PCM in glass windows…………………………………………..924-924
3.2. Use of night coolness for day cooling ……………………………………….924-926
4. Heat dissipation technique (Remove internal heat)……………………………….926-938
4.1. Natural ventilation……………………………………………………………926-932
4.1.1. Wind driven cross ventilation………………………………………...926-927
4.1.2. Buoyancy driven stack ventilation…………………………………....927-930
4.1.3. Single sided ventilation……………………………………………….930-932
4.2. Natural cooling………………………………………………………………..932-938
4.2.1. Evaporative cooling…………………………………………………...932-932
4.2.2. Ground cooling………………………………………………………..933-936
4.2.3. Radiative cooling……………………………………………………...934-936
4.2.4. Heat dissipation through combined cooling
2012 Volume (issues) 29(2): 913-946
Passive cooling methods for energy efficient buildings with and without thermal energy storage – A review
N. B. Geetha, R. Velraj*
Anna University, Institute for Energy Studies, College of Engineering, Chennai, India.
Contents
1. Introduction ……………………………………………………………………..914-915
2. Solar and heat protection techniques (Reduce heat gains)……………………...915-919
2.1. Microclimate………………………………………………………………..915-917
2.1.1. Vegetation…………………………………………………………..915-917
2.1.2. Water surfaces………………………………………………………917-917
2.2. Solar control…………………………………………………………………917-919
2.2.1. Aperture……………………………………………………………..917-918
2.2.2. Glazing………………………………………………………………918-919
2.2.3. Insulation…………………………………………………………….919-919
2.2.4. Shading………………………………………………………………919-919
3. Heat modulation or amortization technique (Modify heat gains)………………..919-926
3.1. Shifting of dayheat to night for removal……………………………………..920-924
3.1.1. Thermal mass in the construction material…………………………..920-920
3.1.2. Thermal mass using PCM based system……………………………..920-921
3.1.2.1. PCM in wallboards……………………………………………....921-922
3.1.2.2. PCM in ceiling & roof…………………………………………...922-923
3.1.2.3. PCM in glass windows…………………………………………..924-924
3.2. Use of night coolness for day cooling ……………………………………….924-926
4. Heat dissipation technique (Remove internal heat)……………………………….926-938
4.1. Natural ventilation……………………………………………………………926-932
4.1.1. Wind driven cross ventilation………………………………………...926-927
4.1.2. Buoyancy driven stack ventilation…………………………………....927-930
4.1.3. Single sided ventilation……………………………………………….930-932
4.2. Natural cooling………………………………………………………………..932-938
4.2.1. Evaporative cooling…………………………………………………...932-932
4.2.2. Ground cooling………………………………………………………..933-936
4.2.3. Radiative cooling……………………………………………………...934-936
4.2.4. Heat dissipation through combined cooling
References: [4] Liu K, Baskaran B. Thermal performance of green roofs through field evaluation, National Research Council of Canada Report NRCC-46412, 2003, Ottawa. N. B. Geetha, R. Velraj / EEST Part A: Energy Science and Research 29 (2012) 913-946 [15] Goldn J, Kaloush K. Alternative pavements ease urban-heat effect, 2007. Retrieved on October 12, 2009 from: http://sos.asu.edu/news/greentalk/alternativepavements- ease-urban-heat-effect. [16] Mazria E. Passive Solar Energy Book. Rodale Press, Emmaus, Pa. 1979. Uppsala, Sweden, 2000. misura. 2007 [in Italian]. 29 (2012) [36] Clarke JA. Energy Simulation in Building Design, Butterworth Heinmann, Oxford, GB, 2001.