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Experimental study on an enhanced falling film evaporation–air flow absorption and closed circulation solar still

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  • Hongfei, Zheng

Abstract

An active regenerative solar still, 1.03 m2 in area, which can reuse the latent heat of condensation and the sensible heat of brine is constructed and tested under practical weather conditions. In this still, a considerable fraction of the latent and sensible heat is successfully recycled and utilized for preheating the feedstock and recycling air via a falling film evaporator–condenser. The thermal performance of the system is greatly improved because of the technology of the forced thin layer evaporation and film condensation used. As a result, the yield is about two to three times greater than that of a conventional single basin type solar still.

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  • Hongfei, Zheng, 2001. "Experimental study on an enhanced falling film evaporation–air flow absorption and closed circulation solar still," Energy, Elsevier, vol. 26(4), pages 401-412.
    • Handle: RePEc:eee:energy:v:26:y:2001:i:4:p:401-412
    DOI: 10.1016/S0360-5442(01)00007-X
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    References listed on IDEAS

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    1. Aboabboud, M.M. & Horvath, L. & Szépvölgy, J. & Mink, G. & Radhika, E. & Kudish, A.I., 1997. "The use of a thermal energy recycle unit in conjunction with a basin-type solar still for enhanced productivity," Energy, Elsevier, vol. 22(1), pages 83-91.
    2. Aboabboud, M.M. & Horvath, L. & Mink, G. & Yasin, M. & Kudish, A.I., 1996. "An energy saving atmospheric evaporator utilizing low grade thermal or waste energy," Energy, Elsevier, vol. 21(12), pages 1107-1117.
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    Cited by:

    1. Xuan, Qingdong & Li, Guiqiang & Lu, Yashun & Zhao, Bin & Zhao, Xudong & Pei, Gang, 2019. "The design, construction and experimental characterization of a novel concentrating photovoltaic/daylighting window for green building roof," Energy, Elsevier, vol. 175(C), pages 1138-1152.
    2. Nasr, Abdelaziz & Debbissi Hfaiedh, Chokri & Ben Nasrallah, Sassi, 2011. "Numerical study of evaporation by mixed convection of a binary liquid film," Energy, Elsevier, vol. 36(5), pages 2316-2327.

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