Performance assessment of earth pipe cooling system for low energy buildings in a subtropical climate

Ahmed, S F, Khan, M M K, Oo, A M T, Rasul, M G and Hassan, N M S 2015, Performance assessment of earth pipe cooling system for low energy buildings in a subtropical climate, Energy conversion and management, vol. 106, pp. 815-825, doi: 10.1016/j.enconman.2015.10.030.

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Title Performance assessment of earth pipe cooling system for low energy buildings in a subtropical climate
Author(s) Ahmed, S F
Khan, M M K
Oo, A M TORCID iD for Oo, A M T
Rasul, M G
Hassan, N M S
Journal name Energy conversion and management
Volume number 106
Start page 815
End page 825
Total pages 11
Publisher Elsevier
Place of publication Amsterdam, The Netherlands
Publication date 2015-12
ISSN 0196-8904
Keyword(s) Passive cooling
Earth pipe cooling
Energy savings
Thermal comfort
Subtropical climate
Summary Energy consumption in heating and cooling around the world has been a major contributor to global warming. Hence, many studies have been aimed at finding new techniques to save and control energy through energy efficient measures. Most of this energy is used in residential, agricultural and commercial buildings. It is therefore important to adopt energy efficiency measures in these buildings through new technologies and novel building designs. These new building designs can be developed by employing various passive cooling systems. Earth pipe cooling is one of these which can assist to save energy without using any customary mechanical units. This paper investigates the earth pipe cooling performance in a hot humid subtropical climate of Rockhampton, Australia. A thermal model is developed using ANSYS Fluent for measuring its performance. Impacts of air velocity, air temperature, relative humidity and soil temperature on room cooling performance are also assessed. A temperature reduction of around 2 °C was found for the system. This temperature reduction contributed to an energy saving of a maximum of 866.54 kW (8.82%) per year for a 27.23 m3 room.
Language eng
DOI 10.1016/j.enconman.2015.10.030
Field of Research 0906 Electrical And Electronic Engineering
091305 Energy Generation, Conversion and Storage Engineering
Socio Economic Objective 960302 Climate Change Mitigation Strategies
HERDC Research category C1 Refereed article in a scholarly journal
ERA Research output type C Journal article
Copyright notice ©2015, Elsevier
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