ソーラポンド塩水溶液の全透過率の現実に即した計算法 : 入射光の表面反射及び透過軌跡を考慮して〔熱工学, 内燃機関, 動力など〕

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With respect to four kinds of salt water solutions, NaCl, KCl, MgCl_2 and CaCl_2,for the working substance of a solar pond, the total transmittance in the salt gradient layer could be calculated more exactly by means of numerical and analytical methods under the real conditions. The relation between absorption coefficient and salt concentration of working substance was found in each monochromatic wavelength in the base of the data of the spectral transmittance measured by the authors. Subsequently, corresponding to the real phenomena under the consideration of reflection on the water surface and transmission locus in the water due to refraction of incident ray, we could calculate the total transmittance against the pond depth by integral method over wavelnegth. Next, a conventional method by 5-band, 8-band and 18-band divisions which were effective as practical use was applied to the calculation of the total transmittance approximately.
1998-04-25