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Numerical simulation studies of the effect of membrane permeance on mass transfer enhancement driven by transient slip velocity

One of the most noteworthy achievements in reverse osmosis (RO) efficiency is the improvement in membrane permeance. Although current membranes offer higher permeance (and flux) than older RO membranes, increases in permeate flux are limited by concentration polarisation (CP) and fouling. Therefore,...

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Main Author: Lim, Soon Yee
Format: Thesis
Language:English
Published: 2020
Subjects:
QD Chemistry
TA Engineering (General). Civil engineering (General)
Online Access:http://umpir.ump.edu.my/id/eprint/35244/1/Numerical%20simulation%20studies%20of%20the%20effect%20of%20membrane%20permeance%20on%20mass%20transfer.wm.pdf
http://umpir.ump.edu.my/id/eprint/35244/
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spelling my.ump.umpir.352442023-05-24T03:36:44Z http://umpir.ump.edu.my/id/eprint/35244/ Numerical simulation studies of the effect of membrane permeance on mass transfer enhancement driven by transient slip velocity Lim, Soon Yee QD Chemistry TA Engineering (General). Civil engineering (General) One of the most noteworthy achievements in reverse osmosis (RO) efficiency is the improvement in membrane permeance. Although current membranes offer higher permeance (and flux) than older RO membranes, increases in permeate flux are limited by concentration polarisation (CP) and fouling. Therefore, innovation is needed to reduce CP to further increase permeate flux. An unsteady forced slip velocity can disrupt the boundary layer, thus reducing CP. This paper uses Computational Fluid Dynamics (CFD) to analyse the effect of membrane permeance on the resonant frequency for an unsteady forced slip velocity, as well as the resulting mass transfer enhancement. The results show that the resonant frequency of the unsteady forced slip velocity is not affected by the membrane permeance. Although the results show a peak in the mass transfer enhancement factor for permeance values in the range typically used for brackish water, In addition, this thesis found that that at any membrane permeance, slip velocity can increase the maximum shear stress ( 2020-12 Thesis NonPeerReviewed pdf en http://umpir.ump.edu.my/id/eprint/35244/1/Numerical%20simulation%20studies%20of%20the%20effect%20of%20membrane%20permeance%20on%20mass%20transfer.wm.pdf Lim, Soon Yee (2020) Numerical simulation studies of the effect of membrane permeance on mass transfer enhancement driven by transient slip velocity. Masters thesis, Universiti Malaysia Pahang (Contributors, Thesis advisor: Liang Yong, Yeow).
institution Universiti Malaysia Pahang
building UMP Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Malaysia Pahang
content_source UMP Institutional Repository
url_provider http://umpir.ump.edu.my/
language English
topic QD Chemistry
TA Engineering (General). Civil engineering (General)
spellingShingle QD Chemistry
TA Engineering (General). Civil engineering (General)
Lim, Soon Yee
Numerical simulation studies of the effect of membrane permeance on mass transfer enhancement driven by transient slip velocity
description One of the most noteworthy achievements in reverse osmosis (RO) efficiency is the improvement in membrane permeance. Although current membranes offer higher permeance (and flux) than older RO membranes, increases in permeate flux are limited by concentration polarisation (CP) and fouling. Therefore, innovation is needed to reduce CP to further increase permeate flux. An unsteady forced slip velocity can disrupt the boundary layer, thus reducing CP. This paper uses Computational Fluid Dynamics (CFD) to analyse the effect of membrane permeance on the resonant frequency for an unsteady forced slip velocity, as well as the resulting mass transfer enhancement. The results show that the resonant frequency of the unsteady forced slip velocity is not affected by the membrane permeance. Although the results show a peak in the mass transfer enhancement factor for permeance values in the range typically used for brackish water, In addition, this thesis found that that at any membrane permeance, slip velocity can increase the maximum shear stress (
format Thesis
author Lim, Soon Yee
author_facet Lim, Soon Yee
author_sort Lim, Soon Yee
title Numerical simulation studies of the effect of membrane permeance on mass transfer enhancement driven by transient slip velocity
title_short Numerical simulation studies of the effect of membrane permeance on mass transfer enhancement driven by transient slip velocity
title_full Numerical simulation studies of the effect of membrane permeance on mass transfer enhancement driven by transient slip velocity
title_fullStr Numerical simulation studies of the effect of membrane permeance on mass transfer enhancement driven by transient slip velocity
title_full_unstemmed Numerical simulation studies of the effect of membrane permeance on mass transfer enhancement driven by transient slip velocity
title_sort numerical simulation studies of the effect of membrane permeance on mass transfer enhancement driven by transient slip velocity
publishDate 2020
url http://umpir.ump.edu.my/id/eprint/35244/1/Numerical%20simulation%20studies%20of%20the%20effect%20of%20membrane%20permeance%20on%20mass%20transfer.wm.pdf
http://umpir.ump.edu.my/id/eprint/35244/
_version_ 1768006862148468736
score 13.211869

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