Author: Wang, Jiawei
Title: Study on the elderly's outdoor thermal comfort in the housing estates in Hong Kong based on on-site measurement and numerical simulation
Advisors: Niu, Jianlei (BEEE)
Degree: M.Eng.
Year: 2022
Subject: Human comfort
Temperature -- Physiological effect
Older people -- Recreation
Hong Kong Polytechnic University -- Dissertations
Department: Department of Building Environment and Energy Engineering
Pages: vi, 88 pages : color illustrations
Language: English
Abstract: Outdoor activities are beneficial for the elderly's mental and physical health. However, the heat stress or uncomfortable outdoor thermal environments resulted from the inappropriate community or urban design may prevent the elderly from enjoying outdoor activities. In view of this, this study aims to investigate the impacts of the outdoor thermal environment on the behavior pattern of the elderly, and to provide the suggestions on improving thermal environments in residential communities.
Based on field investigation and network information collection, this study selected several sites in two public housing estates where the elderly live to conduct the meteorological measurement and passive observation of the elderly's attendance. Simultaneously, the thermal comfort of observed sites is simulated with the software 'ENVI-met' after verifying the accuracy of the software using the measured meteorological data. The observed elderly's behavior patterns were then discussed on the Physiological Equivalent Temperature (PET) and Universal Thermal Index (UTCI) thermal comfort maps obtained from the numerical simulation.
The result shows that, in cool season of Hong Kong, the elderly prefer a warm-biased thermal environment for rest but a cool-biased thermal environment for exercise, and the elderly also like to rest and do activities around green vegetation. Vegetation has obvious cooling and humidifying effect.
Rights: All rights reserved
Access: restricted access

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