Motion of a Ferrofluid in a Periodic Magnetic Field due to Surface Deformation

Motion of a Ferrofluid in a Periodic Magnetic Field due to Surface Deformation
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铁磁流体在周期性磁场中由于表面变形而运动

DOI:
10.1002/pamm.201110322
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发表时间:
2011
期刊:
PAMM
影响因子:
--
通讯作者:
Gärtner
Gärtner
中科院分区:
--
文献类型:
--
作者:
Zimmermann;Zeidis;Gärtner

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本文考虑不可压缩粘性磁化流体的平面流动。流动的原因是交变磁场,从而影响了自由表面的周期性变形。需要证明物料的蠕动输送。蠕变流的STOKES近似和二维连续方程作为控制方程。所使用的方法包括对磁场中ε扰动和未扰动的比例进行幂级数展开。从功能参数的角度对分析结果进行了讨论。(©2011 Wiley‐VCH Verlag GmbH & Co. KGaA, Weinheim)
The article considers a plane flow of an incompressible, viscous magnetizable fluid. Cause of the flow is an alternating magnetic field, which consequently affects the free surface to periodical deformation. The proof of a peristaltic material transport is desired. The STOKES approximation for creeping flows and the two‐dimensional continuity equation serve for governing equations. The methods used include power series expansion with regard to the small ratio of ε perturbed and unperturbed fraction of the magnetic field. The analytical result is discussed with regard to functional parameters. (© 2011 Wiley‐VCH Verlag GmbH & Co. KGaA, Weinheim)
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DOI: --
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期刊:
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