A Method of Preparing Future Hourly Weather Data for the Study of Global Warming Impact on the Built Environment

Bell, John, Guan, Li-Shan, & Yang, Jay (2005) A Method of Preparing Future Hourly Weather Data for the Study of Global Warming Impact on the Built Environment. In Sidwell, A (Ed.) Conference Proceedings: QUT Research Week 2005, 4 July - 5 July, 2005, Australia, Queensland, Brisbane.

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The dynamic interaction between building systems and external climate is extremely complex, involving a large number of difficult-to-predict variables. In order to study the impact of global warming on the built environment, the use of building simulation techniques together with forecast weather data are often necessary. Since all building simulation programs require hourly meteorological input data for their thermal comfort and energy evaluation, the provision of suitable weather data becomes critical. Based on a review of the existing weather data generation models, this paper presents an effective method to generate approximate future hourly weather data suitable for the study of the impact of global warming. Depending on the level of information available for the prediction of future weather condition, it is shown that either the method of retaining to current level, constant offset method or diurnal modelling method may be used to generate the future hourly variation of an individual weather parameter. An example of the application of this method to the different global warming scenarios in Australia is presented. Since there is no reliable projection of possible change in air humidity, solar radiation or wind characters, as a first approximation, these parameters have been assumed to remain at the current level. A sensitivity test of their impact on the building energy performance shows that there is generally a good linear relationship between building cooling load and the changes of weather variables of solar radiation, relative humidity or wind speed.

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ID Code: 25036
Item Type: Conference Paper
Refereed: Yes
Keywords: Building Simulation, Future Weather Data, Global Warming
ISBN: 1-74107-101-1
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
Deposited On: 17 Jun 2009 14:53
Last Modified: 01 Mar 2012 04:10

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