Calibration Techniques in Ultrahigh-Pressure Apparatus

[+] Author and Article Information
F. P. Bundy

General Electric Research Laboratory, General Electric Company, Schenectady, N. Y.

J. Eng. Ind 83(2), 207-213 (May 01, 1961) (7 pages) doi:10.1115/1.3664464 History: Received August 08, 1960; Online December 09, 2011


Pressure and temperature calibration of ultrahigh-pressure apparatus is described. Pressure calibration up to 30 kilobars has been established accurately. Above this pressures are not known with sufficient absolute accuracy to compare results reliably with theoretical predictions of behavior of matter. The effect of pressure on temperature-sensing devices, like thermocouples, have been measured over temperature intervals of 100 deg C up to pressures of the order of 100 kilobars. The effect on some thermocouples is appreciable.

Copyright © 1961 by ASME
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