The Translational Dispersion of Sound in Gases
作者:
H. Primakoff,
期刊:
The Journal of the Acoustical Society of America
(AIP Available online 1942)
卷期:
Volume 14,
issue 1
页码: 14-18
ISSN:0001-4966
年代: 1942
DOI:10.1121/1.1916196
出版商: Acoustical Society of America
数据来源: AIP
摘要:
The translational dispersion of sound in gases is discussed from the standpoint of kinetic theory. An explicit relation is derived for the variation of sound velocity with frequency in monatomic gases; this relation is:V = V0(1 – 5.4l2/λ2), wherelis the mean free path, and λ the wave‐length. The possibility of experimental observation of translational dispersion is briefly discussed.
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