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Thermal analysis of a finned receiver for a central tower solar system

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  • Piña-Ortiz, A.
  • Hinojosa, J.F.
  • Pérez-Enciso, R.A.
  • Maytorena, V.M.
  • Calleja, R.A.
  • Estrada, C.A.

Abstract

In this study, a thermal analysis of a finned receiver prototype for a thermosolar tower system is presented. The experimental system consists of parallelepiped aluminum enclosure of 1.2 m high, 1.23 m wide and 0.1 m depth. At the interior, 1232 cylindrical fins with a diameter of 0.0095 m (3/8″) and 0.09 m length increases the heat transfer area up to 225%. The vertical wall receives the incoming solar concentrated radiation from a group of heliostats whilst at the interior a constant flow of water removes the absorbed energy. Experimental temperature profiles were obtained at different heights and depths and a comparison was made with numerical results obtained with the use of commercial CFD software. It was found that the maximum thermal efficiency of the receiver was 94.4%, decreasing as the radiative flux increases.

Suggested Citation

  • Piña-Ortiz, A. & Hinojosa, J.F. & Pérez-Enciso, R.A. & Maytorena, V.M. & Calleja, R.A. & Estrada, C.A., 2019. "Thermal analysis of a finned receiver for a central tower solar system," Renewable Energy, Elsevier, vol. 131(C), pages 1002-1012.
    • Handle: RePEc:eee:renene:v:131:y:2019:i:c:p:1002-1012
    DOI: 10.1016/j.renene.2018.07.123
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    References listed on IDEAS

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    1. Zheng, Zhang-Jing & Li, Ming-Jia & He, Ya-Ling, 2017. "Thermal analysis of solar central receiver tube with porous inserts and non-uniform heat flux," Applied Energy, Elsevier, vol. 185(P2), pages 1152-1161.
    2. Jaramillo, O.A. & Pérez-Rábago, C.A. & Arancibia-Bulnes, C.A. & Estrada, C.A., 2008. "A flat-plate calorimeter for concentrated solar flux evaluation," Renewable Energy, Elsevier, vol. 33(10), pages 2322-2328.
    3. Yao, Zhihao & Wang, Zhifeng & Lu, Zhenwu & Wei, Xiudong, 2009. "Modeling and simulation of the pioneer 1MW solar thermal central receiver system in China," Renewable Energy, Elsevier, vol. 34(11), pages 2437-2446.
    4. Li, Xin & Kong, Weiqiang & Wang, Zhifeng & Chang, Chun & Bai, Fengwu, 2010. "Thermal model and thermodynamic performance of molten salt cavity receiver," Renewable Energy, Elsevier, vol. 35(5), pages 981-988.
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    Cited by:

    1. Ghirardi, Elisa & Brumana, Giovanni & Franchini, Giuseppe & Perdichizzi, Antonio, 2021. "Heliostat layout optimization for load-following solar tower plants," Renewable Energy, Elsevier, vol. 168(C), pages 393-405.
    2. Fang, Shibiao & Mu, Lin & Tu, Wenrong, 2021. "Application design and assessment of a novel small-decentralized solar distillation device based on energy, exergy, exergoeconomic, and enviroeconomic parameters," Renewable Energy, Elsevier, vol. 164(C), pages 1350-1363.

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