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Quartz Tuning Fork: Thermometer, Pressure- and Viscometer for Helium Liquids

Publication at Faculty of Mathematics and Physics |
2007

Abstract

Commercial quartz oscillators of the tuning-fork type with a resonant frequency of 32 kHz have been investigated in helium liquids. We explore their properties in the regime of linear viscous hydrodynamic response in normal and superfluid 3He and 4He.