Please use this identifier to cite or link to this item: http://ir.lib.seu.ac.lk/handle/123456789/2505
Title: Monthly mean hourly global solar radiation estimation
Authors: Nik, W.B.Wan
Ibrahim, M. Z.
Samo, K.B.
Muzathik, A.M.
Keywords: Hourly global radiation
Hourly radiation models
Statistical tests
Collares-Pereira and Rabl model
Issue Date: Jan-2012
Publisher: International Solar Energy Society
Citation: Solar Energy: The Official Journal of the International Solar Energy Society, 86 (1); 379–387.
Abstract: In this paper, selected empirical models were used to estimate the monthly mean hourly global solar radiation from the daily global radiation at three sites in the east coast of Malaysia. The purpose is to determine the most accurate model to be used for estimating the monthly mean hourly global solar radiation in these sites. The hourly global solar radiation data used for the validation of selected models were obtained from the Malaysian Meteorology Department and University Malaysia Terengganu Renewable Energy Station. In order to indicate the performance of the models, the statistical test methods of the normalized mean bias error, normalized root mean square error, correlation coefficient and t-statistical test were used. The monthly mean hourly global solar radiation values were calculated by using six models and the results were compared with corresponding measured data. All the models fit the data adequately and can be used to estimate the monthly mean hourly global solar radiation. This study finds that the Collares-Pereira and Rabl model performed better than the other models. Therefore the Collares-Pereira and Rabl model is recommended to estimate the monthly mean hourly global radiations for the east coast of Malaysia with humid tropical climate and in elsewhere with similar climatic conditions.
URI: http://ir.lib.seu.ac.lk/handle/123456789/2505
ISSN: 0038-092X
Appears in Collections:Research Articles

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