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首页> 外文期刊>Journal of magnetism and magnetic materials >Modeling of ferrofluid-based microvalves in the magnetic field created by a current-carrying wire
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Modeling of ferrofluid-based microvalves in the magnetic field created by a current-carrying wire

机译:在载流导线产生的磁场中基于铁磁流体的微型阀的建模

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摘要

The paper deals with a ferrofluid-based valve which can open and close the channel formed by two coaxial cones and a cylinder in the magnetic field of a straight current-carrying wire. Numerical modeling of the ferrofluid valve behaviour for different values of ferrofluid volume, pressure drop and current in the wire is done when the ferrofluid wets surrounding solid boundaries. It is shown that the presence of limiting cones allows the ferrofluid valve to sustain a pressure drop at high enough currents. The maximum pressure drop and the needed current can be obtained for each possible ferrofluid volume. (C) 2017 Elsevier B.V. All rights reserved.
机译:本文研究了一种基于铁磁流体的阀,该阀可以在载流导线的磁场中打开和关闭由两个同轴锥和一个圆柱形成的通道。当铁磁流体润湿固体边界时,对铁磁流体体积,压力降和电流中不同值的铁磁阀行为进行了数值建模。结果表明,限制锥的存在允许铁磁阀在足够高的电流下维持压降。对于每个可能的铁磁流体体积,可以获得最大压降和所需的电流。 (C)2017 Elsevier B.V.保留所有权利。

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