Transient Free Convection MHD Flow Past an Accelerated Vertical Plate with Periodic Temperature

A theoretical model is performed to study the effect of magnetic field on transient free convection flow of an electrically conducting fluid past an accelerated vertical plate with periodic temperature. The governing momentum and energy equations are solved numerically using a full implicit finite d...

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Main Author: Mustafa R. Abdullah
Format: Article
Language:English
Published: AIDIC Servizi S.r.l. 2018-07-01
Series:Chemical Engineering Transactions
Online Access:https://www.cetjournal.it/index.php/cet/article/view/2714
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author Mustafa R. Abdullah
author_facet Mustafa R. Abdullah
author_sort Mustafa R. Abdullah
collection DOAJ
description A theoretical model is performed to study the effect of magnetic field on transient free convection flow of an electrically conducting fluid past an accelerated vertical plate with periodic temperature. The governing momentum and energy equations are solved numerically using a full implicit finite difference method. An analytical solution using eigenfunction expansion method is carried out for temperature profile in case of constant plate temperature. The results are compared with the numerical ones and a good agreement is achieved. The effect of different physical parameters on the transient velocity and temperature, such as Grashof’s number, magnetic parameter, Prandtl number and temperature frequency is studied. It is found that the velocity increases with increase in Gr and t, while it decreases with increase in Pr and M. It is found also that the periodicity of the plate temperature does not affect the velocity profile.
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spelling doaj.art-693347dcd68442c69816a428a9ab445d2022-12-21T23:40:24ZengAIDIC Servizi S.r.l.Chemical Engineering Transactions2283-92162018-07-016610.3303/CET1866056Transient Free Convection MHD Flow Past an Accelerated Vertical Plate with Periodic TemperatureMustafa R. AbdullahA theoretical model is performed to study the effect of magnetic field on transient free convection flow of an electrically conducting fluid past an accelerated vertical plate with periodic temperature. The governing momentum and energy equations are solved numerically using a full implicit finite difference method. An analytical solution using eigenfunction expansion method is carried out for temperature profile in case of constant plate temperature. The results are compared with the numerical ones and a good agreement is achieved. The effect of different physical parameters on the transient velocity and temperature, such as Grashof’s number, magnetic parameter, Prandtl number and temperature frequency is studied. It is found that the velocity increases with increase in Gr and t, while it decreases with increase in Pr and M. It is found also that the periodicity of the plate temperature does not affect the velocity profile.https://www.cetjournal.it/index.php/cet/article/view/2714
spellingShingle Mustafa R. Abdullah
Transient Free Convection MHD Flow Past an Accelerated Vertical Plate with Periodic Temperature
Chemical Engineering Transactions
title Transient Free Convection MHD Flow Past an Accelerated Vertical Plate with Periodic Temperature
title_full Transient Free Convection MHD Flow Past an Accelerated Vertical Plate with Periodic Temperature
title_fullStr Transient Free Convection MHD Flow Past an Accelerated Vertical Plate with Periodic Temperature
title_full_unstemmed Transient Free Convection MHD Flow Past an Accelerated Vertical Plate with Periodic Temperature
title_short Transient Free Convection MHD Flow Past an Accelerated Vertical Plate with Periodic Temperature
title_sort transient free convection mhd flow past an accelerated vertical plate with periodic temperature
url https://www.cetjournal.it/index.php/cet/article/view/2714
work_keys_str_mv AT mustafarabdullah transientfreeconvectionmhdflowpastanacceleratedverticalplatewithperiodictemperature