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Study on the turbulent flow of superfluid He-4 generated by a vibrating wire

Abstract:

We have studied the flow of superfluid 4He generated by a vibrating wire. As the drive force increases, the velocity of the wire grows in the laminar-flow regime, until it suddenly drops at the onset of the turbulent-flow regime. As the drive force decreases, the turbulence disappears at a critical velocity. This result suggests that the vortices on the wire are confined within a finite size, even in turbulence. We have measured the critical velocity of seven vibrating wires, whose resonance ...

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Publication status:
Published

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Publisher copy:
10.1063/1.2354663

Authors


Nakagawa, M More by this author
Ishikawa, O More by this author
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Journal:
Low Temperature Physics, Pts A and B
Volume:
850
Pages:
195-198
Publication date:
2006
DOI:
EISSN:
1551-7616
ISSN:
0094-243X
URN:
uuid:2f238eaa-7ad1-44d3-bf91-7f68fe9b7ca4
Source identifiers:
311693
Local pid:
pubs:311693

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