MHD flow over exponential radiating stretching sheet using homotopy analysis method

An analytical solution for MHD boundary layer flow of a viscous incompressible fluid over an exponentially stretching sheet is developed in this study. The effect of thermal radiation is included in the energy equation. Through suitable similarity transformations, the governing equations are tran...

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Main Authors: Mabood, Fazle, Khan, W.A., Md. Ismail, A.I.
Format: Article
Published: Elsevier 2017
Subjects:
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author Mabood, Fazle
Khan, W.A.
Md. Ismail, A.I.
author_facet Mabood, Fazle
Khan, W.A.
Md. Ismail, A.I.
author_sort Mabood, Fazle
collection USM
description An analytical solution for MHD boundary layer flow of a viscous incompressible fluid over an exponentially stretching sheet is developed in this study. The effect of thermal radiation is included in the energy equation. Through suitable similarity transformations, the governing equations are transformed into a system of nonlinear ordinary differential equations. Homotopy analysis method (HAM) has been used to get accurate and complete analytic solution. This study reveals that the governing parameters, namely, the magnetic and the radiation parameters have major effects on the flow field, skin friction coefficient, and the heat transfer rate. The magnetic field enhances the dimensionless temperature inside the thermal boundary layer whereas reduces the dimensionless velocity inside the hydrodynamic boundary layer. Heat transfer rate becomes low with magnetic and radiation parameters while the friction factor is increased with magnetic field. Moreover, a comparative study between the previously published and the present results in special cases is conducted and an excellent agreement is found between them.
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institution Universiti Sains Malaysia
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spelling usm.eprints-370742017-10-11T09:14:52Z http://eprints.usm.my/37074/ MHD flow over exponential radiating stretching sheet using homotopy analysis method Mabood, Fazle Khan, W.A. Md. Ismail, A.I. QA1-939 Mathematics An analytical solution for MHD boundary layer flow of a viscous incompressible fluid over an exponentially stretching sheet is developed in this study. The effect of thermal radiation is included in the energy equation. Through suitable similarity transformations, the governing equations are transformed into a system of nonlinear ordinary differential equations. Homotopy analysis method (HAM) has been used to get accurate and complete analytic solution. This study reveals that the governing parameters, namely, the magnetic and the radiation parameters have major effects on the flow field, skin friction coefficient, and the heat transfer rate. The magnetic field enhances the dimensionless temperature inside the thermal boundary layer whereas reduces the dimensionless velocity inside the hydrodynamic boundary layer. Heat transfer rate becomes low with magnetic and radiation parameters while the friction factor is increased with magnetic field. Moreover, a comparative study between the previously published and the present results in special cases is conducted and an excellent agreement is found between them. Elsevier 2017-01 Article PeerReviewed Mabood, Fazle and Khan, W.A. and Md. Ismail, A.I. (2017) MHD flow over exponential radiating stretching sheet using homotopy analysis method. Journal of King Saud University (Engineering Science), 29 (1). pp. 68-74. ISSN 1018-3639 https://doi.org/10.1016/j.jksues.2014.06.001
spellingShingle QA1-939 Mathematics
Mabood, Fazle
Khan, W.A.
Md. Ismail, A.I.
MHD flow over exponential radiating stretching sheet using homotopy analysis method
title MHD flow over exponential radiating stretching sheet using homotopy analysis method
title_full MHD flow over exponential radiating stretching sheet using homotopy analysis method
title_fullStr MHD flow over exponential radiating stretching sheet using homotopy analysis method
title_full_unstemmed MHD flow over exponential radiating stretching sheet using homotopy analysis method
title_short MHD flow over exponential radiating stretching sheet using homotopy analysis method
title_sort mhd flow over exponential radiating stretching sheet using homotopy analysis method
topic QA1-939 Mathematics
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AT khanwa mhdflowoverexponentialradiatingstretchingsheetusinghomotopyanalysismethod
AT mdismailai mhdflowoverexponentialradiatingstretchingsheetusinghomotopyanalysismethod