Quartz tuning fork:Thermometer, pressure- and viscometer for helium liquids

Blaauwgeers, R. and Blazkova, M. and Clovecko, M. and Eltsov, V. B. and de Graaf, R. and Hosio, J. and Krusius, M. and Schmoranzer, D. and Schoepe, W. and Skrbek, L. and Skyba, P. and Solntsev, R. E. and Zmeev, D. E. (2007) Quartz tuning fork:Thermometer, pressure- and viscometer for helium liquids. Journal of Low Temperature Physics, 146 (5-6). pp. 537-562. ISSN 0022-2291

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Abstract

Commercial quartz oscillators of the tuning-fork type with a resonant frequency of similar to 32 kHz have been investigated in helium liquids. The oscillators are found to have at best Q values in the range 10(5)-10(6), when measured in vacuum below 1.5 K. However, the variability is large and for very low temperature operation the sensor has to be preselected. We explore their properties in the regime of linear viscous hydrodynamic response in normal and superfluid 3He and He-4, by comparing measurements to the hydrodynamic model of the sensor.

Item Type:
Journal Article
Journal or Publication Title:
Journal of Low Temperature Physics
Uncontrolled Keywords:
/dk/atira/pure/subjectarea/asjc/3100/3104
Subjects:
ID Code:
88261
Deposited By:
Deposited On:
16 Oct 2017 09:00
Refereed?:
Yes
Published?:
Published
Last Modified:
01 Sep 2020 04:14