基于磁流体动力学的微流体技术
Magneto-Hydrodynamics Based Microfluidics.
作者信息
Qian Shizhi, Bau Haim H
机构信息
Department of Aerospace Engineering, Old Dominion University, Norfolk, VA 23529-0247, USA.
出版信息
Mech Res Commun. 2009 Jan 1;36(1):10-21. doi: 10.1016/j.mechrescom.2008.06.013.
Abstract
In microfluidic devices, it is necessary to propel samples and reagents from one part of the device to another, stir fluids, and detect the presence of chemical and biological targets. Given the small size of these devices, the above tasks are far from trivial. Magnetohydrodynamics (MHD) offers an elegant means to control fluid flow in microdevices without a need for mechanical components. In this paper, we review the theory of MHD for low conductivity fluids and describe various applications of MHD such as fluid pumping, flow control in fluidic networks, fluid stirring and mixing, circular liquid chromatography, thermal reactors, and microcoolers.
摘要
在微流控设备中，有必要将样品和试剂从设备的一个部分输送到另一个部分，搅拌流体，并检测化学和生物目标物的存在。鉴于这些设备尺寸较小，上述任务绝非易事。磁流体动力学（MHD）提供了一种无需机械部件就能控制微设备中流体流动的巧妙方法。在本文中，我们回顾了低电导率流体的磁流体动力学理论，并描述了磁流体动力学的各种应用，如流体泵送、流体网络中的流量控制、流体搅拌和混合、循环液相色谱、热反应器和微冷却器。
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