Simulation of natural convection of Fe3O4-water ferrofluid in a circular porous cavity in the presence of a magnetic field

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作者：
Zhixiong Li
Ahmad Shafee
M. Ramzan
H. B. Rokni
Qasem M. Al-Mdallal
机构：
[1] Ocean University of China,School of Engineering
[2] University of Wollongong,School of Mechanical, Materials, Mechatronic and Biomedical Engineering
[3] University Tun Hussein Onn Malaysia,FAST
[4] Public Authority of Applied Education & Training,Department of Computer Science
[5] College of Technological Studies,Department of Mechanical Engineering
[6] Applied Science Department,Department of Mechanical and Materials Engineering
[7] Bahria University,Department of Mathematical Sciences
[8] Sejong University,undefined
[9] Tennessee Technological University,undefined
[10] United Arab Emirates University,undefined
来源：
The European Physical Journal Plus | / 134卷
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摘要：
In the current paper, natural convection of ferrofluid through a permeable medium has been simulated by using a new method (CVFEM). To predict nanofluid characteristics, a single-phase model has been utilized. The roles of the Darcy number, the Hartmann number, the concentration of ferrofluid, and buoyancy forces are displayed in the results. Outputs display that temperature detracts with the augmentation of buoyancy forces and permeability. Augmenting Lorenz forces makes temperature to enhance. A stronger magnetic field can decrease the ferrofluid velocity.
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