Estimation of monthly mean daily diffuse radiation in China |
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| Authors: | Yingni Jiang |
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| Affiliation: | Department of Architecture Engineering, Engineering College of Armed Police Force, Xi’an 710086, China; School of Energy and Power Engineering, Xi’an Jiaotong University, Xi’an 710049, China |
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| 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: |
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| Keywords: | Monthly mean daily diffuse radiation Global solar radiation Sunshine duration Mean percentage error Mean bias error Root mean square error |
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