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Enhanced mass and heat transfer in catalytic reactors

Paper ID Volume ID Publish Year Pages File Format Full-Text
54586 47016 2013 4 PDF Available
Title
Enhanced mass and heat transfer in catalytic reactors
Abstract

Mass and heat transfer in square ducts with one side containing a porous wall were simulated using large eddy simulation (LES). Increased wall normal turbulent intensity was observed along the porous wall compared to the smooth wall. Depending on the wall permeability the fluid elements penetrated to different depth resulting in enhanced mass and heat transfer rates. The larges effect was obtained for mass transfer in liquids with up to 20 times larger mass transfer rate, compared to smooth surfaces. An increased penetration into the porous wall was obtained with more open porous structure and with fluids having high density and low viscosity. Most benefit of the porous walls is obtained for fluids with high ρ/μ ratio and high Pr or Sc numbers i.e. for mass transfer in liquids.

Keywords
Structured catalyst; Mass and heat transfer
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Publisher
Database: Elsevier - ScienceDirect
Journal: Catalysis Today - Volume 216, 1 November 2013, Pages 117–120
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Catalysis
Get Full-Text Now
Don't Miss Today's Special Offer
Price was $35.95
You save - $31
Price after discount Only $4.95
100% Money Back Guarantee
Full-text PDF Download
Online Support
Any Questions? feel free to contact us