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Analysis of a parallel double glass solar still with separate condenser

Author

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  • El-Bahi, A.
  • Inan, D.

Abstract

A solar still designed and built at Physics department Hacettepe University, Ankara, Turkey (39° 57′N), utilizes direct and reflected (from a reflector) solar radiation incident on a parallel double glass cover, to evaporate sea or brackish water. Water vapor purges from the evaporator and diffuses to an integrated condenser due to pressure difference exists as a result of the volume ratio and temperature difference between the evaporator and condenser. A theoretical analysis based on the energy balance for different components of the unit was performed. Graphical analysis were presented to show the variations of solar radiation, ambient temperature, basin water temperature, vapor temperature and other important temperatures at different locations in the solar still. The productivity was in good agreement with what obtained by other authors and the efficiency was increased from 48% to more than 70% when the condenser cover was cooled down.

Suggested Citation

  • El-Bahi, A. & Inan, D., 1999. "Analysis of a parallel double glass solar still with separate condenser," Renewable Energy, Elsevier, vol. 17(4), pages 509-521.
    • Handle: RePEc:eee:renene:v:17:y:1999:i:4:p:509-521
    DOI: 10.1016/S0960-1481(98)00768-X
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    References listed on IDEAS

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    1. Rahim, Nabil A. & Taqi, Emad, 1992. "Comparison of free and forced condensing systems in solar desalination units," Renewable Energy, Elsevier, vol. 2(4), pages 405-410.
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    Cited by:

    1. Elango, C. & Gunasekaran, N. & Sampathkumar, K., 2015. "Thermal models of solar still—A comprehensive review," Renewable and Sustainable Energy Reviews, Elsevier, vol. 47(C), pages 856-911.
    2. He Fu & Min Dai & Hanwen Song & Xiaoting Hou & Fahid Riaz & Shuai Li & Ke Yang & Imran Ali & Changsheng Peng & Muhammad Sultan, 2021. "Updates on Evaporation and Condensation Methods for the Performance Improvement of Solar Stills," Energies, MDPI, vol. 14(21), pages 1-26, October.
    3. Kabeel, A.E. & Omara, Z.M. & Essa, F.A. & Abdullah, A.S., 2016. "Solar still with condenser – A detailed review," Renewable and Sustainable Energy Reviews, Elsevier, vol. 59(C), pages 839-857.
    4. Kabeel, A.E. & Hamed, A.M. & El-Agouz, S.A., 2010. "Cost analysis of different solar still configurations," Energy, Elsevier, vol. 35(7), pages 2901-2908.
    5. Muftah, Ali. F. & Alghoul, M.A. & Fudholi, Ahmad & Abdul-Majeed, M.M. & Sopian, K., 2014. "Factors affecting basin type solar still productivity: A detailed review," Renewable and Sustainable Energy Reviews, Elsevier, vol. 32(C), pages 430-447.
    6. Mohamed, A.S.A. & Shahdy, Abanob G. & Mohamed, Hany A. & Ahmed, M. Salem, 2023. "A comprehensive review of the vacuum solar still systems," Renewable and Sustainable Energy Reviews, Elsevier, vol. 184(C).
    7. Bhardwaj, R. & ten Kortenaar, M.V. & Mudde, R.F., 2015. "Maximized production of water by increasing area of condensation surface for solar distillation," Applied Energy, Elsevier, vol. 154(C), pages 480-490.
    8. Madhlopa, A. & Johnstone, C., 2009. "Numerical study of a passive solar still with separate condenser," Renewable Energy, Elsevier, vol. 34(7), pages 1668-1677.

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