磁流体在旋转磁场中对超声波的吸收

IF 0.3 4区工程技术 Q4 MECHANICS Magnetohydrodynamics Pub Date : 2021-07-01 DOI:10.18384/2310-7251-2018-3-42-49

V. Sokolov, A. Kurilov

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引用次数: 0

摘要

首次获得了磁流体在旋转磁场中吸收超声波的实验结果。结果表明，在T = 295 K时，在磁场旋转频率fH = 0.056 ~ 280 mHz范围内，在观测误差范围内未观察到磁流体对超声吸收系数角依赖性的滞后。在低粘度和高粘度磁流体中也观察到类似的结果。表1，图6，参考文献39。

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Absorption of ultrasound by a magnetic fluid in a rotating magnetic field

Experimental results on the absorption of ultrasound by a magnetic fluid in a rotating magnetic field have been obtained for the first time. It is shown that the lag of the angular dependence of the ultrasonic absorption coefficient by a magnetic fluid in the range of magnetic field rotation frequencies fH = 0.056 - 280 mHz at T = 295 K is not observed within the limits of observational errors. Similar results were observed for both low-viscosity and high-viscosity magnetic fluids. Tables 1, Figs 6, Refs 39.

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