Numerical Simulation of MHD Fluid Flow inside Constricted Channels using Lattice Boltzmann Method

In this study, the electrically conducting fluid flow inside a channel with local symmetric constrictions, in the presence of a uniform transverse magnetic field is investigated using Lattice Boltzmann Method (LBM). To simulate Magnetohydrodynamics (MHD) flow, the extended model of D2Q9 for MHD has been used. In this model, the magnetic induction equation is solved in a similar manner to hydrodynamic flow field which is easy for programming. This extended model has a capability of simultaneously solving both magnetic and hydrodynamic fields; so that, it is possible to simulate MHD flow for various magnetic Reynolds number (Rem). Moreover, the effects of Rem on the flow characteristics are investigated. It is observed that, an increase in Rem, while keeping the Hartman number (Ha) constant, can control the separation zone; furthermore, comparing to increasing Ha, it doesn't result in a significant pressure drop along the channel.

Numerical Simulation of MHD Fluid Flow inside Constricted Channels using Lattice Boltzmann Method Keywords:

Constrictions , Lattice Boltzmann method , Magnetic Reynolds number , Magnetohydrodynamics , Hartmann number

Numerical Simulation of MHD Fluid Flow inside Constricted Channels using Lattice Boltzmann Method authors

M. Jamali Ghahderijani

Department of Mechanical Engineering, Najafabad Branch, Islamic Azad University, Najafabad, Iran

M. Esmaeili

Department of Mechanical Engineering, faculty of Engineering, Kharazmi University, Tehran, Iran

M. Afrand

Department of Mechanical Engineering, Najafabad Branch, Islamic Azad University, Najafabad, Iran

A. Karimipour

Department of Mechanical Engineering, Najafabad Branch, Islamic Azad University, Najafabad, Iran

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Link to this Paper:

https://civilica.com/doc/1378518

Document National Code:

JR_JAFM-10-6_014

Index date: 17 January 2022

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Jamali Ghahderijani, M. and Esmaeili, M. and Afrand, M. and Karimipour, A.,1396,Numerical Simulation of MHD Fluid Flow inside Constricted Channels using Lattice Boltzmann Method,https://civilica.com/doc/1378518

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Type of center: دانشگاه آزاد

Paper count: 14,459

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