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    題名: Theoretical and experimental studies of direct contact membrane distillation modules with inserting W-shaped carbon-fiber spacers
    作者: Chii-Dong Ho;Luke Chen;Jing-Yuan Lai;Choon Aun Ng
    關鍵詞: Air gap membrane distillation;Desalination;Relative roughness;Permeate flux;Temperature polarization
    日期: 2017-04
    上傳時間: 2018-10-25 12:10:41 (UTC+8)
    摘要: The modeling equations for predicting distillate flux in the flat-plate direct contact membrane distillation module with inserting W-shaped carbon-fiber spacers of various hydrodynamic angles in flow
    channels were developed theoretically and experimentally. The pure water productivity and temperature distributions of both hot and cold feed streams are represented graphically with the volumetric
    flow rate, inlet saline temperature as parameters, and the experimental data were incorporated with
    the slot opening of the spacers and hydrodynamic angle as parameters to validate the theoretical
    predictions. A description of the average Nusselt number was made to evolve a correlation for a heat
    transfer coefficient correction factor in incorporating with experimental data. The effects of operating
    and design parameters such as volumetric flow rate, slot opening and hydrodynamic angle of the
    spacers, and fluid inlet temperature on pure water productivity and production energy efficiency were
    also delineated.
    關聯: Journal of Desalination and Water Treatment 71(2017), p.32-44
    DOI: 10.5004/dwt.2017.20533
    顯示於類別:[水資源及環境工程學系暨研究所] 期刊論文

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