弯曲通道内宾汉流体压力驱动流动的解析速度剖面
流体动力学
2020-04-30 v1
摘要
我们推导了压力驱动的屈服应力流体绕二维同心环空流动的速度剖面表达式。该结果可预测在给定屈服应力下通道曲率对启动流动所需压力梯度的影响,以及不同曲率下塞流区宽度与通道通量。我们用它来验证从直通道流入弯曲通道的流动数值模拟,模拟显示了流体在达到预测速度剖面之前如何先处处屈服。
引用
@article{arxiv.2002.10459,
title = {An analytic velocity profile for pressure-driven flow of a Bingham fluid in a curved channel},
author = {Tirion G. Roberts and Simon J. Cox},
journal= {arXiv preprint arXiv:2002.10459},
year = {2020}
}
备注
arXiv admin note: substantial text overlap with arXiv:1909.06173