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A new study on the end loss effect for parabolic trough solar collectors

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  • Li, Ming
  • Xu, Chengmu
  • Ji, Xu
  • Zhang, Peng
  • Yu, Qiongfen

Abstract

In this paper, the end loss effect of arbitrary oriented parabolic trough solar collectors (PTC) is analyzed and discussed, the methods to reduce or compensate the end loss effect by extending heat absorber tube, setting a fan-shaped end plane mirror (FS-EPM) at one end of PTC and inclining PTC are studied, relevant optical analyses are performed, the formulae for calculating the optical end loss ratio and the increased optical efficiency of PTC improved with these reduction or compensation methods are given, and the applicable conditions for these methods are discussed. A five-meter long PTC experimental system was used for testing the increased thermal efficiencies of PTC with these methods. The experimental results (increased thermal efficiencies) are agreed with theoretical results (increased optical efficiencies), which proves that these reduction or compensation methods are feasible and effective. All these works can provide some valuable references to the further study and application on high-efficiency trough solar collecting systems.

Suggested Citation

  • Li, Ming & Xu, Chengmu & Ji, Xu & Zhang, Peng & Yu, Qiongfen, 2015. "A new study on the end loss effect for parabolic trough solar collectors," Energy, Elsevier, vol. 82(C), pages 382-394.
    • Handle: RePEc:eee:energy:v:82:y:2015:i:c:p:382-394
    DOI: 10.1016/j.energy.2015.01.048
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    References listed on IDEAS

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    1. Zhai, H. & Dai, Y.J. & Wu, J.Y. & Wang, R.Z., 2009. "Energy and exergy analyses on a novel hybrid solar heating, cooling and power generation system for remote areas," Applied Energy, Elsevier, vol. 86(9), pages 1395-1404, September.
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    3. Xu, Chengmu & Chen, Zhiping & Li, Ming & Zhang, Peng & Ji, Xu & Luo, Xi & Liu, Jiangtao, 2014. "Research on the compensation of the end loss effect for parabolic trough solar collectors," Applied Energy, Elsevier, vol. 115(C), pages 128-139.
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    5. Kalogirou, Soteris A, 2002. "Parabolic trough collectors for industrial process heat in Cyprus," Energy, Elsevier, vol. 27(9), pages 813-830.
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    Cited by:

    1. Zou, Bin & Dong, Jiankai & Yao, Yang & Jiang, Yiqiang, 2016. "An experimental investigation on a small-sized parabolic trough solar collector for water heating in cold areas," Applied Energy, Elsevier, vol. 163(C), pages 396-407.
    2. Salgado Conrado, L. & Rodriguez-Pulido, A. & Calderón, G., 2017. "Thermal performance of parabolic trough solar collectors," Renewable and Sustainable Energy Reviews, Elsevier, vol. 67(C), pages 1345-1359.
    3. Yang, Moucun & Moghimi, M.A. & Zhu, Yuezhao & Qiao, Runpeng & Wang, Yinfeng & Taylor, Robert A., 2020. "Optical and thermal performance analysis of a micro parabolic trough collector for building integration," Applied Energy, Elsevier, vol. 260(C).
    4. Reddy, K.S. & Ananthsornaraj, C., 2020. "Design, development and performance investigation of solar Parabolic Trough Collector for large-scale solar power plants," Renewable Energy, Elsevier, vol. 146(C), pages 1943-1957.
    5. Li, Zeng-Yao & Huang, Zhen & Tao, Wen-Quan, 2016. "Three-dimensional numerical study on fully-developed mixed laminar convection in parabolic trough solar receiver tube," Energy, Elsevier, vol. 113(C), pages 1288-1303.
    6. Manikandan, G.K. & Iniyan, S. & Goic, Ranko, 2019. "Enhancing the optical and thermal efficiency of a parabolic trough collector – A review," Applied Energy, Elsevier, vol. 235(C), pages 1524-1540.

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