Magnetohydrodynamic mixed convection effects on the removal process of fluid particles from an open cavity in a horizontal channel

This paper presents the results of a numerical study on the heat transfer performance and the removal process of fluid particles under the influence of magnetohydrodynamic mixed convection in a horizontal channel with an open cavity. The bottom wall of the cavity is heated at a constant temperature...

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Main Authors: Rouhollah Yadollahi Farsani, Behzad Ghasemi, Saiied Mostafa Aminossadati
Format: Article
Language:English
Published: Semnan University 2014-10-01
Series:Journal of Heat and Mass Transfer Research
Subjects:
Online Access:https://jhmtr.semnan.ac.ir/article_181_fe179474ce0c256e7e619b28fa46e037.pdf
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author Rouhollah Yadollahi Farsani
Behzad Ghasemi
Saiied Mostafa Aminossadati
author_facet Rouhollah Yadollahi Farsani
Behzad Ghasemi
Saiied Mostafa Aminossadati
author_sort Rouhollah Yadollahi Farsani
collection DOAJ
description This paper presents the results of a numerical study on the heat transfer performance and the removal process of fluid particles under the influence of magnetohydrodynamic mixed convection in a horizontal channel with an open cavity. The bottom wall of the cavity is heated at a constant temperature (Th) while the top wall of the channel is maintained at a relatively low temperature (Tc). Air with a uniform velocity (u0) and temperature (Tc) is introduced to the channel. The analysis is carried out for a range of values of the Grashof number (103≤Gr≤106), the Reynolds number (1≤Re≤100), and the Hartmann number (0≤Ha≤100).The results show that the heat transfer rate increases as the Grashof number increases and decreases as the Reynolds and Hartmann numbers increase. It is also shown that the removal process accelerates as the Grashof number increases and, however, decelerates as the Reynolds and Hartmann numbers increase.
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spelling doaj.art-4e623bf13a6a4eaba632f8def06aaff02024-03-17T08:03:10ZengSemnan UniversityJournal of Heat and Mass Transfer Research2345-508X2383-30682014-10-0112677410.22075/jhmtr.2014.181181Magnetohydrodynamic mixed convection effects on the removal process of fluid particles from an open cavity in a horizontal channelRouhollah Yadollahi Farsani0Behzad Ghasemi1Saiied Mostafa Aminossadati2Associate Lecturer, Ardal Center, Shahrekord branch, Islamic Azad University, Shahrekord, IranChemical Engineering Professor, Engineering Faculty, Shahrekord University, Shahrekord, IranSenior Lecturer, School of Mechanical and Mining Engineering, the University of Queensland, QLD 4072, AustraliaThis paper presents the results of a numerical study on the heat transfer performance and the removal process of fluid particles under the influence of magnetohydrodynamic mixed convection in a horizontal channel with an open cavity. The bottom wall of the cavity is heated at a constant temperature (Th) while the top wall of the channel is maintained at a relatively low temperature (Tc). Air with a uniform velocity (u0) and temperature (Tc) is introduced to the channel. The analysis is carried out for a range of values of the Grashof number (103≤Gr≤106), the Reynolds number (1≤Re≤100), and the Hartmann number (0≤Ha≤100).The results show that the heat transfer rate increases as the Grashof number increases and decreases as the Reynolds and Hartmann numbers increase. It is also shown that the removal process accelerates as the Grashof number increases and, however, decelerates as the Reynolds and Hartmann numbers increase.https://jhmtr.semnan.ac.ir/article_181_fe179474ce0c256e7e619b28fa46e037.pdfmagnetohydrodynamicmixed convectionchannelfluid particlesremoval process
spellingShingle Rouhollah Yadollahi Farsani
Behzad Ghasemi
Saiied Mostafa Aminossadati
Magnetohydrodynamic mixed convection effects on the removal process of fluid particles from an open cavity in a horizontal channel
Journal of Heat and Mass Transfer Research
magnetohydrodynamic
mixed convection
channel
fluid particles
removal process
title Magnetohydrodynamic mixed convection effects on the removal process of fluid particles from an open cavity in a horizontal channel
title_full Magnetohydrodynamic mixed convection effects on the removal process of fluid particles from an open cavity in a horizontal channel
title_fullStr Magnetohydrodynamic mixed convection effects on the removal process of fluid particles from an open cavity in a horizontal channel
title_full_unstemmed Magnetohydrodynamic mixed convection effects on the removal process of fluid particles from an open cavity in a horizontal channel
title_short Magnetohydrodynamic mixed convection effects on the removal process of fluid particles from an open cavity in a horizontal channel
title_sort magnetohydrodynamic mixed convection effects on the removal process of fluid particles from an open cavity in a horizontal channel
topic magnetohydrodynamic
mixed convection
channel
fluid particles
removal process
url https://jhmtr.semnan.ac.ir/article_181_fe179474ce0c256e7e619b28fa46e037.pdf
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AT behzadghasemi magnetohydrodynamicmixedconvectioneffectsontheremovalprocessoffluidparticlesfromanopencavityinahorizontalchannel
AT saiiedmostafaaminossadati magnetohydrodynamicmixedconvectioneffectsontheremovalprocessoffluidparticlesfromanopencavityinahorizontalchannel