Ultrasonic Determination of Transport Properties of Monatomic Gases at High Temperatures
- 15 April 1967
- journal article
- Published by AIP Publishing in The Journal of Chemical Physics
- Vol. 46 (8) , 3040-3047
- https://doi.org/10.1063/1.1841175
Abstract
An ultrasonic method has been used to determine experimentally the temperature and transport properties of monatomic gases. Both the sound velocity and the sound absorption were measured in helium up to 1300°K and argon up to 8000°K. The temperatures were calculated from the well-known theoretical temperature—sound velocity relation. The transport properties were calculated from the Stokes—Kirchoff expression for the sound absorption. The viscosity determinations agree with independent results of other investigators, thereby establishing the validity of this ultrasonic technique in determining transport properties of monatomic gases at high temperatures.Keywords
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