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An index to evaluate the amount of the solar radiation for a surface with eight directions

Author(s): Yuki Koyamatsu, Atushi Shiota, Yasunori Mitani, Yaser Soliman Qudaih, Kiyotaka Fuji
Department of Electrical and Electronic Engineering, Kyushu Institute of Technology, Kitakyushu,804-8550, Japan
International Journal of Smart Grid and Clean Energy, vol. 4, no. 3, July 2015: pp. 241-246
ISSN: 2315-4462 (Print)
ISSN: 2373-3594 (Online)
Digital Object Identifier: 10.12720/sgce.4.3.241-246

Abstract: The utilization of renewable energy and solar energy in specific is rapidly increasing in Japan. This research, it is proposes a method to find the most efficient angle and direction for the solar radiation when the solar power is introduced by using Geographic Information System (GIS) in Kitakyushu city, Fukuoka Prefecture as an example. The results revealed that the south facing angle of 25 degrees is the most efficient angle on the solar power for Kitakyushu city, Fukuoka Prefecture, Japan. The results are promising and required for the best utilization of solar energy in Japan. The method is applicable anywhere in the world with the availability of GIS data access.
Keywords: Geographic Information System, Solar radiation, solar power

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