太陽エネルギー利用のための分光日射量の測定と整理 : 第3報, 波長域別全天日射量に及ぼす大気諸因子の影響

概要

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Under the condition of hemispherical incidence, a spectral-global pyranometer with a cutoff filter is used to measure the spectral property of insolation. In order to investigate the property classified into wavelength ranges covered by this means, I (λ_C) and H (λ_C) of radiation energy ranged over the cutoff wavelength were made from the measurements and the calculations by applying Bird's model which designated the spectral property of insolation. Then the ratios of those to global insolations I_T and H_T, R_1 (λ_C) and R_H (λ_C), were determined, and, based on the resluts, the influence of solar altitude, precipitable water, atmospheric turbidity and albedo on those ratios was examined. Consequently, it was clarified that those factors had good influence on I (λ_C) and H (λ_C), and a negligible influence on R_1 (λ_C) and R_H (λ_C).
1997-05-25