围绕和内在自行推进滴滴的对流的3D观测分析
Tamako Suzuki1, Hideyuki Sawada2
1Department of Pure and Applied Physics, Graduated School of Advanced Science and Engineering, Waseda University 3-4-1 Okubo, Shinjuku-Ku Tokyo 169-8555 Japan tamakapi_omc53@toki.waseda.jp.
RSC advances
|May 9, 2025
概括
这项研究表明,通过外骨架控制滴状的形状,可以在1-醇溶液中决定自行推进方向. 不对称的外骨固定方向,而度影响滴滴速度.
科学领域:
- 流体动力学 流体动力学
- 接口现象 接口现象
- 自动推进的自动推进系统
背景情况:
- 溶液中的度梯度可以诱导界面张力梯度.
- 接口张力梯度驱动滴滴运动 (自动推进).
- 滴滴的形状显著影响自动推进行为和方向.
研究的目的:
- 为了分析3D对流流在1-pentanol滴滴周围和内部.
- 为了研究由外骨架控制的液滴形状如何影响自我推进.
- 确定影响自动推进方向的主导因素.
主要方法:
- 使用OHP薄膜外骨与中央孔 (圆形,对称圆形,不对称圆形) 来固定滴状.
- 将1-醇滴滴滴入外骨内的不同度的水溶液中.
- 视觉化对流流在水滴周围和内部,以与运动相关联.
主要成果:
- 滴滴自行推进方向是由外骨架固定的形状决定的.
- 不对称的外骨始终在一个单一的,固定的方向上直接推动滴滴推进.
- 自动推进速度取决于度,较低的度产生更频繁的运动.
结论:
- 滴滴形状是自动推进方向的主要决定因素,当控制时.
- 外骨架提供了一种控制和预测滴滴自推力的方法.
- 对流模式对于理解和操纵滴滴自推力至关重要.
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