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北美退伍军人节(Veterans Day),12 日无更新
arXiv 1909.06173physics.flu-dyncond-mat.soft
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弯曲通道中宾汉流体的半解析速度分布

Semi-analytic velocity profile for a Bingham fluid in a curved channel

Tirion G. Roberts, Simon J. Cox

摘要:

本文推导了压力驱动的屈服应力宾汉流体绕二维同心环空流动的速度分布表达式。该公式要求数值解的屈服面的位置的非线性方程。结果允许预测的压力梯度上所需的压力梯度的通道曲率的影响,以启动流动给定的屈服应力,并在不同的曲率通过通道的塞区域和通量的宽度。

英文摘要:

We derive an expression for the velocity profile of a pressure-driven yield-stress Bingham fluid flowing around a 2D concentric annulus. The formula requires the numerical solution of a nonlinear equation for the positions of the yield surfaces. The results allow the prediction of the effects of channel curvature on the pressure gradient required to initiate flow for given yield stress, and for the width of the plug region and the flux through the channel at different curvatures.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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