

Relative acoustic gas thermometry setup for low temperature range from 4,2 to 80 K
https://doi.org/10.32446/0369-1025it.2020-1-45-52
Abstract
Relative acoustic gas thermometry setup is described. Described setup was developed and tested in VNIIFTRI. The setup is designed for the measurement of thermodynamic temperature in low temperature range down to 4,2 K. Main part of the setup is resonator with reduced cavity diameter. Reduction of resonator dimension lead to several times reduction of cooled parts of the setup with respect to the setup previously developed in VNIIFTRI. This decreases liquid nitrogen and liquid helium consumption required for cooling of resonator. Moreover, reduction of the mass of cooling parts reduces time required for temperature stabilization and thus measurement time. In the work the tests’ results of operation of main parts of the setup are presented.
About the Authors
V. G. KytinRussian Federation
Vladimir G. Kytin
Mendeleevo, Moscow region
M. Yu. Ghavalyan
Russian Federation
Mamikon Yu. Ghavalyan
Mendeleevo, Moscow region
B. G. Potapov
Russian Federation
Boris G. Potapov
Mendeleevo, Moscow region
E. G. Aslanyan
Russian Federation
Eduard G. Aslanyan
Mendeleevo, Moscow region
A. N. Shchipunov
Russian Federation
Andrey N. Shchipunov
Mendeleevo, Moscow region
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Review
For citations:
Kytin V.G., Ghavalyan M.Yu., Potapov B.G., Aslanyan E.G., Shchipunov A.N. Relative acoustic gas thermometry setup for low temperature range from 4,2 to 80 K. Izmeritel`naya Tekhnika. 2020;(1):45-51. (In Russ.) https://doi.org/10.32446/0369-1025it.2020-1-45-52