On the one-dimensional acoustic propagation in conical ducts with stationary mean flow

被引：0

作者：

Barjau, Ana ^{[1
]}

机构：

[1] Department of Mechanical Engineering, E.T.S.E.I.B., Polytechnic University of Catalunya (UPC), Diagonal 647, 08028 Barcelona, Spain

来源：

Journal of the Acoustical Society of America | 2007年 / 122卷 / 06期

关键词：

This paper proposes a direct time-domain calculation of the time-domain responses of anechoic conical tubes with steady weak mean flow. The starting point is the approximated linear one-dimensional wave equation governing the velocity potential for the case of steady flow with low Mach number. A traveling solution with general space-dependent propagation velocity is then proposed from which the inward and outward pressure and velocity impulse responses can be obtained. The results include the well-known responses of conical and cylindrical ducts with zero mean flow. © 2007 Acoustical Society of America;

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摘要：

Journal article (JA)

引用

页码：3242 / 3251

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