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Heliostat minimum radial spacing for no blocking and no shadowing condition

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  • Al-Rabghi, Omar M.
  • Elsayed, Moustafa M.

Abstract

In order to fully utilize the total heliostat reflected area and collect the maximum solar radiation for central receiver plants, one should minimize the heliostat shaded and blocked areas. This condition must be satisfied during the day and around the year. Based on the criterion of no blockings and no shadowing, the heliostat fields is subdivided into zones. Each zone is characterized by a predominant shadowing or blocking effect. The minimum yearly radial spacing between two adjacent heliostats for no blocking and no shadowing condition is calculated for all zones. Results for sites at latitude angles of 101°, 20°, 20° and 40°, and for daily operation periods of 4, 6 and 8 hours are obtained.

Suggested Citation

  • Al-Rabghi, Omar M. & Elsayed, Moustafa M., 1991. "Heliostat minimum radial spacing for no blocking and no shadowing condition," Renewable Energy, Elsevier, vol. 1(1), pages 37-47.
    • Handle: RePEc:eee:renene:v:1:y:1991:i:1:p:37-47
    DOI: 10.1016/0960-1481(91)90101-T
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    Cited by:

    1. Saghafifar, Mohammad & Gadalla, Mohamed & Mohammadi, Kasra, 2019. "Thermo-economic analysis and optimization of heliostat fields using AINEH code: Analysis of implementation of non-equal heliostats (AINEH)," Renewable Energy, Elsevier, vol. 135(C), pages 920-935.

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