Effect of Solvent Contribution on Thermally Developing Flow of FENE-P Fluids between Parallel Plates

Numerical computation of thermally developing laminar flow of viscoelastic FENE-P fluids flowing between two stationary parallel plates is investigated using the finite element technique. The influence of the effect of the solvent contribution as well as the fluid rheology on the flow field and heat...

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Main Authors: A. Filali, L. Khezzar, M. Alshehhi, Z. Nemouchi
Format: Article
Language:English
Published: Isfahan University of Technology 2018-01-01
Series:Journal of Applied Fluid Mechanics
Subjects:
Online Access:http://jafmonline.net/JournalArchive/download?file_ID=44247&issue_ID=246
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author A. Filali
L. Khezzar
M. Alshehhi
Z. Nemouchi
author_facet A. Filali
L. Khezzar
M. Alshehhi
Z. Nemouchi
author_sort A. Filali
collection DOAJ
description Numerical computation of thermally developing laminar flow of viscoelastic FENE-P fluids flowing between two stationary parallel plates is investigated using the finite element technique. The influence of the effect of the solvent contribution as well as the fluid rheology on the flow field and heat transfer enhancement is investigated for the case of imposed constant wall heat flux and neglected viscous dissipation. Numerical results for flow field are compared first against available analytical solutions with and without inclusion of the solvent contribution. The obtained results for the viscoelastic case show that increasing Weissenberg number (We) leads to an increase in Nusselt number (Nu) while high values of the extensibility parameter (L2) decrease the Nusselt number. Fully developed Nusselt number values for FENE-P fluids flowing between two fixed parallel plates are obtained for several values of polymer concentration and the study confirms quantitatively that polymer concentration enhances heat transfer rates in FENE-P fluids.
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spelling doaj.art-2ebb7cee8e9c4146a374a2048a1837402022-12-21T20:55:47ZengIsfahan University of TechnologyJournal of Applied Fluid Mechanics1735-35722018-01-0111119.Effect of Solvent Contribution on Thermally Developing Flow of FENE-P Fluids between Parallel PlatesA. Filali0L. Khezzar1M. Alshehhi2Z. Nemouchi3Chemical Engineering Department, Imperial College London, London, UKMechanical Engineering Department, The Petroleum Institute – A part of Khalifa University of Science and Technology, Abu Dhabi, United Arab EmiratesLEAP, Mechanical Engineering Department, Université des Frères Mentouri, Constantine, AlgeriaLEAP, Mechanical Engineering Department, Université des Frères Mentouri, Constantine, AlgeriaNumerical computation of thermally developing laminar flow of viscoelastic FENE-P fluids flowing between two stationary parallel plates is investigated using the finite element technique. The influence of the effect of the solvent contribution as well as the fluid rheology on the flow field and heat transfer enhancement is investigated for the case of imposed constant wall heat flux and neglected viscous dissipation. Numerical results for flow field are compared first against available analytical solutions with and without inclusion of the solvent contribution. The obtained results for the viscoelastic case show that increasing Weissenberg number (We) leads to an increase in Nusselt number (Nu) while high values of the extensibility parameter (L2) decrease the Nusselt number. Fully developed Nusselt number values for FENE-P fluids flowing between two fixed parallel plates are obtained for several values of polymer concentration and the study confirms quantitatively that polymer concentration enhances heat transfer rates in FENE-P fluids.http://jafmonline.net/JournalArchive/download?file_ID=44247&issue_ID=2462D Thermally developing flow; Rheology; FENE-P model; Solvent contribution; Nusselt number.
spellingShingle A. Filali
L. Khezzar
M. Alshehhi
Z. Nemouchi
Effect of Solvent Contribution on Thermally Developing Flow of FENE-P Fluids between Parallel Plates
Journal of Applied Fluid Mechanics
2D Thermally developing flow; Rheology; FENE-P model; Solvent contribution; Nusselt number.
title Effect of Solvent Contribution on Thermally Developing Flow of FENE-P Fluids between Parallel Plates
title_full Effect of Solvent Contribution on Thermally Developing Flow of FENE-P Fluids between Parallel Plates
title_fullStr Effect of Solvent Contribution on Thermally Developing Flow of FENE-P Fluids between Parallel Plates
title_full_unstemmed Effect of Solvent Contribution on Thermally Developing Flow of FENE-P Fluids between Parallel Plates
title_short Effect of Solvent Contribution on Thermally Developing Flow of FENE-P Fluids between Parallel Plates
title_sort effect of solvent contribution on thermally developing flow of fene p fluids between parallel plates
topic 2D Thermally developing flow; Rheology; FENE-P model; Solvent contribution; Nusselt number.
url http://jafmonline.net/JournalArchive/download?file_ID=44247&issue_ID=246
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