Journal of Solar Energy / 2014 / Article / Tab 1

Research Article

Empirical Models for Estimating Global Solar Radiation over the Ashanti Region of Ghana

Table 1

Summary of the regression constants used by different authors in the tropics as well as that proposed by this paper, based on sunshine hours.

Authora b Region of application

Turton (1987) [20]0.300.40Tropics
Fagbenle (1990) [21]0.280.39Tropics
Otu-Danquah (1990) [22]0.270.45Ghana (everywhere)
Jackson and Akuffo (1992) [23]0.250.45Kumasi, Ghana
Augustine and Nnabuchi (2009b) [18]0.290.42Tropics
Proposed model0.220.43Kumasi, Ghana

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