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A Study on the Analysis of Solar Radiation Characteristics on a High Elevated Area  

Jo, Dok-Ki (Korea Institute of Energy Research)
Kang, Young-Heack (Korea Institute of Energy Research)
Auh, Chung-Moo (Korea Institute of Energy Research)
Publication Information
Journal of the Korean Solar Energy Society / v.23, no.3, 2003 , pp. 23-28 More about this Journal
Abstract
The purpose of this study is to procure basic data to be used for solar power plant and concentrating collector designs. Site elevation is one of the major factors which influences the incoming insolation to the earth surface. Because the nonpermanent gases such as ozone, water vapor are unmixed components of the atmosphere and their concentrations are the function of height, the site elevation effects the relative proportion of the atmospheric constituents. We have measured solar radiation on Jiri Mt. (1,400m) and in Gurye area(115m) at the near same latitude. These values were then compared to obtain their characteristics and to investigate the potential for the solar utilization for both high and low elevated areas. From the experimental results, we concluded that 1) Daily mean horizontal global radiation and normal beam radiation on Mt. Jiri are 9.5%, and 35.3% higher than Gurye area respectively for a clear day. 2) A significant difference in atmospheric clearness index is observed between Mt. Jiri and Gurye areas.
Keywords
Total solar radiation; Beam radiation; Diffuse radiation; Extraterrestrial radiation; Clear sky radiation;
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