Thermal processes in the oscillations of gas bubbles in tubes

被引：27

作者：

Chen, XM ^{[1
]}

Prosperetti, A ^{[1
]}

机构：

[1] Johns Hopkins Univ, Dept Mech Engn, Baltimore, MD 21218 USA

来源：

JOURNAL OF THE ACOUSTICAL SOCIETY OF AMERICA | 1998年 / 104卷 / 03期

关键词：

D O I：

10.1121/1.424348

中图分类号：

O42 [声学];

学科分类号：

070206 ; 082403 ;

摘要：

The forced oscillations of a system consisting of two finite liquid columns in a duct separated by a gas bubble are studied in the linear approximation. It is found that thermal processes in the gas induce a very significant damping in the system, which can exceed viscous damping even in capillaries with a submillimeter diameter. The study is motivated by the possibility of using gas bubbles as actuators in microdevices. (C) 1998 Acoustical Society of America. [S0001-4966(98)00608-0].

引用

页码：1389 / 1398

页数：10

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