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Mixed convective flow and heat transfer of a dual stratified micropolar fluid induced by a permeable stretching/shrinking sheet

The present study accentuates the magnetohydrodynamics (MHD) flow and heat transfer characteristics of a dual stratified micropolar fluid over a permeable stretching/shrinking sheet. Thermal and solutal buoyancy forces are also included to incorporate with the stratification effect. Similarity, tran...

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Main Authors: Khashi'ie, Najiyah Safwa, Md. Arifin, Norihan, Mohd Nazar, Roslinda, Hafidzuddin, Mohd Ezad Hafidz, Wahi, Nadihah, Pop, Ioan
Format: Article
Language:English
Published: MDPI 2019
Online Access:http://psasir.upm.edu.my/id/eprint/38216/1/38216.pdf
http://psasir.upm.edu.my/id/eprint/38216/
https://www.mdpi.com/1099-4300/21/12/1162
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spelling my.upm.eprints.382162020-05-04T15:59:02Z http://psasir.upm.edu.my/id/eprint/38216/ Mixed convective flow and heat transfer of a dual stratified micropolar fluid induced by a permeable stretching/shrinking sheet Khashi'ie, Najiyah Safwa Md. Arifin, Norihan Mohd Nazar, Roslinda Hafidzuddin, Mohd Ezad Hafidz Wahi, Nadihah Pop, Ioan The present study accentuates the magnetohydrodynamics (MHD) flow and heat transfer characteristics of a dual stratified micropolar fluid over a permeable stretching/shrinking sheet. Thermal and solutal buoyancy forces are also included to incorporate with the stratification effect. Similarity, transformation is applied to reduce the governing model (partial differential equations) into a set of nonlinear ordinary differential equations (ODEs) due to its complexity. Using bvp4c solver in the MATLAB software, numerical results for some limiting cases are in favorable agreement with the earlier published results. Both assisting and opposing buoyancy flows have dual similarity solutions within specific range of suction and stretching/shrinking parameters, whereas only a distinctive solution is observed for pure forced convective flow. The micropolar fluid shows a disparate pattern of flow, heat and mass transfer characteristics between stretching and shrinking cases. Unlike the shrinking flow, the surface velocity gradient, local Nusselt and Sherwood numbers for stretching flow intensify with the increment of the material parameter. The result from stability analysis reveals that the first solution is the real solution, whereas the second solution is virtual. MDPI 2019 Article PeerReviewed text en http://psasir.upm.edu.my/id/eprint/38216/1/38216.pdf Khashi'ie, Najiyah Safwa and Md. Arifin, Norihan and Mohd Nazar, Roslinda and Hafidzuddin, Mohd Ezad Hafidz and Wahi, Nadihah and Pop, Ioan (2019) Mixed convective flow and heat transfer of a dual stratified micropolar fluid induced by a permeable stretching/shrinking sheet. Entropy, 21 (12). art. no. 1162. pp. 1-16. ISSN 1099-4300 https://www.mdpi.com/1099-4300/21/12/1162 10.3390/e21121162
institution Universiti Putra Malaysia
building UPM Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Putra Malaysia
content_source UPM Institutional Repository
url_provider http://psasir.upm.edu.my/
language English
description The present study accentuates the magnetohydrodynamics (MHD) flow and heat transfer characteristics of a dual stratified micropolar fluid over a permeable stretching/shrinking sheet. Thermal and solutal buoyancy forces are also included to incorporate with the stratification effect. Similarity, transformation is applied to reduce the governing model (partial differential equations) into a set of nonlinear ordinary differential equations (ODEs) due to its complexity. Using bvp4c solver in the MATLAB software, numerical results for some limiting cases are in favorable agreement with the earlier published results. Both assisting and opposing buoyancy flows have dual similarity solutions within specific range of suction and stretching/shrinking parameters, whereas only a distinctive solution is observed for pure forced convective flow. The micropolar fluid shows a disparate pattern of flow, heat and mass transfer characteristics between stretching and shrinking cases. Unlike the shrinking flow, the surface velocity gradient, local Nusselt and Sherwood numbers for stretching flow intensify with the increment of the material parameter. The result from stability analysis reveals that the first solution is the real solution, whereas the second solution is virtual.
format Article
author Khashi'ie, Najiyah Safwa
Md. Arifin, Norihan
Mohd Nazar, Roslinda
Hafidzuddin, Mohd Ezad Hafidz
Wahi, Nadihah
Pop, Ioan
spellingShingle Khashi'ie, Najiyah Safwa
Md. Arifin, Norihan
Mohd Nazar, Roslinda
Hafidzuddin, Mohd Ezad Hafidz
Wahi, Nadihah
Pop, Ioan
Mixed convective flow and heat transfer of a dual stratified micropolar fluid induced by a permeable stretching/shrinking sheet
author_facet Khashi'ie, Najiyah Safwa
Md. Arifin, Norihan
Mohd Nazar, Roslinda
Hafidzuddin, Mohd Ezad Hafidz
Wahi, Nadihah
Pop, Ioan
author_sort Khashi'ie, Najiyah Safwa
title Mixed convective flow and heat transfer of a dual stratified micropolar fluid induced by a permeable stretching/shrinking sheet
title_short Mixed convective flow and heat transfer of a dual stratified micropolar fluid induced by a permeable stretching/shrinking sheet
title_full Mixed convective flow and heat transfer of a dual stratified micropolar fluid induced by a permeable stretching/shrinking sheet
title_fullStr Mixed convective flow and heat transfer of a dual stratified micropolar fluid induced by a permeable stretching/shrinking sheet
title_full_unstemmed Mixed convective flow and heat transfer of a dual stratified micropolar fluid induced by a permeable stretching/shrinking sheet
title_sort mixed convective flow and heat transfer of a dual stratified micropolar fluid induced by a permeable stretching/shrinking sheet
publisher MDPI
publishDate 2019
url http://psasir.upm.edu.my/id/eprint/38216/1/38216.pdf
http://psasir.upm.edu.my/id/eprint/38216/
https://www.mdpi.com/1099-4300/21/12/1162
_version_ 1665895964870705152
score 13.211869

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