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Vibrating Quartz Fork—A Tool for Cryogenic Helium Research |
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| Authors: | M Blažková M Človečko V B Eltsov E Gažo R de Graaf J J Hosio M Krusius D Schmoranzer W Schoepe L Skrbek P Skyba R E Solntsev W F Vinen |
| Affiliation: | 1. Institute of Physics ASCR, v.v.i., Na Slovance 2, 182 21, Prague, Czech Republic 2. Center of Low Temperature Physics, Institute of Experimental Physics, Watsonova 47, 04 001, Kosice, Slovakia 3. Low Temperature Laboratory, Helsinki University of Technology, 02015-TKK, Helsinki, Finland 4. Faculty of Mathematics and Physics, Charles University, V Hole?ovi?kách 2, 180 00, Prague, Czech Republic 5. Fakult?t für Physik, Universit?t Regensburg, 93040, Regensburg, Germany 6. School of Physics and Astronomy, University of Birmingham, Birmingham, B15 2TT, UK |
| Abstract: | Oscillating objects such as discs, piles of discs, spheres, grids and wires have been widely used in cryogenic fluid dynamics and in quantum fluids research since the discovery of superfluidity. A new addition are quartz tuning forks, commercially available frequency standards. We review their use as thermometers, pressure- and viscometers as well as their potential as generators and detectors of cavitation and turbulence in viscous and superfluid He liquids. |
| Keywords: | Low temperature instrumentation and new techniques Normal 3He Superfluid 3He Superfluid 4He Turbulence |
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