Review of daylighting application in Hong Kong

Pao Yue-kong Library Electronic Theses Database

Review of daylighting application in Hong Kong

 

Author: Lee, Man-chung
Title: Review of daylighting application in Hong Kong
Degree: M.Sc.
Year: 2002
Subject: Hong Kong Polytechnic University -- Dissertations
Daylighting -- China -- Hong Kong
Interior lighting -- China -- Hong Kong
Department: Multi-disciplinary Studies
Dept. of Building Services Engineering
Pages: 132 leaves : ill. ; 30 cm
Language: English
InnoPac Record: http://library.polyu.edu.hk/record=b1661011
URI: http://theses.lib.polyu.edu.hk/handle/200/2943
Abstract: Hong Kong is located at the latitude 22c.18' north, longitude 114c10' east and experiences high exterior illuminance. However, the high building density results to inadequate space between buildings for obtaining sufficient daylight. With the advance development of daylight-linked photoelectric lighting control, it is reported that significant energy saving can be achieved. This thesis is aimed to review the relation of the architectural design and the interior daylighting illumination and to study the application of daylighting in commercial buildings in Hong Kong. The daylight factor method will be used for daylighting analysis in the thesis. The Superlite 2.0, a computer simulation program will be utilized for the calculation. The influence of daylight factor under different architectural design and sky conditions will be studied. It is found that the daylight factor is considerably affected by the external obstructions and window transmittance which will directly affect the amount of daylight getting into the interior spaces. The hourly solar radiation data from Macau Observatory Department is used to review the energy saving by incorporating daylight-linked photoelectrical control. It is found that up to 40% lighting energy can be saved for an obstruction free building. Finally, the regulations and guidance in Hong Kong related to the daylighting control and application are also illustrated.

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