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

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Dr. Isikwue
Dr. Isikwue
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B.C.
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Amah
Amah
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Agada
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α Federal University of Agriculture PMB 2373 Makurdi, Benue State, Nigeria.

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

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. \u201cEmpirical Model For The Estimation Of Global Solar Radiation In Makurdi, Nigeria\u201d. 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
Pg. 59- 61
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Crossref Journal DOI 10.17406/GJSFR

Print ISSN 0975-5896

e-ISSN 2249-4626

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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.

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

Dr. Isikwue
Dr. Isikwue Federal University of Agriculture PMB 2373 Makurdi, Benue State, Nigeria.
B.C.
B.C.
Amah
Amah
A.N.
A.N.
Agada
Agada
P. O
P. O

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