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Description
| - Quantum turbulence in superfluid 4He is studied by the attenuation of second sound in channels of 7-mm and 10-mm side square cross sections, and 115-mm length. The ends of the channels are plugged by sintered silver superleaks to allow a pure superflow. Flows are generated by mechanically operating a low temperature bellows assembly, as opposed to the helium fountain pump commonly used for previous superflow turbulence studies. The temperature range is 1.35 K < T < 1.95 K. The observed turbulent steady state is characterized by the vortex line density L1/2 = γ(T)(v vc), where v is the mean superflow velocity and vc is the critical velocity for the onset of turbulence. The character of the steady state agrees with the Vinen phenomenological model for thermal counterflow turbulence. The coefficient γ(T) is in fair agreement with previous thermal pure superflow and counterflow experiments.
- Quantum turbulence in superfluid 4He is studied by the attenuation of second sound in channels of 7-mm and 10-mm side square cross sections, and 115-mm length. The ends of the channels are plugged by sintered silver superleaks to allow a pure superflow. Flows are generated by mechanically operating a low temperature bellows assembly, as opposed to the helium fountain pump commonly used for previous superflow turbulence studies. The temperature range is 1.35 K < T < 1.95 K. The observed turbulent steady state is characterized by the vortex line density L1/2 = γ(T)(v vc), where v is the mean superflow velocity and vc is the critical velocity for the onset of turbulence. The character of the steady state agrees with the Vinen phenomenological model for thermal counterflow turbulence. The coefficient γ(T) is in fair agreement with previous thermal pure superflow and counterflow experiments. (en)
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Title
| - Quantum turbulence of bellows-driven 4He superflow: steady state
- Quantum turbulence of bellows-driven 4He superflow: steady state (en)
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skos:prefLabel
| - Quantum turbulence of bellows-driven 4He superflow: steady state
- Quantum turbulence of bellows-driven 4He superflow: steady state (en)
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skos:notation
| - RIV/68378271:_____/12:00390395!RIV13-GA0-68378271
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http://linked.open...avai/predkladatel
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http://linked.open...avai/riv/aktivita
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http://linked.open...avai/riv/aktivity
| - P(GA202/08/0276), Z(AV0Z10100520)
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http://linked.open...iv/cisloPeriodika
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http://linked.open...vai/riv/dodaniDat
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http://linked.open...aciTvurceVysledku
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http://linked.open.../riv/druhVysledku
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http://linked.open...iv/duvernostUdaju
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http://linked.open...titaPredkladatele
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http://linked.open...dnocenehoVysledku
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http://linked.open...ai/riv/idVysledku
| - RIV/68378271:_____/12:00390395
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http://linked.open...riv/jazykVysledku
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http://linked.open.../riv/klicovaSlova
| - quantum turbulence; superfluidity; helium 4 (en)
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http://linked.open.../riv/klicoveSlovo
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http://linked.open...odStatuVydavatele
| - US - Spojené státy americké
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http://linked.open...ontrolniKodProRIV
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http://linked.open...i/riv/nazevZdroje
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http://linked.open...in/vavai/riv/obor
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http://linked.open...ichTvurcuVysledku
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http://linked.open...cetTvurcuVysledku
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http://linked.open...vavai/riv/projekt
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http://linked.open...UplatneniVysledku
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http://linked.open...v/svazekPeriodika
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http://linked.open...iv/tvurceVysledku
| - Skrbek, L.
- Babuin, Simone
- Rotter, M.
- Stammeier, M.
- Varga, E.
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http://linked.open...ain/vavai/riv/wos
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http://linked.open...n/vavai/riv/zamer
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issn
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number of pages
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http://bibframe.org/vocab/doi
| - 10.1103/PhysRevB.86.134515
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is http://linked.open...avai/riv/vysledek
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