Three simple prediction models of hourly global radiation, namely, a normal distribution model (ND), a half-sine wave model (HW), and a polynomial model (PO), are tested using data for a period of five years of the area of Amman, Jordan. The results show that none of these models alone can adequatel
Simple model for estimating global solar radiation
β Scribed by M. Abdel Wahab
- Publisher
- Elsevier Science
- Year
- 1985
- Weight
- 189 KB
- Volume
- 2
- Category
- Article
- ISSN
- 0741-983X
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β¦ Synopsis
A~tract--A variety of numerical models for calculation incoming solar radiation on horizontal surface are existing. The preferences of any model are due to level of accuracy and simplicity. In this paper, a one layer model is proposed (in case when layer information are not available). The error using the proposed model are about 69/o from mean measured radiation monthly basis.
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An empirical correlation for estimating monthly mean daily total solar radiation on a horizontal surface is suggested from latitude, altitude, sunshine duration, monthly mean dally maximum temperature and relative humidity. The suggested equation is tested for its applicability to southern Africa by