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    Please use this identifier to cite or link to this item: http://tkuir.lib.tku.edu.tw:8080/dspace/handle/987654321/110358


    Title: Theoretical and experimental studies of direct contact membrane distillation modules with inserting W-shaped carbon-fiber spacers
    Authors: Chii-Dong Ho;Luke Chen;Jing-Yuan Lai;Choon Aun Ng
    Keywords: Membrane Processes;Hydrodynamics;Desalination, Permeate flux;Temperature polarization;Thermal boundary layer.
    Date: 2017-04
    Issue Date: 2017-06-09 02:10:27 (UTC+8)
    Publisher: Taylor & Francis
    Abstract: The modeling equations for predicting distillate flux in the flat-plate direct contact membrane distillation (DCMD) module with inserting W-shaped carbon-fiber spacers of various hydrodynamic angles in flow channels were developed theoretical 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 was 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.
    Relation: Desalination and Water Treatment 71, p.32-44
    DOI: 10.5004/dwt.2017.20533
    Appears in Collections:[化學工程與材料工程學系暨研究所] 期刊論文

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