Empirical Model for the Estimation of Global Solar Radiation in Yola, Nigeria

D.t Ogbaka and T Vandi
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D.t Ogbaka: Department of Pure and Applied Physics, Faculty of Science, Adamawa State University, Mubi, Adamawa State, Nigeria
T Vandi: Department of Pure and Applied Physics, Faculty of Science, Adamawa State University, Mubi, Adamawa State, Nigeria

International Journal of Research and Scientific Innovation, 2020, vol. 7, issue 5, 216-218

Abstract: Solar radiation measurement for particular location plays vital role for solar system design. This work proposes the coefficients for Angstrom – Prescott type of model for the estimation of global solar radiation in Yola, Nigeria using relative sunshine duration alongside the measured global solar radiation data (2014 – 2018). The model constants a and b obtained in this investigation for Yola are 0.267 and 0.461 respectively. The correlation coefficient of 85% (P=0.00) between the clear sky index and relative sunshine duration, as well as the coefficient of determination, R2 of 87.9 obtained shows that this model fits the data very well. Consequently, the developed model in this work can be used with confidence for Yola and other locations with similar climate conditions.

Date: 2020
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