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Integrated model of horizontal earth pipe cooling system for a hot humid climate

Ahmed, S. F., Khan, M. M. K., Oo, A. M. T., Rasul, M. G. and Hassan, N. M. S. 2015, Integrated model of horizontal earth pipe cooling system for a hot humid climate, in IEEES7 : Proceedings of the 7th International Exergy, Energy and Environment Symposium, Presses Universitaires de Valenciennes, Valenciennes, France, pp. 1-9.

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Title Integrated model of horizontal earth pipe cooling system for a hot humid climate
Author(s) Ahmed, S. F.
Khan, M. M. K.
Oo, A. M. T.
Rasul, M. G.
Hassan, N. M. S.
Conference name Exergy, Energy and Environment. Symposium (7th : 2015 : Valenciennes, France)
Conference location Valenciennes, France
Conference dates 27-30 Sep. 2015
Title of proceedings IEEES7 : Proceedings of the 7th International Exergy, Energy and Environment Symposium
Publication date 2015
Start page 1
End page 9
Total pages 9
Publisher Presses Universitaires de Valenciennes
Place of publication Valenciennes, France
Summary Energy efficiency of a building has become a major requirement since the building sector produces 40%-50% of the global greenhouse gas emissions. This can be achieved by improving building’s performance through energy savings, by adopting energy efficient technologies and reducing CO2 emissions. There exist several technologies with less or no environmental impact that can be used to reduce energy consumption of the buildings. Earth pipe cooling system is one of them, which works with a long buried pipe with one end for intake air and the other end for providing air cooled by soil to the building. It is an approach for cooling a room in a passive process without using any habitual mechanical unit. The paper investigates the thermal performance of a horizontal earth pipe cooling system in a hot and humid subtropical climatic zone in Queensland, Australia. An integrated numerical model for the horizontal earth pipe cooling system and the room (or building) was developed using ANSYS Fluent to measure the thermal performance of the system. The impact of air temperature, soil temperature, air velocity and relative humidity on room cooling performance has also been assessed. As the soil temperature was below the outdoor minimum temperature during the peak warming hours of the day, it worked as an effective heat sink to cool the room. Both experimental and numerical results showed a temperature reduction of 1.11oC in the room utilizing horizontal earth pipe cooling system which will assist to save the energy cost in the buildings.
Language eng
Field of Research 120202 Building Science and Techniques
Socio Economic Objective 850704 Residential Energy Conservation and Efficiency
HERDC Research category E1 Full written paper - refereed
ERA Research output type E Conference publication
Copyright notice ©2015, Presses Universitaires de Valenciennes
Persistent URL http://hdl.handle.net/10536/DRO/DU:30083645

Document type: Conference Paper
Collection: School of Engineering
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