Yieng Wei Tham
Sol-air temperature and daylight illuminance profiles for the UKCP09 data sets.
Tham, Yieng Wei; Muneer, Tariq
Abstract
To provide information on climate change, the UK Climate Impacts Programme (UKCIP) provided the latest UKCP09data to a resolution of 5 km square grids for the UK. Those datasets were used in this study along with the historical measured data for two locations—Bracknell (London) and Edinburgh—to critically analyse the likely changes that may occur in the sol-airtemperature and daylightilluminance profiles. These parameters have an important bearing on the design and function of buildings and building services.
Drastic increment of sol-airtemperature was found for the projected datasets. An increase of as much as 20.1 °C of sol-airtemperature for dark-coloured surface was found for Edinburgh and 13.3 °C for Bracknell. These increments may be due to the compound effect of change in the constituent variables that are used to calculate sol-airtemperature, i.e. solar radiation, wind speed and dry bulb temperature. A sensitivity test was carried out to see the effect of each variable on sol-airtemperature.
An increasing trend of daylight was also found in the datasets. This is attributed to the changing clarity of the sky condition. The predictions indicate a radical change in the characteristics of solar climate, i.e. from the present diffuse fraction of total irradiation of 0.37 which indicates mild turbidity to a drop of 0.13 indicating clear skies with exceptionally low turbidity.
Journal Article Type | Article |
---|---|
Publication Date | 2011 |
Deposit Date | Apr 12, 2012 |
Journal | Building and Environment |
Print ISSN | 0360-1323 |
Electronic ISSN | 1873-684X |
Publisher | Elsevier |
Peer Reviewed | Peer Reviewed |
Volume | 46 |
Pages | 1243-1250 |
DOI | https://doi.org/10.1016/j.buildenv.2010.11.014 |
Keywords | Sol-air temperature; Daylight illuminance; Solar radiation; Climate change; |
Public URL | http://researchrepository.napier.ac.uk/id/eprint/5123 |
Publisher URL | http://dx.doi.org/10.1016/j.buildenv.2010.11.014 |
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