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Significant depth of ground water table for thermal performance of salt gradient solar pond

Author

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  • Saxena, A.K.
  • Sugandhi, S.
  • Husain, M.

Abstract

In case of noninsulated salt gradient solar pond, heat losses through bottom and sides are significant. The magnitude of losses depends upon the location (depth) of water table, which act as a heat sink. Simulation analysis indicates that deeper the water table, lesser are the heat losses and higher is the temperature achieved by the pond. The present analysis, however, reveals two more significant conclusions – firstly; increase in depth of water table increases the maturation temperature and highest temperature of the pond, but does not affect the time of acquiring these temperatures. Secondly, there is a significant depth of water table, below which, further depression does not have significant impact on thermal performance of pond. This conclusion is of practical significance where efforts are done to depress the water table.

Suggested Citation

  • Saxena, A.K. & Sugandhi, S. & Husain, M., 2009. "Significant depth of ground water table for thermal performance of salt gradient solar pond," Renewable Energy, Elsevier, vol. 34(3), pages 790-793.
    • Handle: RePEc:eee:renene:v:34:y:2009:i:3:p:790-793
    DOI: 10.1016/j.renene.2008.04.040
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    References listed on IDEAS

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    1. Husain, M. & Patil, P.S. & Patil, S.R. & Samdarshi, S.K., 2003. "Computer simulation of salt gradient solar pond’s thermal behaviour," Renewable Energy, Elsevier, vol. 28(5), pages 769-802.
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    Cited by:

    1. Ding, L.C. & Akbarzadeh, A. & Tan, L., 2018. "A review of power generation with thermoelectric system and its alternative with solar ponds," Renewable and Sustainable Energy Reviews, Elsevier, vol. 81(P1), pages 799-812.
    2. Amigo, José & Suárez, Francisco, 2018. "Ground heat storage beneath salt-gradient solar ponds under constant heat demand," Energy, Elsevier, vol. 144(C), pages 657-668.
    3. Shi, Yufeng & Yin, Fang & Shi, Lihua & Wence, Sun & Li, Nan & Liu, Hong, 2011. "Effects of porous media on thermal and salt diffusion of solar pond," Applied Energy, Elsevier, vol. 88(7), pages 2445-2453, July.
    4. Amirifard, Masoumeh & Kasaeian, Alibakhsh & Amidpour, Majid, 2018. "Integration of a solar pond with a latent heat storage system," Renewable Energy, Elsevier, vol. 125(C), pages 682-693.

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