Energy delivery of solar thermal collectors in Zimbabwe

Tawanda Hove

Renewable Energy, 2000, vol. 19, issue 4, 495-511

Abstract: The long-term annual thermal energy delivery per unit of collector area of commonly used collector types and configurations, for a range of operating temperatures, are calculated for representative locations in Zimbabwe. A well-known model found in the literature is the basic tool of analysis, the only modifications being, the use of a locally-derived correlation of the monthly average diffuse fraction of hemispherical radiation to the monthly average clearness index, and the use of temperature-dependent collector heat loss coefficients. The results are presented as plots of annual specific thermal energy output against collector receiver temperature gain (Tr−Ta).

Date: 2000
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Persistent link: https://EconPapers.repec.org/RePEc:eee:renene:v:19:y:2000:i:4:p:495-511

DOI: 10.1016/S0960-1481(99)00080-4

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