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Flux Enhancement in Air Gap Membrane Distillation (Agmd)
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DOR
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20.1001.2.9919199705.1399.11.1.223.8
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نویسنده
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- - ,- -
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منبع
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كنگره مهندسي شيمي - 1399 - دوره : 11 - یازدهمین کنگره بین المللی مهندسی شیمی - کد همایش: 99191-99705
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چکیده
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In this research, the effect of feed flow rate at constant temperature and turbulency intensity at feed side stream of a membrane distillation on the system performance has been studied# in this case, a triangular patterned plate as a turbulence promoter was compared with a non-patterned one# they were tested with pure water for 3 h at 50 °c to investigate temperature polarization only as a decreasing factor of permeate flux# according to the results, when feed flow rate was 28#6 ml/s (laminar regime), the permeate flux increased by 5% for triangular pattern compared to the non-patterned plate# this result is due to a difference between generated eddies by the triangular pattern, augmentation of the turbulency and reducing the dead zones at the feed side which lead to alteration of temperature polarization#
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کلیدواژه
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Membrane Distillation ,Turbulence ,Patterned Surfaces ,Permeation Flux Enhancement
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آدرس
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Amirkabir University Of Technology (Tehran Polytechnic), Iran, Amirkabir University Of Technology (Tehran Polytechnic), Iran
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Authors
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