CHARACTERISTICS OF SOLAR-RADIATION AT SEBELE, GABORONE, BOTSWANA

被引：28
|
作者：
LUHANGA, PVC
ANDRINGA, J
机构：
[1] University of Botswana, Gaborone
来源：
SOLAR ENERGY | 1990年 / 44卷 / 02期
关键词：
D O I：
10.1016/0038-092X(90)90069-O
中图分类号：
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号：
0807 ; 0820 ;
摘要：
Linear regression analysis using the technique of least-squares has been performed on the global irradiation and the sunshine duration data recorded at Sebele Agricultural Research Station in Gaborone, Botswana, using the Angstrom-type relationships. The aim of the exercise was to check whether the scatter in the values of the regression parameters in Angstrom's equation can be reduced when we incorporate two effects mentioned by J. E. Hay, namely (i) multiple reflections of the radiation between the ground and the atmosphere and (ii) the performance characteristics of the sunshine recorder. The analysis shows that incorporation of Hay's effects does not reduce the scatter in the values of the regression parameters for Botswana data. © 1990.
引用
收藏
页码：77 / 81
页数：5
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