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Cotfas, Daniel Tudor, Cotfas, Petru Adrian, Kaplani, Eleni 
ORCID: https://orcid.org/0000-0002-4987-4388 and Samoila, Cornel
(2014)
Monthly average daily global and diffuse solar radiation based on sunshine duration and clearness index for Brasov, Romania.
Journal of Renewable and Sustainable Energy, 6 (5).
ISSN 1941-7012
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Abstract
The main objective of this study is to develop single location appropriate models for the estimation of the monthly average daily global and diffuse horizontal solar radiation for Brasov, Romania. The study focuses particularly on models based on the sunshine duration and clearness index. The data used for the calibration of the models were collected during a period of 4 yr, between November 2008 and October 2012, at the Transilvania University of Brasov. The testing and validation of the models was carried out using data from the online SoDa database for Brasov for the year 2005. Different statistical error tests were applied to evaluate the accuracy of the models. The predicted values are also compared with values from three other known models concerning the global and diffuse solar radiation. A new mixed model was developed for the estimation of monthly average daily global horizontal solar radiation. The data processing was performed by means of a real-time interface developed with LabVIEW graphical programming language. The parameters taken into account were the relative sunshine, the clearness index, the extraterrestrial radiation, the latitude and the longitude. The methodology is simple and effective and may be applied for any region. Its effectiveness was proven through comparison with global models.
| Item Type: | Article |
|---|---|
| Faculty \ School: | Faculty of Science > School of Mathematics |
| Related URLs: | |
| Depositing User: | Pure Connector |
| Date Deposited: | 11 Nov 2015 11:00 |
| Last Modified: | 21 Oct 2022 01:18 |
| URI: | https://ueaeprints.uea.ac.uk/id/eprint/55084 |
| DOI: | 10.1063/1.4896596 |
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