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活棒在具有圆形截面的微通道中的边界积累

Chase Brown1, Mykhailo Potomkin1, Shawn D Ryan2

  • 1University of California, Riverside, Department of Mathematics, 900 University Avenue Riverside, California 92521, USA.

Physical review. E
|November 18, 2025
PubMed
概括

活动棒,自行推进的微粒,在墙壁上积聚. 它们的分布受墙壁曲率和流体流动的影响,在曲线区域可能存在稳定的捕获.

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Hagen-Poiseuille flow describes a viscous fluid's steady, incompressible flow through a cylindrical tube with a constant radius R. This flow profile is often applied to understand fluid transport in narrow channels, such as capillaries. It serves as a foundational example of laminar flow. In this model, cylindrical coordinates (r,θ,z) are used to describe the radial (r), angular (θ), and axial (z) dimensions within the tube. For Hagen-Poiseuille flow, the velocity profile is purely axial,...
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