Acoustic Pulse Distortion in Thermally Relaxing Liquids
作者:
Richard Barakat,
Elizabeth Baumann,
期刊:
The Journal of the Acoustical Society of America
(AIP Available online 1969)
卷期:
Volume 45,
issue 5
页码: 1234-1240
ISSN:0001-4966
年代: 1969
DOI:10.1121/1.1911594
出版商: Acoustical Society of America
数据来源: AIP
摘要:
Pulse propagation in a thermally relaxing liquid is studied theoretically.First, Whitham's theory of wave propagation in systems governed by more than one velocity is utilized to obtain qualitative information.Second, Laplace transform solutions are obtained for particle velocity and pressure for rectangular and Gaussian pulses as well as semi‐infinite sine wave. Detailed numerical calculations are included.
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