Unsteady MHD mixed convection stagnation-point flow in a micropolar fluid on a vertical surface in a porous medium with soret and dufour effects

The problem of an unsteady MHD mixed convection flow with heat and mass transfer in a micropolar fluid near the forward stagnation point in a porous medium with Soret and Dufour effects has been investigated. The self‐similarity transformation is used to transform the governing equations and then to...

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Main Authors: Aurangzaib, Aurangzaib, Kasim, A. R. M., Mohammad, Nurul Farahain, Shafie, Sharidan
Format: Article
Language:English
Published: Begell House, Inc. 2013
Subjects:
Online Access:http://irep.iium.edu.my/44165/
http://irep.iium.edu.my/44165/
http://irep.iium.edu.my/44165/1/5763-final.pdf
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recordtype eprints
spelling iium-441652015-08-12T01:14:48Z http://irep.iium.edu.my/44165/ Unsteady MHD mixed convection stagnation-point flow in a micropolar fluid on a vertical surface in a porous medium with soret and dufour effects Aurangzaib, Aurangzaib Kasim, A. R. M. Mohammad, Nurul Farahain Shafie, Sharidan QA Mathematics The problem of an unsteady MHD mixed convection flow with heat and mass transfer in a micropolar fluid near the forward stagnation point in a porous medium with Soret and Dufour effects has been investigated. The self‐similarity transformation is used to transform the governing equations and then to solve them numerically using an implicit finite difference scheme. In this study, we consider both assisting and opposing flows. The profiles of velocity, microrotation, temperature, and concentration, as well as the skin friction, and the rate of heat and mass transfer are determined and presented graphically for physical parameters. The results show that the magnetic parameter decreases the reduced skin friction and reduced heat and mass transfer for the assisting flow while the opposite trend is observed for the case of opposing flow. It is also found that the buoyancy parameter decreases the thermal and concentration boundary layer thickness for an assisting flow and increases for an opposing one. Begell House, Inc. 2013 Article PeerReviewed application/pdf en http://irep.iium.edu.my/44165/1/5763-final.pdf Aurangzaib, Aurangzaib and Kasim, A. R. M. and Mohammad, Nurul Farahain and Shafie, Sharidan (2013) Unsteady MHD mixed convection stagnation-point flow in a micropolar fluid on a vertical surface in a porous medium with soret and dufour effects. Heat Transfer Research , 44 (7). pp. 603-620. ISSN 1064-2285 http://www.dl.begellhouse.com/journals/46784ef93dddff27,30dafd2b57af0b5c,301bc92c4c5642c2.html
repository_type Digital Repository
institution_category Local University
institution International Islamic University Malaysia
building IIUM Repository
collection Online Access
language English
topic QA Mathematics
spellingShingle QA Mathematics
Aurangzaib, Aurangzaib
Kasim, A. R. M.
Mohammad, Nurul Farahain
Shafie, Sharidan
Unsteady MHD mixed convection stagnation-point flow in a micropolar fluid on a vertical surface in a porous medium with soret and dufour effects
description The problem of an unsteady MHD mixed convection flow with heat and mass transfer in a micropolar fluid near the forward stagnation point in a porous medium with Soret and Dufour effects has been investigated. The self‐similarity transformation is used to transform the governing equations and then to solve them numerically using an implicit finite difference scheme. In this study, we consider both assisting and opposing flows. The profiles of velocity, microrotation, temperature, and concentration, as well as the skin friction, and the rate of heat and mass transfer are determined and presented graphically for physical parameters. The results show that the magnetic parameter decreases the reduced skin friction and reduced heat and mass transfer for the assisting flow while the opposite trend is observed for the case of opposing flow. It is also found that the buoyancy parameter decreases the thermal and concentration boundary layer thickness for an assisting flow and increases for an opposing one.
format Article
author Aurangzaib, Aurangzaib
Kasim, A. R. M.
Mohammad, Nurul Farahain
Shafie, Sharidan
author_facet Aurangzaib, Aurangzaib
Kasim, A. R. M.
Mohammad, Nurul Farahain
Shafie, Sharidan
author_sort Aurangzaib, Aurangzaib
title Unsteady MHD mixed convection stagnation-point flow in a micropolar fluid on a vertical surface in a porous medium with soret and dufour effects
title_short Unsteady MHD mixed convection stagnation-point flow in a micropolar fluid on a vertical surface in a porous medium with soret and dufour effects
title_full Unsteady MHD mixed convection stagnation-point flow in a micropolar fluid on a vertical surface in a porous medium with soret and dufour effects
title_fullStr Unsteady MHD mixed convection stagnation-point flow in a micropolar fluid on a vertical surface in a porous medium with soret and dufour effects
title_full_unstemmed Unsteady MHD mixed convection stagnation-point flow in a micropolar fluid on a vertical surface in a porous medium with soret and dufour effects
title_sort unsteady mhd mixed convection stagnation-point flow in a micropolar fluid on a vertical surface in a porous medium with soret and dufour effects
publisher Begell House, Inc.
publishDate 2013
url http://irep.iium.edu.my/44165/
http://irep.iium.edu.my/44165/
http://irep.iium.edu.my/44165/1/5763-final.pdf
first_indexed 2023-09-18T21:02:49Z
last_indexed 2023-09-18T21:02:49Z
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