Further investigation of empirically derived models with multiple predictors in estimating monthly average daily diffuse solar radiation over China

Huashan Li, Xianbiao Bu, Yongwang Lian, Liang Zhao and Weibin Ma

Renewable Energy, 2012, vol. 44, issue C, 469-473

Abstract: Two models based on Li et al. (2011) are developed for general application in estimating the monthly average daily diffuse solar radiation in China. The validation of these models is performed by comparing with four existing empirical models against the measured data. It is found that the proposed models have better performance than these existing models. This study further argues that ambient temperature and relative humidity incorporated into empirical models can generally improve its estimates. Hence, the two models can be recommended for general application in estimating the monthly average daily diffuse solar radiation in China.

Keywords: Diffuse solar radiation; Clearness index; Relative sunshine duration; Ambient temperature; Relative humidity (search for similar items in EconPapers)
Date: 2012
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Citations: View citations in EconPapers (13)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:renene:v:44:y:2012:i:c:p:469-473

DOI: 10.1016/j.renene.2012.01.104

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