ROTATION OF ULTRASONICALLY LEVITATED GLYCEROL DROPS

被引：26

作者：

BISWAS, A

LEUNG, EW

TRINH, EH

机构：

[1] Jet Propulsion Laboratory, California Institute of Technology, Pasadena, California 91109, MS 183-401

来源：

JOURNAL OF THE ACOUSTICAL SOCIETY OF AMERICA | 1991年 / 90卷 / 03期

关键词：

D O I：

10.1121/1.401889

中图分类号：

O42 [声学];

学科分类号：

070206 ; 082403 ;

摘要：

Ultrasonic levitation is used to suspend single millimeter-size glycerol drops in a rectangular chamber. Audio-frequency laterally standing waves set up in the chamber are used to torque the suspended drops. The shape evolution of the drop under the combined effect of centrifugal forces and the acoustic radiation stress, along with its angular velocity are monitored, using video imaging and light scattering techniques. The results show good qualitative agreement with the theoretically predicted shape evolution as a function of angular velocity.

引用

页码：1502 / 1507

页数：6

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