Hydrodynamic and heat transfer properties of magnetic fluid in porous medium considering nanoparticle shapes and magnetic field-dependent viscosity

Mohsen Izadi; Masoud Javanahram; Seyed Mohsen Hashem Zadeh; Dengwei Jing

doi:10.1016/j.cjche.2019.04.024

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Hydrodynamic and heat transfer properties of magnetic fluid in porous medium considering nanoparticle shapes and magnetic field-dependent viscosity

Fluid Dynamics and Transport Phenomena | Updated：2026-01-06

- Hydrodynamic and heat transfer properties of magnetic fluid in porous medium considering nanoparticle shapes and magnetic field-dependent viscosity
- Chinese Journal of Chemical Engineering Vol. 28, Issue 2, Pages: 329-339(2020)
- Affiliations：
  
  1. Mechanical Engineering Department, Lorestan University, Khorramabad,Iran
  2. Mechanical Engineering Department, Islamic Azad University, Bushehr,Iran
  3. Department of Mechanical Engineering, Shahid Chamran University of Ahvaz,Iran
  4. School of Energy and Power Engineering, State Key Lab of Multiphase Flow in Power Engineering, Xi'an Jiaotong University,Xi'an,China,710049
- Author bio：
- Funds：
- DOI：10.1016/j.cjche.2019.04.024
  CLC：
- Published：2020
- Accepted：
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Mohsen Izadi, Masoud Javanahram, Seyed Mohsen Hashem Zadeh, Dengwei Jing. Hydrodynamic and heat transfer properties of magnetic fluid in porous medium considering nanoparticle shapes and magnetic field-dependent viscosity[J]. Chinese Journal of Chemical Engineering, 2020, 28(2): 329-339.
DOI：

Mohsen Izadi, Masoud Javanahram, Seyed Mohsen Hashem Zadeh, Dengwei Jing. Hydrodynamic and heat transfer properties of magnetic fluid in porous medium considering nanoparticle shapes and magnetic field-dependent viscosity[J]. Chinese Journal of Chemical Engineering, 2020, 28(2): 329-339. DOI： 10.1016/j.cjche.2019.04.024.

摘要

Abstract

The purpose of this paper is to study the characteristics of the combined convection heat transfer and a micropolar nanofluid flow passing through an impermeable stretching sheet in a porous medium. The nanofluid flow field is affected by a magnetic field perpendicular to the sheet. The dynamic viscosity of the micropolar nanofluid changes under the influence of the magnetic field. The continuity

linear momentum

angular momentum

and energy equations are first simplified using the order of magnitude technique that

along with the applied boundary conditions and the definition of the appropriate parameters

are transferred to the similarity space using the similarity analysis. Then the resulting equations are solved using the Runge-Kutta method. The distinction of the macroscale and microscale flow fields and temperature fields resulting from different nanoparticle shapes was clarified. Increasing the Hartmann number

the vortex viscosity parameter

the magnetic parameter

the nanoparticle volume fraction

and the permeability parameter of the porous media increased the surface friction on the sheet. Increasing the vortex viscosity parameter

the magnetic parameter

and the volume fraction of the nanoparticles increases the Nusselt number.

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