Comments on solar azimuth angle

S. Soulayman

Renewable Energy, 2018, vol. 123, issue C, 294-300

Abstract: Three appropriate relationships for determining the solar azimuth angle with respect to the south direction were considered for giving some comments on the available algorithms for solar azimuth angle calculation. The application of each of the trigonometric functions (sinγs, cosγs and tanγs, where γs is the solar azimuth) for determining γs is discussed with regard to the simplicity and generality. It was found that cosγs could be modified in a very simple way in order to be general in determining the solar azimuth angle all over the year. The modified cosγs was compared with those available in literature formulas and formulations with regard to the generality and simplicity. A comparison with available results is provided.

Keywords: Solar azimuth angle; South direction; Comments; Trigonometric functions applicability; Correction factors (search for similar items in EconPapers)
Date: 2018
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Citations: View citations in EconPapers (5)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:renene:v:123:y:2018:i:c:p:294-300

DOI: 10.1016/j.renene.2018.02.063

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