Rotational Dispersion in the Velocity, Attenuation, and Reflection of Ultrasonic Waves in Hydrogen and Deuterium
作者:
Ellen S. Stewart,
James L. Stewart,
期刊:
The Journal of the Acoustical Society of America
(AIP Available online 1952)
卷期:
Volume 24,
issue 2
页码: 194-198
ISSN:0001-4966
年代: 1952
DOI:10.1121/1.1906878
出版商: Acoustical Society of America
数据来源: AIP
摘要:
Data are presented on the dispersion of the velocity of sound and on the effect of impurities upon the rotational relaxation times determined therefrom. The attenuation due to the relaxation is shown to agree with the theory, with some evidence of multiple relaxation. Anomalous dispersions of the classical attenuation and of the Herzfeld reflection coefficient are predicted. The latter is confirmed experimentally and also yields a determination of the accommodation coefficient.
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