Microstreaming generated by two acoustically induced gas bubbles

被引：10

作者：

Doinikov, Alexander A. ^{[1
]}

Bouakaz, Ayache ^{[1
]}

机构：

[1] Univ Tours, INSERM U930, 10 Blvd Tonnelle,BP 3223, F-37032 Tours 1, France

来源：

JOURNAL OF FLUID MECHANICS | 2016年 / 796卷

关键词：

bubble dynamics; cavitation; drops and bubbles; ULTRASOUND; SHEAR; WALL;

D O I：

10.1017/jfm.2016.270

中图分类号：

O3 [力学];

学科分类号：

08 ; 0801 ;

摘要：

A theory is developed that describes microstreaming generated by two interacting gas bubbles in an acoustic field. The theory is used in numerical simulations to compare the characteristics of acoustic microstreaming at different frequencies, separation distances between the bubbles and bubble sizes. It is shown that the interaction of the bubbles leads to a considerable increase in the intensity of the velocity and stress fields of acoustic microstreaming if the bubbles are driven near the resonance frequencies that they have in the presence of each other. Patterns of streamlines for different situations are presented.

引用

页码：318 / 339

页数：22

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