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Statements

Subject Item
n2:RIV%2F68378271%3A_____%2F12%3A00379121%21RIV13-AV0-68378271
rdf:type
skos:Concept n11:Vysledek
dcterms:description
An experimental apparatus has been designed to analyze by visualization cryogenic flows of liquid 4He and consequently address unresolved problems of quantum turbulence. Newly implemented flow visualization setup is described and its specific features discussed. Thermal counterflow experiments have been performed and the motion of solid hydrogen and deuterium tracers studied by using the particle tracking velocimetry technique in order to probe the system capabilities. The obtained results are consistent with the two-fluid model describing the behavior of superfluid 4He. A number of technical and fundamental issues, such as particles’ aggregation, role of rotating particles in counterflow and evidence of non-Gaussian distribution of tracers’ velocities, are also discussed. The apparatus appears to be well-suited to the task of analyzing cryogenic flows and potentially capable of obtaining new results stimulating further understanding of the underlying physics. An experimental apparatus has been designed to analyze by visualization cryogenic flows of liquid 4He and consequently address unresolved problems of quantum turbulence. Newly implemented flow visualization setup is described and its specific features discussed. Thermal counterflow experiments have been performed and the motion of solid hydrogen and deuterium tracers studied by using the particle tracking velocimetry technique in order to probe the system capabilities. The obtained results are consistent with the two-fluid model describing the behavior of superfluid 4He. A number of technical and fundamental issues, such as particles’ aggregation, role of rotating particles in counterflow and evidence of non-Gaussian distribution of tracers’ velocities, are also discussed. The apparatus appears to be well-suited to the task of analyzing cryogenic flows and potentially capable of obtaining new results stimulating further understanding of the underlying physics.
dcterms:title
Testing the performance of a cryogenic visualization system on thermal counterflow by using hydrogen and deuterium solid tracers Testing the performance of a cryogenic visualization system on thermal counterflow by using hydrogen and deuterium solid tracers
skos:prefLabel
Testing the performance of a cryogenic visualization system on thermal counterflow by using hydrogen and deuterium solid tracers Testing the performance of a cryogenic visualization system on thermal counterflow by using hydrogen and deuterium solid tracers
skos:notation
RIV/68378271:_____/12:00379121!RIV13-AV0-68378271
n11:predkladatel
n12:ico%3A68378271
n4:aktivita
n14:Z n14:P
n4:aktivity
P(GAP203/11/0442), Z(AV0Z10100520)
n4:cisloPeriodika
5
n4:dodaniDat
n13:2013
n4:domaciTvurceVysledku
n10:4461525
n4:druhVysledku
n19:J
n4:duvernostUdaju
n15:S
n4:entitaPredkladatele
n5:predkladatel
n4:idSjednocenehoVysledku
174066
n4:idVysledku
RIV/68378271:_____/12:00379121
n4:jazykVysledku
n20:eng
n4:klicovaSlova
tracer particles; piv; superfluid helium
n4:klicoveSlovo
n6:tracer%20particles n6:piv n6:superfluid%20helium
n4:kodStatuVydavatele
US - Spojené státy americké
n4:kontrolniKodProRIV
[83D4F898E3D0]
n4:nazevZdroje
Review of Scientific Instruments
n4:obor
n16:BM
n4:pocetDomacichTvurcuVysledku
1
n4:pocetTvurcuVysledku
4
n4:projekt
n7:GAP203%2F11%2F0442
n4:rokUplatneniVysledku
n13:2012
n4:svazekPeriodika
83
n4:tvurceVysledku
Skrbek, L. La Mantia, M. Rotter, M. Chagovets, Tymofiy
n4:wos
000304821500065
n4:zamer
n17:AV0Z10100520
s:issn
0034-6748
s:numberOfPages
8
n18:doi
10.1063/1.4719917