Sound Dissipation by a Small Cylindrical Obstacle
作者:
K. Attenborough,
L. A. Walker,
期刊:
The Journal of the Acoustical Society of America
(AIP Available online 1972)
卷期:
Volume 51,
issue 1B
页码: 192-196
ISSN:0001-4966
年代: 1972
DOI:10.1121/1.1912829
出版商: Acoustical Society of America
数据来源: AIP
摘要:
Scattering of a plane wave, obliquely incident on an infinite‐elastic conducting solid cylinder, which is freely suspended in a viscous conducting fluid, is considered. The wave motion in both fluid and solid is analyzed into viscous (shear), thermal, and dilatational components. Thus the dissipation, associated with the generation of highly damped viscous and thermal fluid waves at the boundary of the cylinder, is calculated. For a given frequency, this is shown to be a function of the cylindrical harmonic amplitudes of the scattered dilatational wave and of the angle of incidence. Results are presented for the simplified situation of normal incidence and small cylinder radius.
点击下载:
PDF
(462KB)
返 回