Forces and torques on rods in an ultrasonic standing wave

被引：0

作者：

Greve, D. W. ^{[1
,2
]}

Dauson, E. R. ^{[3
]}

Oppenheim, I. J. ^{[3
]}

机构：

[1] Carnegie Mellon Univ, Dept Elect & Comp Engn, Pittsburgh, PA 15213 USA

[2] DWGreve Consulting, Sedona, AZ 86336 USA

[3] Carnegie Mellon Univ, Dept Civil & Environm Engn, Pittsburgh, PA 15213 USA

来源：

2018 IEEE INTERNATIONAL ULTRASONICS SYMPOSIUM (IUS) | 2018年

基金：

美国安德鲁·梅隆基金会;

关键词：

forces; torques; standing waves; alignment;

D O I：

暂无

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

In this paper we observe and simulate the effect of ultrasonic standing waves on elongated objects, including interactions between multiple objects. Alignment of 25-40 micrometer long and 10 micrometer diameter glass rods has been observed in water when standing waves were excited by a PZT actuator at 2.1 MHz. COMSOL has been used to simulate the acoustic fields for one or more rods in water. The stress tensor was determined from the acoustic field, and then the force and torque on the rods was calculated using well-established expressions. The results give insight into the formation of aggregations of objects.

引用

页数：4

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