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Experiment and simulation method to investigate the flow within porous ceramic membrane

Experiment and simulation method to investigate the flow within porous ceramic membrane It is efficient to recover water and latent heat from flue gas by using a porous ceramic membrane. In this paper, an experimental and numerical simulation is used for studying the heat transfer and flow of fluid in the ceramic tube in a porous membrane. The experimental data shows that the inlet velocity of feed gas and porosity of membrane enhance the heat and mass transfer performance of membranes when the range of which is 0.65–2.87 m/s and 60–78% respectively. Based on the minimum entransy dissipation, the Lagrange multiplier method is used to deduce the optimal momentum equation, which is interpreted by user definition functions (UDF) of FLUENT 15.0. A numerical study is carried out by varying Reynolds number, thickness of condensate, and values of momentum loss in this paper. The results show that the mass flux of water recovery is 0.25 kg/m2.h when Re was in range of 2.17 × 102~1.13 × 103, thickness of condensation film (δ con ) is close to 0.02 mm, and membrane porosity (ф) is close to 70%. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Journal of the Australian Ceramic Society Springer Journals

Experiment and simulation method to investigate the flow within porous ceramic membrane

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References (31)

Publisher
Springer Journals
Copyright
Copyright © 2018 by Australian Ceramic Society
Subject
Materials Science; Ceramics, Glass, Composites, Natural Materials; Materials Engineering; Inorganic Chemistry
ISSN
2510-1560
eISSN
2510-1579
DOI
10.1007/s41779-018-0186-3
Publisher site
See Article on Publisher Site

Abstract

It is efficient to recover water and latent heat from flue gas by using a porous ceramic membrane. In this paper, an experimental and numerical simulation is used for studying the heat transfer and flow of fluid in the ceramic tube in a porous membrane. The experimental data shows that the inlet velocity of feed gas and porosity of membrane enhance the heat and mass transfer performance of membranes when the range of which is 0.65–2.87 m/s and 60–78% respectively. Based on the minimum entransy dissipation, the Lagrange multiplier method is used to deduce the optimal momentum equation, which is interpreted by user definition functions (UDF) of FLUENT 15.0. A numerical study is carried out by varying Reynolds number, thickness of condensate, and values of momentum loss in this paper. The results show that the mass flux of water recovery is 0.25 kg/m2.h when Re was in range of 2.17 × 102~1.13 × 103, thickness of condensation film (δ con ) is close to 0.02 mm, and membrane porosity (ф) is close to 70%.

Journal

Journal of the Australian Ceramic Society – Springer Journals

Published: Apr 11, 2018

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