Empirical Model For The Estimation Of Global Solar Radiation In Makurdi, Nigeria

Dr. Isikwue

Empirical Model For The Estimation Of Global Solar Radiation In Makurdi, Nigeria

Dr. Isikwue * §

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§ Federal University of Agriculture PMB 2373 Makurdi, ...

Empirical Model For The Estimation Of Global Solar Radiation In Makurdi, Nigeria

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Abstract

This work proposes the coefficients for Angstrom -Prescott type of model for the estimation of global solar radiation in Makurdi, Nigeria using relative sunshine duration alongside the measured global solar radiation data (2001)(2002)(2003)(2004)(2005)(2006)(2007)(2008)(2009)(2010). The model constants a and b obtained in this investigation for Makurdi are .138 and 0.488 respectively. The correlation coefficient of 89% (P=0.00) between the clear sky index and relative sunshine duration, as well as the coefficient of determination, R2 of 79.5 obtained shows that this model fits the data very well. Hence, the very low mean standard error of 0.025 showed a good agreement between the measured and estimated global solar radiation. Consequently, the developed model in this work can be used with confidence for Makurdi, and other locations with similar climate conditions.

References

10 Cites in Article

Reference Format

A Angstrom (1924). Solar and Terrestrial Radiation.
J Prescott (1940). Evaporation from a Water Surface in Relation to Solar Radiation.
J Black,C Bonython,J Prescott (1954). Solar Radiation and Duration of Sunshine.
A Sambo (1986). Empirical models for the correlation of global solar radiation with meteorological data for Northern Nigeria.
F Burari,A Sambo (2001). Model for the Prediction of Global Solar Radiation for Bauchi, Using Meteorological Data.
E Okogbue,J Adedokun (2002). On the Estimation of Solar Radiation at Ondo, Nigeria.
L Akpabio,A Udoimuk,S Etuk,I Udo (2003). Comparison Of Diffuse Solar Radiation Models Using Data For Onne, Nigeria.
L Akpabio,A Udoimuk,S Etuk,I Udo (2004). Comparison Of Diffuse Solar Radiation Models Using Data For Onne, Nigeria.
E Falayi,J Adepitan,A Rabiu (2008). Empirical Models for the Correlation of Global Solar Radiation with Meteorological Data for Iseyin, Nigeria.
P Cooper (1969). The absorption of radiation in solar stills.

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Funding

No external funding was declared for this work.

Conflict of Interest

The authors declare no conflict of interest.

Ethical Approval

No ethics committee approval was required for this article type.

Data Availability

Not applicable for this article.

How to Cite This Article

Dr. Isikwue. 1969. "Empirical Model For The Estimation Of Global Solar Radiation In Makurdi, Nigeria". Global Journal of Science Frontier Research, Global Journal of Science Frontier Research - A: Physics & Space Science GJSFR-A Volume 12 (GJSFR Volume 12 Issue A1).

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GJSFR Volume 12 Issue A1

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Journal Specifications

Crossref Journal DOI 10.17406/GJSFR

Print ISSN 0975-5896

e-ISSN 2249-4626

Keywords

clear sky index empirical model and Makurdi extraterrestrial radiation global solar radiation Nigeria solar constant sunshine hours

Classification

GJSFR-A Classification FOR Code: 020109

Submission ReceivedNovember 15, 2011
Peer Review Double Blind
Handling Editor
Accepted December 5, 2011
Published December 16, 2011

Version of record

v1.2

Language

English

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Article Matrices

Total Score: 155

Country: Nigeria

Subject: Global Journal of Science Frontier Research

Authors: Dr. Isikwue, B.C.,Amah, A.N.,Agada, P. O (PhD/Dr. count: 1)

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Publish Date: 2011 12, Fri

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