Ratios of specific heat and high-frequency viscosities in organic liquids under pressure, derived from ultrasonic propagation
- 1 April 1957
- journal article
- research article
- Published by Taylor & Francis in Philosophical Magazine
- Vol. 2 (16) , 441-454
- https://doi.org/10.1080/14786435708243834
Abstract
Measurements of the velocity and attenuation of plane sound waves in a number of organic liquids at pressures up to 10 000 lb/in.2 have been made. From the velocity, the adiabatic compressibility is derived and from this, by comparison with the measured isothermal compressibility, the ratio of specific heats as a function of pressure is calculated. By introducing the measured attenuation into the Kirchhoff formula an ‘ultrasonic’ viscosity as a function of pressure is also derived.Keywords
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