Separation times analysis of unsteady magnetohydrodynamics mixed convective flow past a Sphere

The separation of flow for unsteady problem occurred on some events even though the fluid is laminar flow. In this paper, the times when then boundary layer flow start to separate from flowing at the surface of a sphere are investigated in the presence of magnetic field. It is also considered that...

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Main Authors: Mohammad, Nurul Farahain, Mohd Kasim, Abdul Rahman, Ali, Anati, Shafie, Sharidan
Format: Article
Language:English
Published: American Institute of Physics 2014
Subjects:
Online Access:http://irep.iium.edu.my/44164/
http://irep.iium.edu.my/44164/1/1.4887614.pdf
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author Mohammad, Nurul Farahain
Mohd Kasim, Abdul Rahman
Ali, Anati
Shafie, Sharidan
author_facet Mohammad, Nurul Farahain
Mohd Kasim, Abdul Rahman
Ali, Anati
Shafie, Sharidan
author_sort Mohammad, Nurul Farahain
building IIUM Repository
collection Online Access
description The separation of flow for unsteady problem occurred on some events even though the fluid is laminar flow. In this paper, the times when then boundary layer flow start to separate from flowing at the surface of a sphere are investigated in the presence of magnetic field. It is also considered that the fluid flow and heat transfer are governed by both buoyancy and external forces. In order to solve this problem, the dimensional equations that govern the fluid flow and heat transfer are transformed into dimensionless equations by using appropriate dimensionless variables. The stream functions are introduced to connect and thus having a function that can represent velocities. Similarity variables are used to deduce the dimensionless governing equations into a system of nonlinear partial differential equations. This system of equations is solved numerically by using numerical scheme known as the Keller-Box method. The numerical results obtained are presented in tabular form and analyzed.
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spelling iium-441642015-08-10T08:03:42Z http://irep.iium.edu.my/44164/ Separation times analysis of unsteady magnetohydrodynamics mixed convective flow past a Sphere Mohammad, Nurul Farahain Mohd Kasim, Abdul Rahman Ali, Anati Shafie, Sharidan QA Mathematics The separation of flow for unsteady problem occurred on some events even though the fluid is laminar flow. In this paper, the times when then boundary layer flow start to separate from flowing at the surface of a sphere are investigated in the presence of magnetic field. It is also considered that the fluid flow and heat transfer are governed by both buoyancy and external forces. In order to solve this problem, the dimensional equations that govern the fluid flow and heat transfer are transformed into dimensionless equations by using appropriate dimensionless variables. The stream functions are introduced to connect and thus having a function that can represent velocities. Similarity variables are used to deduce the dimensionless governing equations into a system of nonlinear partial differential equations. This system of equations is solved numerically by using numerical scheme known as the Keller-Box method. The numerical results obtained are presented in tabular form and analyzed. American Institute of Physics 2014 Article PeerReviewed application/pdf en http://irep.iium.edu.my/44164/1/1.4887614.pdf Mohammad, Nurul Farahain and Mohd Kasim, Abdul Rahman and Ali, Anati and Shafie, Sharidan (2014) Separation times analysis of unsteady magnetohydrodynamics mixed convective flow past a Sphere. AIP Conference Proceedings , 1605. pp. 349-354. ISSN 0094-243X (P), 1551-7616 (O) http://scitation.aip.org/content/aip/proceeding/aipcp/10.1063/1.4887614 10.1063/1.4887614
spellingShingle QA Mathematics
Mohammad, Nurul Farahain
Mohd Kasim, Abdul Rahman
Ali, Anati
Shafie, Sharidan
Separation times analysis of unsteady magnetohydrodynamics mixed convective flow past a Sphere
title Separation times analysis of unsteady magnetohydrodynamics mixed convective flow past a Sphere
title_full Separation times analysis of unsteady magnetohydrodynamics mixed convective flow past a Sphere
title_fullStr Separation times analysis of unsteady magnetohydrodynamics mixed convective flow past a Sphere
title_full_unstemmed Separation times analysis of unsteady magnetohydrodynamics mixed convective flow past a Sphere
title_short Separation times analysis of unsteady magnetohydrodynamics mixed convective flow past a Sphere
title_sort separation times analysis of unsteady magnetohydrodynamics mixed convective flow past a sphere
topic QA Mathematics
url http://irep.iium.edu.my/44164/
http://irep.iium.edu.my/44164/
http://irep.iium.edu.my/44164/
http://irep.iium.edu.my/44164/1/1.4887614.pdf