磁场与血流的相互作用

S. Lee, G. Dulikravich, B. Kosović
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引用次数: 0

摘要

建立了一个控制不可压缩流体在稳定磁场作用下的稳定层流的数学模型,包括焦耳效应引起的内部加热、传导和对流引起的传热以及热诱导浮力。热浮力通过Boussinesq近似计算。为了证明洛伦兹和焦耳加热对血流的影响,选择了两种构型。第一种构型是一个封闭的矩形容器(二维),第二种构型是一个矩形截面的三维管道。在有外加磁场和没有外加磁场的情况下,实验结果显示了磁场大小对血液循环不稳定性的影响
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Interaction of magnetic field with blood flow
A mathematical model governing steady laminar flow of an incompressible fluid subjected to a steady magnetic field including internal heating due to Joule effect, heat transfer due to conduction and convection, and thermally induced buoyancy forces has been developed. The thermal buoyancy was accounted for via Boussinesq approximation. To demonstrate effects of the Lorentz and Joule heating on the blood flow, two configurations have been chosen. The first configuration consists of a closed rectangular container (two-dimensional), and the second is a three-dimensional pipe with rectangular cross section. Results of test cases with and without applied magnetic field demonstrate influence of the magnitude of the magnetic field on the recirculating blood flow instability.<>
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