Experimental visualization of acoustic resonances within a stadium-shaped cavity

被引：44

作者：

Chinnery, PA

Humphrey, VF

机构：

[1] Univ of Bath, Bath

来源：

PHYSICAL REVIEW E | 1996年 / 53卷 / 01期

关键词：

D O I：

10.1103/PhysRevE.53.272

中图分类号：

O35 [流体力学]; O53 [等离子体物理学];

学科分类号：

070204 ; 080103 ; 080704 ;

摘要：

Acoustic resonances of an insonified water-filled stadium-shaped cavity are located and visualized in a noninvasive manner using a schlieren technique. The chaotic nature of the geometry is seen to affect the form of the resonance patterns observed. Individual eigenstates of the cavity can be resolved at low frequencies; in particular, the ''bouncing ball'' modes. In the high-frequency (overlapping resonance) regime, nodal patterns are characterized by a network of ridges similar in form to those produced by a random superposition of plane waves.

引用

页码：272 / 276

页数：5

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