Study of solar radiation data for Hong Kong

被引:29
作者
Lam, JC
Li, DHW
机构
[1] Building Energy Conservation Unit, Dept. of Building and Construction, City Polytechnic of Hong Kong, Kowloon
关键词
global radiation; diffuse radiation; direct radiation; monthly average daily; monthly average hourly; clearness index; diffuse fraction;
D O I
10.1016/0196-8904(95)00179-4
中图分类号
O414.1 [热力学];
学科分类号
摘要
In 1991, a measuring station was set up at City Polytechnic of Hong Kong to measure hourly global and diffuse solar radiation. This paper describes the measurements made from 1991 to 1993 and some of the findings from the data observed. The frequency distribution and magnitude of the average solar radiation values are computed and examined. Symmetry of the solar radiation around solar noon and seasonal variations are noted and discussed. Monthly average daily clearness index (K-t) and diffuse fraction (K) for all months are determined, and their implications for clear and cloudy days estimation are remarked. Theoretical models to predict hourly radiation from daily values have been tested, and it has been found that the models are applicable to Hong Kong.
引用
收藏
页码:343 / 351
页数:9
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