Isentropic acoustic propagation in a viscous fluid with uniform circular pipeline flow

被引：8

作者：

Chen, Yong ^{[1
]}

Huang, Yiyong ^{[1
]}

Chen, Xiaoqian ^{[1
]}

机构：

[1] Natl Univ Def Technol, Inst Space Technol, Coll Aerosp Sci & Engn, Changsha 410073, Hunan, Peoples R China

来源：

JOURNAL OF THE ACOUSTICAL SOCIETY OF AMERICA | 2013年 / 134卷 / 04期

基金：

中国国家自然科学基金;

关键词：

MEAN FLOW; PIPES;

D O I：

10.1121/1.4818774

中图分类号：

O42 [声学];

学科分类号：

070206 ; 082403 ;

摘要：

Isentropic wave propagation in a viscous fluid with a uniform mean flow confined by a rigid-walled circular pipeline is considered. A method based on the Fourier-Bessel theory, which is complete and orthogonal in Lebesgue space, is introduced to solve the convected acoustic equations. After validating the method's convergence, the cut-off frequency of wave modes is addressed. Furthermore, the effect of flow profile on wave attenuation is analyzed. Meanwhile, measurement performance of an ultrasonic flow meter based on wave propagation is numerically accounted. (C) 2013 Acoustical Society of America.

引用

页码：2619 / 2622

页数：4

共 50 条

[1] Isentropic acoustic propagation in a viscous fluid with uniform circular pipeline flow
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