Thermal comfort in public housing estates in high-density cities under near-extreme summer conditions
Refereed conference paper presented and published in conference proceedings

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AbstractIn Hong Kong, over 40% of the population reside in public housing estates and the majority of the occupants are elderly and people with disabilities, making them more vulnerable to extreme hot weather. Under near-extreme summer conditions, the poor conditions of thermal comfort is accentuated due to the high air temperature and exposure of solar radiation. The objectives of the present study is to examine the thermal comfort conditions in two common types of buildings in public housing estates in Hong Kong under typical and near-extreme summer conditions. Numerical modelling was used to obtain information about the PMV values and air temperature in the units of the two dwelling types. Results suggested that the level of thermal comfort varies across these two types of buildings. It was found that the more recent building type (Harmony) generally provides better thermal comfort in dwellings. It also exhibits smaller increase in thermal discomfort under near-extreme summer conditions in terms of maximum PMV values recorded. Further work will focus on identifying design parameters that are potentially influential to thermal comfort and the corresponding effect on energy consumption under different meteorological conditions, which will be incorporated into design recommendations in subsequent stage of the study.
All Author(s) ListKevin Ka-Lun Lau, Yu-Ting Kwok, Justin Ching-Kwan Ho, Pak-wai Chan, Edward Yan-Yung Ng
Name of Conference33rd International Conference on Passive and Low Energy Architecture (PLEA2017)
Start Date of Conference03/07/2017
End Date of Conference05/07/2017
Place of ConferenceEdinburgh
Country/Region of ConferenceGreat Britain
Proceedings TitleProceedings of 33rd PLEA International Conference - Design to Thrive
Volume Number1
PublisherNetwork for Comfort and Energy Use in Buildings (NCEUB) 2017
Pages1179 - 1186
LanguagesEnglish-United Kingdom
KeywordsThermal comfort, high-density cities, near-extreme summer, summer reference year

Last updated on 2018-08-05 at 12:20