无接触液滴破裂是由声潜力井引起的
Jingjun Li1, Yadong Sun1, Shenghan Lu1
1School of Mechanical Engineering and Automation, Northeastern University, Shenyang 110819, China.
Ultrasonics
|March 14, 2026
概括
声学潜力井使精确的滴滴操纵成为可能. 这项研究揭示了声波辐射和伯努利力造成的滴滴分解结果,粘度是原子化大小的关键.
科学领域:
- 流体动力学 流体动力学
- 声学 声学 在声学上
- 材料科学 材料科学 材料科学
背景情况:
- 声学潜力井提供精确的,非接触滴滴操纵.
- 了解声场中的滴滴分解机制对于先进的应用至关重要.
- 目前关于声力与滴滴动态之间的相互作用的知识有限.
研究的目的:
- 为了研究在高强度声场中滴滴破裂的机制.
- 分析滴滴破裂与声压/速度场之间的关系.
- 为了确定液体特性对非接触式原子化的影响.
主要方法:
- 理论分析作用于滴滴的力量.
- 数字建模以模拟子滴子生成.
- 使用高速成像和激光粒子大小分析进行实验验证.
主要成果:
- 滴滴破裂是由声辐射力和伯努利力的协同作用驱动的.
- 液体粘度显著影响原子化液滴的大小,而不是表面张力.
- 声场通过压力和速度场效应的结合,诱导滴滴破裂.
结论:
- 这项研究阐明了在声潜力井中滴滴分解的基本物理.
- 研究结果为优化超细原子化过程提供了关键的见解.
- 这项研究推进了对非接触滴滴操纵技术的理解.
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