Prediction of ground-level solar radiation in Egypt

A model has been developed to predict both beam normal and diffuse components of solar radiation in Egypt. The data used were measured by the Egyptian Renewable Energy Development Organization (EREDO) through a period of 9 months in 1980 at Al-Ahram region, Egypt. The present equations have also bee...

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Bibliographic Details
Published in:Renewable energy 1991, Vol.1 (2), p.269-276
Main Authors: Abdel-Salam, M.S., El-Dib, A.F., Eissa, M.A.
Format: Article
Language:English
Subjects:
Applied sciences
Energy
Exact sciences and technology
Natural energy
Solar energy
Solar radiation
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Summary:A model has been developed to predict both beam normal and diffuse components of solar radiation in Egypt. The data used were measured by the Egyptian Renewable Energy Development Organization (EREDO) through a period of 9 months in 1980 at Al-Ahram region, Egypt. The present equations have also been applied to estimate the monthly mean daily global radiation for seven locations in Egypt: Cairo, Giza, Bahteem, Tahrir, Khargah, Matruh and Aswan. The measured data of these locations are published by the Egyptian Meteorological Authority (EMA). A correction factor related to cosine of latitude angle of the location has been introduced. Comparison with previous predictions indicates that the present calculations are more accurate.
ISSN:0960-1481
1879-0682
DOI:10.1016/0960-1481(91)90086-5