Mean global radiation captured by inclined collectors at various surface azimuth angles in Nigeria

M. T. Oladiran

Applied Energy, 1995, vol. 52, issue 4, 317-330

Abstract: The use of solar energy is well established for low-grade thermal applications such as water heating and purification. In many of the solar systems, the collector surface located in the Northern Hemisphere faces the true south direction. However, there are occasions in which the radiation received by the collector at various orientations is desirable, such as a collector incorporated with a tracking system. The data for such situations are not available for several solar farms in Nigeria. Consequently, in this study, the average global radiation on flat surfaces was determined for three zones in Nigeria. The total insolation was obtained while the surface azimuth angle was varied between 0° and 75° at 15° intervals. The results are presented for three inclinations of the collector surface, namely L - 10, L, and L + 10 degrees respectively.

Date: 1995
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