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在类似虫的状凝的毛细血管流中切割层和插头

Ronak R Gupta¹, Masoud Daneshi², Ian Frigaard^1,2

¹Department of Mechanical Engineering, University of British Columbia, 6250 Applied Science Ln, Vancouver, British Columbia V6T1Z4, Canada. gelfring@mech.ubc.ca.

|June 5, 2024

概括

类似虫的状凝在管道流动中表现出具有墙面滑动和非抛物线速度的插头流动. 这些短暂的动态揭示了软物质系统中的间歇性流动和流动诱导的异质性.

科学领域:

软物质物理学软物质物理学
类风病学类风病学类风病学
流体动力学流体动力学

背景情况:

类似虫的状溶液表现出类似凝的质学.
这些解决方案表现出复杂的风湿行为.
长链特离子表面活性剂形成了这些结构.

研究的目的:

调查管道流中类似虫的状凝的动态.
描述速度配置文件和流动模式.
了解软物质中的短暂流体现象.

主要方法:

粒子成像和跟踪速度计 (PIV)
管道流体实验管道流体实验
不同表面活性剂度和流量变化.

主要成果:

观察到的插头流量具有显著的墙壁滑动.
检测到非抛物线速率的概况.
识别了间歇性流量,不对称的配置和流量诱导的异质性.

结论:

结果与发展过渡粘弹性流的结果一致.
在简单的几何形状中,虫状状凝动力学是复杂的.
突出了规范流中的软物质的复杂性质.

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