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Wind-induced dynamic response of Heliostat

Author

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  • Gong, Bo
  • Li, Zhengnong
  • Wang, Zhifeng
  • Wang, Yingge

Abstract

Large-area, glass-metal heliostats have collection areas in the range of 100 m2–200 m2. The heliostats of Solar Tower power station, with high accuracy requirements during performance, are located at open terrain or suburban terrain and they are sensitive to gust. Therefore, wind load and wind-induced response should be an important factor in design. In this paper, experimental investigation of rigid heliostat model in wind tunnel under 3-dimensional wind loads was conducted. The obtained maximum wind forces coefficients and the corresponding wind directions are compared with the results of the measurements of Peterka et al. A finite element model is developed to calculate the wind-induced displacement, the equivalent stress and the structural natural vibration frequency of the heliostat. The results show that, under fluctuating wind pressure, the maximum displacement of the structure occurred at corners of upper parts and the level of the maximum equivalent stress in the rotation axis is higher than that in other components of the heliostat. A favorable stow position to resist wind loads is also suggested on the basis of the result analysis in this paper.

Suggested Citation

  • Gong, Bo & Li, Zhengnong & Wang, Zhifeng & Wang, Yingge, 2012. "Wind-induced dynamic response of Heliostat," Renewable Energy, Elsevier, vol. 38(1), pages 206-213.
    • Handle: RePEc:eee:renene:v:38:y:2012:i:1:p:206-213
    DOI: 10.1016/j.renene.2011.07.025
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    Citations

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    Cited by:

    1. Mammar, Mohamed & Djouimaa, Sihem & Gärtner, Ulrich & Hamidat, Abderrahmane, 2018. "Wind loads on heliostats of various column heights: An experimental study," Energy, Elsevier, vol. 143(C), pages 867-880.
    2. Sun, Honghang & Gong, Bo & Yao, Qiang, 2014. "A review of wind loads on heliostats and trough collectors," Renewable and Sustainable Energy Reviews, Elsevier, vol. 32(C), pages 206-221.
    3. Zuo, Hongyan & Tan, Jiqiu & Wei, Kexiang & Huang, Zhonghua & Zhong, Dingqing & Xie, Fuchun, 2021. "Effects of different poses and wind speeds on wind-induced vibration characteristics of a dish solar concentrator system," Renewable Energy, Elsevier, vol. 168(C), pages 1308-1326.
    4. Clifford K. Ho, 2014. "Computational fluid dynamics for concentrating solar power systems," Wiley Interdisciplinary Reviews: Energy and Environment, Wiley Blackwell, vol. 3(3), pages 290-300, May.
    5. Hall, Lisa M.H. & Buckley, Alastair R., 2016. "A review of energy systems models in the UK: Prevalent usage and categorisation," Applied Energy, Elsevier, vol. 169(C), pages 607-628.
    6. Gong, Bo & Wang, Zhifeng & Li, Zhengnong & Zang, Chuncheng & Wu, Zhiyong, 2013. "Fluctuating wind pressure characteristics of heliostats," Renewable Energy, Elsevier, vol. 50(C), pages 307-316.
    7. Clarke, Christopher E. & Hart, Philip S. & Schuldt, Jonathon P. & Evensen, Darrick T.N. & Boudet, Hilary S. & Jacquet, Jeffrey B. & Stedman, Richard C., 2015. "Public opinion on energy development: The interplay of issue framing, top-of-mind associations, and political ideology," Energy Policy, Elsevier, vol. 81(C), pages 131-140.
    8. Bendjebbas, H. & Abdellah-ElHadj, A. & Abbas, M., 2016. "Full-scale, wind tunnel and CFD analysis methods of wind loads on heliostats: A review," Renewable and Sustainable Energy Reviews, Elsevier, vol. 54(C), pages 452-472.
    9. Emes, Matthew J. & Ghanadi, Farzin & Arjomandi, Maziar & Kelso, Richard M., 2018. "Investigation of peak wind loads on tandem heliostats in stow position," Renewable Energy, Elsevier, vol. 121(C), pages 548-558.
    10. Abiola-Ogedengbe, Ayodeji & Hangan, Horia & Siddiqui, Kamran, 2015. "Experimental investigation of wind effects on a standalone photovoltaic (PV) module," Renewable Energy, Elsevier, vol. 78(C), pages 657-665.

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