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Theoretical analysis of the performance of a conical solar concentrator

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  • El-Refaie, M. F.

Abstract

This paper describes a study of the conical solar energy concentrator with tubular axial absorber. The concentrated power is evaluated, in a dimensionless form, as a function of the mirror surface quality and the absorber-to-aperture diameter ratio. The irradiated length of the absorber is determined and the axial concentration distribution along its surface is expressed mathematically. An integrated, or average, concentration ratio is used to measure the concentrating power of the reflector-absorber assembly. In addition to the mirror reflectivity, the performance is shown to be influenced by three parameters--the apex angle, the diameter ratio and the truncation ratio. The effects of these parameters on the concentrated power, the concentration profile and the reflector-surface area are investigated.

Suggested Citation

  • El-Refaie, M. F., 1982. "Theoretical analysis of the performance of a conical solar concentrator," Applied Energy, Elsevier, vol. 12(1), pages 37-51, September.
    • Handle: RePEc:eee:appene:v:12:y:1982:i:1:p:37-51
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    Cited by:

    1. Haedr Abdalha Mahmood Alsalame & Kang Kyeong Sik & Gwi Hyun Lee, 2024. "Comparative Numerical and Experimental Analyses of Conical Solar Collector and Spot Fresnel Concentrator," Energies, MDPI, vol. 17(21), pages 1-16, October.

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