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首页> 外文会议>2002 ASME International Mechanical Engineering Congress and Exposition , Nov 17-22, 2002, New Orleans, Louisiana >A MAGNETO-HYDRODYNAMIC MICRO FLUIDIC NETWORK
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A MAGNETO-HYDRODYNAMIC MICRO FLUIDIC NETWORK

机译：磁水动力微流体网络

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摘要

The magneto hydrodynamic fluidic network's basic building blocks are conduits equipped with two electrodes positioned on opposing walls. The entire device is either subjected to an external uniform magnetic field or fabricated within a magnetic material. When a prescribed potential difference is applied across each electrode pair, it induces current in the liquid (assumed to be a weakly conductive). The current interacts with the magnetic field to produce a Lorentz force that is perpendicular to both the directions of the current and the magnetic field. Analogously with electric circuits, by judicious application of the potential differences at various branches, one can direct liquid flow in any desired way and rate without a need for mechanical pumps or valves. By equipping the network branches with additional, interior electrodes, the branches double as stirrers capable of generating chaotic advection. The paper describes the basic building blocks for such a network, the operation of these branches as stirrers, a general theory for the analysis and control of fluidic magneto-hydrodynamic networks, and an example of a network fabricated with low temperature, co-fired ceramic tapes.
机译：磁流体动力网络的基本组成部分是配备有两个位于相对壁上的电极的导管。整个设备要么受到外部均匀磁场的影响，要么在磁性材料中制造。当在每个电极对之间施加规定的电势差时，它会在液体中感应出电流（假定为弱导电性）。电流与磁场相互作用，产生与电流和磁场方向垂直的洛伦兹力。与电路类似，通过明智地在各个分支上施加电势差，无需机械泵或阀，即可以任何所需方式和速率引导液体流动。通过为网络分支配备额外的内部电极，这些分支还可以用作能够产生混乱对流的搅拌器。本文描述了这种网络的基本构造，这些支路作为搅拌器的操作，用于分析和控制流体磁流体力学网络的一般理论，以及使用低温共烧陶瓷制造的网络的示例磁带。

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