Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Daytime urban heat island effect in high-rise and high-density residential developments in Hong Kong
AbstractNearly 60% of electrical energy use in Hong Kong is for space conditioning during summer months. The paper investigates the impact of design-related variables on outdoor micro level daytime heat island effect in residential developments in Hong Kong. The paper hypothesizes that the differences in outdoor temperatures within and between residential developments can be explained by the impact of design-related variables on the overall environment. Case studies of three large housing estates reveal urban heat island effect (UHI) in the order of 1.5°C within an estate, and 1.0°C between estates. The results indicate that energy efficient designs can be achieved by manipulating surface albedo, sky view factor and total height to floor area ratio (building massing) while maximizing cross ventilation.
Daytime urban heat island effect in high-rise and high-density residential developments in Hong Kong
AbstractNearly 60% of electrical energy use in Hong Kong is for space conditioning during summer months. The paper investigates the impact of design-related variables on outdoor micro level daytime heat island effect in residential developments in Hong Kong. The paper hypothesizes that the differences in outdoor temperatures within and between residential developments can be explained by the impact of design-related variables on the overall environment. Case studies of three large housing estates reveal urban heat island effect (UHI) in the order of 1.5°C within an estate, and 1.0°C between estates. The results indicate that energy efficient designs can be achieved by manipulating surface albedo, sky view factor and total height to floor area ratio (building massing) while maximizing cross ventilation.
Daytime urban heat island effect in high-rise and high-density residential developments in Hong Kong
Giridharan, R (Autor:in) / Ganesan, S (Autor:in) / Lau, S.S.Y (Autor:in)
Energy and Buildings ; 36 ; 525-534
28.12.2003
10 pages
Aufsatz (Zeitschrift)
Elektronische Ressource
Englisch
Daytime urban heat island effect in high-rise and high-density residential developments in Hong Kong
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