Entropy generation in hydromagnetic boundary flow under the effects of frictional and Joule heating: exact solutions

The objective of the present article is to discuss the effects of viscous dissipation and Joule heating on entropy generation in a hydromagnetic boundary layer flow. Governing equations are reduced to self-similar equations via suitable similarity transformations. The expressions for the volumetric...

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Main Authors: Afridi, M. I., Qasim, M., Shafie, S.
Format: Article
Published: Springer Verlag 2017
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Online Access:http://eprints.utm.my/id/eprint/76163/
https://www.scopus.com/inward/record.uri?eid=2-s2.0-85029917907&doi=10.1140%2fepjp%2fi2017-11704-5&partnerID=40&md5=29c922e016ab335bf75117a3d896c2ed
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Institution: Universiti Teknologi Malaysia
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spelling my.utm.761632018-06-25T09:06:10Z http://eprints.utm.my/id/eprint/76163/ Entropy generation in hydromagnetic boundary flow under the effects of frictional and Joule heating: exact solutions Afridi, M. I. Qasim, M. Shafie, S. QA Mathematics The objective of the present article is to discuss the effects of viscous dissipation and Joule heating on entropy generation in a hydromagnetic boundary layer flow. Governing equations are reduced to self-similar equations via suitable similarity transformations. The expressions for the volumetric entropy generation rate and the Bejan number are also obtained using similarity transformations. The exact solution of the transformed energy equation is computed using the Laplace transform treatment. The obtained exact solutions are utilized to calculate the entropy generation number and the Bejan number. The impacts of Prandtl number, viscous dissipation parameter (Eckert number), magnetic parameter, mass suction and temperature difference parameter on entropy generation and Bejan number are discussed graphically. The increasing value of the temperature difference parameter reduces the entropy generation. The entropy generation increases with the increasing values of the magnetic parameter, the Eckert number, the mass suction parameter and the Prandtl number. Springer Verlag 2017 Article PeerReviewed Afridi, M. I. and Qasim, M. and Shafie, S. (2017) Entropy generation in hydromagnetic boundary flow under the effects of frictional and Joule heating: exact solutions. European Physical Journal Plus, 132 (9). ISSN 2190-5444 https://www.scopus.com/inward/record.uri?eid=2-s2.0-85029917907&doi=10.1140%2fepjp%2fi2017-11704-5&partnerID=40&md5=29c922e016ab335bf75117a3d896c2ed
institution Universiti Teknologi Malaysia
building UTM Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Teknologi Malaysia
content_source UTM Institutional Repository
url_provider http://eprints.utm.my/
topic QA Mathematics
spellingShingle QA Mathematics
Afridi, M. I.
Qasim, M.
Shafie, S.
Entropy generation in hydromagnetic boundary flow under the effects of frictional and Joule heating: exact solutions
description The objective of the present article is to discuss the effects of viscous dissipation and Joule heating on entropy generation in a hydromagnetic boundary layer flow. Governing equations are reduced to self-similar equations via suitable similarity transformations. The expressions for the volumetric entropy generation rate and the Bejan number are also obtained using similarity transformations. The exact solution of the transformed energy equation is computed using the Laplace transform treatment. The obtained exact solutions are utilized to calculate the entropy generation number and the Bejan number. The impacts of Prandtl number, viscous dissipation parameter (Eckert number), magnetic parameter, mass suction and temperature difference parameter on entropy generation and Bejan number are discussed graphically. The increasing value of the temperature difference parameter reduces the entropy generation. The entropy generation increases with the increasing values of the magnetic parameter, the Eckert number, the mass suction parameter and the Prandtl number.
format Article
author Afridi, M. I.
Qasim, M.
Shafie, S.
author_facet Afridi, M. I.
Qasim, M.
Shafie, S.
author_sort Afridi, M. I.
title Entropy generation in hydromagnetic boundary flow under the effects of frictional and Joule heating: exact solutions
title_short Entropy generation in hydromagnetic boundary flow under the effects of frictional and Joule heating: exact solutions
title_full Entropy generation in hydromagnetic boundary flow under the effects of frictional and Joule heating: exact solutions
title_fullStr Entropy generation in hydromagnetic boundary flow under the effects of frictional and Joule heating: exact solutions
title_full_unstemmed Entropy generation in hydromagnetic boundary flow under the effects of frictional and Joule heating: exact solutions
title_sort entropy generation in hydromagnetic boundary flow under the effects of frictional and joule heating: exact solutions
publisher Springer Verlag
publishDate 2017
url http://eprints.utm.my/id/eprint/76163/
https://www.scopus.com/inward/record.uri?eid=2-s2.0-85029917907&doi=10.1140%2fepjp%2fi2017-11704-5&partnerID=40&md5=29c922e016ab335bf75117a3d896c2ed
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