Sound velocity in a magnetic fluid

Sound velocity in a magnetic fluid
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磁流体中的声速

DOI:
10.1088/0022-3727/8/10/010
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发表时间:
1975
期刊:
Journal of Physics D
影响因子:
--
通讯作者:
J. D. Parsons
J. D. Parsons
中科院分区:
--
文献类型:
--
作者:
J. D. Parsons

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本文提出了一个简单的外磁场作用下磁性流体的线性化流体动力学理论。对于从外部场方向以角度φ传播的声波,求解方程。声速是各向异性的,取决于φ。的各向异性估计为约10-5为104 G的字段,并显示出有趣的频率依赖性。
A simple linearized hydrodynamical theory for magnetic fluids in the presence of a strong external magnetic field is presented. The equations are solved for a sound wave propagating at angle phi from the external field direction. The sound velocity is shown to be anisotropic, depending on phi . The anisotropy is estimated to be about 10-5 for a field of 104 G and shows an interesting frequency dependence.