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Actinometric measurements of total solar radiation at normal incidence and its spectral distribution at Giza
Authors:M K Elnesr  N A Miss Hegazy
Institution:(1) Ein Shams University (college for Girls), Heliopolis, Cairo, Egypt;(2) National Research Centre, Dokki, Cairo, Egypt
Abstract:Summary Measurements of the total solar radiation at normal incidence and its spectral distribution have been undertaken for clear sky conditions, at Giza, from March 1961 to February 1962. A Linke-Feussner actinometer no 113 supplied with two standard Schott filters OG1 and RG2 has been used.The results obtained for a whole year have been presented graphically and studied as function of the air mass and as diurnal variation.
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