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Experimental wind load model for heliostats

Author

Listed:
  • Zang, Chuncheng
  • Wang, Zhifeng
  • Liu, Hong
  • Ruan, Yi

Abstract

Wind loads greatly affect the mechanical performance and tracking accuracy of heliostats. Therefore, the wind load must be accurately known to assure the operational reliability of heliostats. A simple wind load model was developed based on experiments on an actual heliostat rather than a wind tunnel heliostat model. The tested factors include the strain in the pedestal and the wind velocity at different heights. The test results were used to develop a mathematical wind load model for use in a finite element analysis of the heliostat. The finite element results agree with the experimental data; therefore, this experimental method provides a reference for wind-resistance designs of heliostats.

Suggested Citation

  • Zang, Chuncheng & Wang, Zhifeng & Liu, Hong & Ruan, Yi, 2012. "Experimental wind load model for heliostats," Applied Energy, Elsevier, vol. 93(C), pages 444-448.
    • Handle: RePEc:eee:appene:v:93:y:2012:i:c:p:444-448
    DOI: 10.1016/j.apenergy.2011.12.027
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    References listed on IDEAS

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    1. Peterka, J.A. & Bienkiewicz, B. & Hosoya, N. & Cermak, J.E., 1987. "Heliostat mean wind load reduction," Energy, Elsevier, vol. 12(3), pages 261-267.
    2. Wu, Zhiyong & Gong, Bo & Wang, Zhifeng & Li, Zhengnong & Zang, Chuncheng, 2010. "An experimental and numerical study of the gap effect on wind load on heliostat," Renewable Energy, Elsevier, vol. 35(4), pages 797-806.
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    Cited by:

    1. Ji, Baifeng & Qiu, Penghui & Xu, Fan & Liu, Qimin & Zhang, Xu & Zhang, Longya, 2023. "Concentrating efficiency loss of heliostat with multiple sub-mirrors under wind loads," Energy, Elsevier, vol. 281(C).

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