History Dependence of Turbulence Generated by a Vibrating Wire in Superfluid (4)He at 1.5 K

Bradley, Ian and Guénault, A.M. and Fisher, Shaun and Haley, Richard and Jackson, Martin and Nye, Daniel and O'Shea, Kylie and Pickett, George and Tsepelin, Viktor (2011) History Dependence of Turbulence Generated by a Vibrating Wire in Superfluid (4)He at 1.5 K. Journal of Low Temperature Physics, 162 (3-4). pp. 375-382. ISSN 0022-2291

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Abstract

We report on the onset of turbulence in normal and superfluid (4)He using several 13.5 mu m diameter vibrating wire resonators placed in a cell, filtered from the surrounding helium bath. We measured the force-velocity characteristics of the wires in normal and superfluid helium over a velocity range up to several meters per second. The transition from laminar to turbulent behavior can be clearly identified. Surprisingly we find that, depending on the cooling history, turbulence in the superfluid does not always develop fully.

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:
51209
Deposited By:
Deposited On:
21 Nov 2011 10:29
Refereed?:
Yes
Published?:
Published
Last Modified:
12 Mar 2020 02:48