Optical and thermal analysis of trough-like concentrators

Aman Dang, J. K. Sharma, Alok Thakur and Ram Chandra

Applied Energy, 1983, vol. 13, issue 3, 195-214

Abstract: This paper presents an investigation of the optical and thermal properties of trough-like concentrators. The radiative and convective heat transfers through a trough concentrator have been evaluated. A simple analytical technique for calculating the average number of reflections and optical losses has been developed. Effective emissivity [var epsilon]eff and the collector efficiency [eta] increase with an increase in the concentration factor. Further, the efficiency decreases with an increase in the temperature of the absorber.

Date: 1983
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