The Influence of Surface Irregularity of Building Facade on its Thermal Performance
Refereed conference paper presented and published in conference proceedings


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AbstractUrban heat island effect has been intensified due to rapid urbanization. The intra-urban temperature rises resulted in a higher energy demand for temporal thermal comfort inside the building. Anthropogenic heat is further released worsening the urban heat island effect. Inhabitants of urban areas are trapped in such a vicious circle. The aim of this study is to reduce energy generation demand for mechanical air-conditioning system, especially in summer, by means of optimising overall urban and building albedo through modifying surface geometry, and hence thermal performance, such as reflectance, emittance, transmittance and admittance of each building envelope. This study at first examined the influence of surface irregularity of external vertical wall on its temperature gradient so as to establish an understanding about the effect of geometrical structure of building facade on its thermal admittance and transmittance.
All Author(s) ListAlan Lai, Edward Ng
Name of ConferenceCISBAT 2013 - Cleantech for Smart Cities & Buildings - From Nano to Urban Scale
Start Date of Conference04/09/2013
End Date of Conference06/09/2013
Place of ConferenceLausanne
Country/Region of ConferenceSwitzerland
Proceedings TitleCISBAT 2013 Proceedings
Year2013
Month9
Volume Number1
PublisherEPFL
Pages271 - 276
ISBN978-2-8399-1281-5
eISBN978-2-8399-1280-8
LanguagesEnglish-United States
Keywordsalbedo, surface irregularity, building facade, surface temperature, urban heat island

Last updated on 2020-04-07 at 02:18