Research Article

Comparative Estimation of Global Solar Radiation over Two Nigerian Cities, Using Artificial Neural Network and Empirical Models

Volume: 44 Number: 2 June 30, 2023
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Comparative Estimation of Global Solar Radiation over Two Nigerian Cities, Using Artificial Neural Network and Empirical Models

Abstract

The estimation of solar radiation intensity has been a focus of many researchers due to the cost of setting up its actual measurements. While many of them employed empirical models, this study utilizes the artificial neural network for the analysis and estimation of global solar radiation over two Nigerian cities. The model developed using sunshine hours, temperatures and relative humidity were compared with the existing empirical models. Model performance indicators comparing the measured data and the computed data for the derived and selected models, using the same number of input meteorological parameters showed that ANN having average values of RMSE, MBE, and MPE of 0.0744 MJm-2day-1, -0.0020 MJm-2day-1, and -0.0043%, respectively, performed slightly better. When different number of input meteorological parameters were used, the ANN gave the following error indicators for RMSE, MBE, MPE of 0.0394MJm-2day-1, -0.0023MJm-2day-1 and -0.0144% respectively. Also, in the result of solar radiation in Abuja, using the same number of meteorological parameters, the model with the best performance in the estimation of solar radiation is the ANN model with average values of RMSE, MBE, MPE of 0.1301MJm-2day-1, 0.0053MJm-2day-1 and 0.0441% respectively. Hence, the models are versatile for predicting global solar radiation in locations in the same climatic zones as locations studied in this study, where direct measurements of solar radiation is scarce and widely separated but there is availability of commonly measured meteorological parameters such as sunshine duration, minimum temperature, maximum temperature and relative humidity.

Keywords

Supporting Institution

The research is self sponsored.

References

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Details

Primary Language

English

Subjects

Environmental Sciences

Journal Section

Research Article

Authors

Oluwapelumi Ajilore
0000-0003-2544-0101
Nigeria

Paul Olaniyi
0000-0002-0922-3142
Nigeria

Publication Date

June 30, 2023

Submission Date

November 4, 2022

Acceptance Date

June 16, 2023

Published in Issue

Year 2023 Volume: 44 Number: 2

DOI

https://doi.org/10.17776/csj.1182017

IZ

https://izlik.org/JA39PC76HB

Cite

RIS / Bibtex
APA
Olatona, G. İ., Ajilore, O., Mutiu Alani, F., Olaniyi, P., & Tosin, M. (2023). Comparative Estimation of Global Solar Radiation over Two Nigerian Cities, Using Artificial Neural Network and Empirical Models. Cumhuriyet Science Journal, 44(2), 364-369. https://doi.org/10.17776/csj.1182017

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