Estimation of monthly mean daily diffuse radiation in China

Yingni Jiang

Applied Energy, 2009, vol. 86, issue 9, 1458-1464

Abstract: In this study, several equations are employed to estimate monthly mean daily diffuse solar radiation for eight typical meteorological stations in China. Estimated values are compared with measured values in terms of statistical error tests such as mean percentage error (MPE), mean bias error (MBE), root mean square error (RMSE). All the models fit the data adequately and can be used to estimate monthly mean daily diffuse solar radiation from global solar radiation and sunshine hours. This study finds that the quadratic model performed better than the other models: The measured values of monthly mean daily diffuse solar radiation for Kashi, Geermu, Shenyang, Chengdu and Zhengzhou stations are analyzed to test the generalization of the selected model. The model is found to be able to predict the measured data with good accuracy. Therefore, it is possible to estimate monthly mean daily diffuse solar radiation by using this equation.

Keywords: Monthly; mean; daily; diffuse; radiation; Global; solar; radiation; Sunshine; duration; Mean; percentage; error; Mean; bias; error; Root; mean; square; error (search for similar items in EconPapers)
Date: 2009
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (37)

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