Magnetic forces in paramagnetic fluids

被引：21

作者：

Butcher, Tim A. ^{[1
,2
,3
]}

Coey, J. M. D. ^{[1
,2
]}

机构：

[1] Trinity Coll Dublin, Sch Phys, Dublin, Ireland

[2] Trinity Coll Dublin, CRANN, Dublin, Ireland

[3] Paul Scherrer Inst PSI, Swiss Light Source, CH-5232 Villigen, Switzerland

来源：

JOURNAL OF PHYSICS-CONDENSED MATTER | 2023年 / 35卷 / 05期

关键词：

magnetic forces; paramagnetic fluids; magnetic field gradients; paramagnetic ions; magnetic convection; magnetoelectrochemistry; CONCENTRATION GRADIENT FORCE; OXYGEN REDUCTION REACTION; LIQUID PHASE-SEPARATION; RARE-EARTH IONS; NATURAL-CONVECTION; MASS-TRANSFER; MAGNETOTHERMAL CONVECTION; PONDEROMOTIVE FORCE; THERMAL-CONVECTION; DIFFUSION PROCESS;

D O I：

10.1088/1361-648X/aca37f

中图分类号：

O469 [凝聚态物理学];

学科分类号：

070205 ;

摘要：

An overview of the effect of a magnetic field gradient on fluids with linear magnetic susceptibilities is given. It is shown that two commonly encountered expressions, the magnetic field gradient force and the concentration gradient force for paramagnetic species in solution are equivalent for incompressible fluids. The magnetic field gradient and concentration gradient forces are approximations of the Kelvin force and Korteweg-Helmholtz force densities, respectively. The criterion for the appearance of magnetically induced convection is derived. Experimental work in which magnetically induced convection plays a role is reviewed.

引用

页数：11

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