Implication of global warming on air-conditioned office buildings in Australia
Bell, John, Guan, Li-Shan, & Yang, Jay (2005) Implication of global warming on air-conditioned office buildings in Australia. In Sidwell, A. (Ed.) Proceedings of QUT Research Week 2005, Queensland University of Technology, Brisbane, Queensland, pp. 1354-1365.
With the accelerated trend of global warming, the thermal behavior of existing buildings, which were typically designed based on current weather data, may not be able to cope with the future climate. This paper quantifies, through computer simulations, the increased cooling loads imposed by potential global warming and probable indoor temperature increases due to possible undersized air-conditioning system. It is found from the sample office building examined that the existing buildings would generally be able to adapt to the increasing warmth of 2030 year Low and High scenarios projections and 2070 year Low scenario projection. However, for the 2070 year High scenario, the study indicates that the existing office buildings, in all capital cities except for Hobart, will suffer from overheating problems. When the annual average temperature increase exceeds 2°C, the risk of current office buildings subjected to overheating will be significantly increased. For existing buildings which are designed with current climate condition, it is shown that there is a nearly linear correlation between the increase of average external air temperature and the increase of building cooling load. For the new buildings, in which the possible global warming has been taken into account in the design, a 28-59% increase of cooling capacity under 2070 High scenario would be required to improve the building thermal comfort level to an acceptable standard.
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|Item Type:||Conference Paper|
|Keywords:||Building Thermal Behaviour, Office Building, Global Warming|
|Subjects:||Australian and New Zealand Standard Research Classification > BUILT ENVIRONMENT AND DESIGN (120000) > BUILDING (120200)|
|Divisions:||Past > QUT Faculties & Divisions > Faculty of Built Environment and Engineering|
Past > Schools > School of Engineering Systems
|Copyright Owner:||Copyright 2005 [please consult the authors]|
|Deposited On:||18 Jun 2009 00:32|
|Last Modified:||29 Feb 2012 23:13|
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