Global, direct and diffuse solar irradiance in Riyadh, Saudi Arabia

M.S. Al-Ayed, A.M. Al-Dhafiri and M. Bin Mahfoodh

Renewable Energy, 1998, vol. 14, issue 1, 249-254

Abstract: The regression coefficient of the well-known Angstrom correlation are determined for Riyadh city (the capital of Saudi Arabia) longitude 46° 14′E 24°55′N The relationship of the daily and monthly variation of the fraction of the diffuse solar irradiation to extrateresstrial HdHo = Kd and the clearness index HHo = KT are obtained. The variation of the values of the average daily global solar radiation against the month of the year is reported. The value of Kn defined as the ratio of direct normal Insolation, Hbn measured in Riyadh to direct normal solar extraterrestrial radiation with the KT and Kd were obtained. The daily diffused ratio HdH and the daily clearness index are shown as a function of the month of the year.

Keywords: Solar irradiation; Global solar irradiation; Saudi Arabia (search for similar items in EconPapers)
Date: 1998
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Citations: View citations in EconPapers (5)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:renene:v:14:y:1998:i:1:p:249-254

DOI: 10.1016/S0960-1481(98)00074-3

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