AN EMPIRICAL MODEL FOR THE ESTIMATION OF GLOBAL AND DIFFUSE SOLAR RADIATION OVER YOLA, NORTH-EASTERN NIGERIA BASED ON AIR TEMPERATURE

  • Alkasim, A Modibbo Adama University of Technology,
  • Dikko, A.B. Modibbo Adama University of Technology,
  • Eyube, E.S. Modibbo Adama University of Technology,
DOI: https://doi.org/10.53555/as.v3i9.1354
Keywords: Global radiation,, Diffused radiation,, maximum/minimum daily temperatures,, clearness index, Empirical model

Abstract

Accurate measurement of solar radiation distribution over any geographical location is
desirable for the development of many solar thermal devices and their performance. A simple
model for prediction of monthly mean daily solar radiation on a horizontal surface for Yola
(longitude 10oE; latitude 9.23oN) was developed using a six (6) years data of daily
maximum/minimum temperature records at the recently installed NECOP meteorological
station in MAUTECH, Yola. The data was used to assess the applicability of global and
diffused solar radiation. The clearness index, KT for the study period indicated that the solar
radiation is available throughout thee year with a maximum value of 0.75 and minimum value
of 0.66 indicating that solar appliance can work in Yola throughout the year. The regression
constants a, b are 0.46, -0.82 respectively. The proposed model showed a very good agreement
with the measured data with RMSE, MBE, and MPE values as 1.983 MJm-2
, -1.623 MJm-2
and
6.18% respectively

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Author Biographies

Alkasim, A, Modibbo Adama University of Technology,

Department of Physics,

Dikko, A.B., Modibbo Adama University of Technology,

Department of Physics,

Eyube, E.S., Modibbo Adama University of Technology,

Department of Physics,

Published
2017-09-30
How to Cite
A, A., A.B., D., & E.S., E. (2017). AN EMPIRICAL MODEL FOR THE ESTIMATION OF GLOBAL AND DIFFUSE SOLAR RADIATION OVER YOLA, NORTH-EASTERN NIGERIA BASED ON AIR TEMPERATURE. IJRDO-Journal of Applied Science, 3(9), 14-24. https://doi.org/10.53555/as.v3i9.1354
Issue
Vol. 3 No. 9 (2017): IJRDO - Journal of Applied Science
Section
Articles

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