About: On the Visualization of Thermal Counterflow of He II Past a Circular Cylinder

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An Entity of Type : http://linked.opendata.cz/ontology/domain/vavai/Vysledek, within Data Space : linked.opendata.cz associated with source document(s)

Attributes	Values
rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
rdfs:seeAlso	http://dx.doi.org/10.1007/s10909-013-0961-z
Description	Thermal counterflow of superfluid He-4 is investigated experimentally in the proximity of a 3 mm diameter cylinder by analyzing the motions of micrometer-sized solid particles, focusing especially on the occurrence of macroscopic vortices. The influence of heating an opaque brass cylinder by the light source is studied, as thermal counterflow is generated from its surface, and compared with the case of a transparent plexiglass cylinder of the same size. Additionally, we report our preliminary investigation of vertical counterflow around the transparent cylinder. We find that care should be taken when applying conventional visualization techniques-particle image velocimetry and particle tracking velocimetry-as spurious vortical structures might be identified in quantum flows displaying two-fluid behavior. Thermal counterflow of superfluid He-4 is investigated experimentally in the proximity of a 3 mm diameter cylinder by analyzing the motions of micrometer-sized solid particles, focusing especially on the occurrence of macroscopic vortices. The influence of heating an opaque brass cylinder by the light source is studied, as thermal counterflow is generated from its surface, and compared with the case of a transparent plexiglass cylinder of the same size. Additionally, we report our preliminary investigation of vertical counterflow around the transparent cylinder. We find that care should be taken when applying conventional visualization techniques-particle image velocimetry and particle tracking velocimetry-as spurious vortical structures might be identified in quantum flows displaying two-fluid behavior. (en)
Title	On the Visualization of Thermal Counterflow of He II Past a Circular Cylinder On the Visualization of Thermal Counterflow of He II Past a Circular Cylinder (en)
skos:prefLabel	On the Visualization of Thermal Counterflow of He II Past a Circular Cylinder On the Visualization of Thermal Counterflow of He II Past a Circular Cylinder (en)
skos:notation	RIV/00216208:11320/14:10291057!RIV15-MSM-11320___
http://linked.open...avai/riv/aktivita	P S
http://linked.open...avai/riv/aktivity	P(GAP203/11/0442), S
http://linked.open...iv/cisloPeriodika	1-2
http://linked.open...vai/riv/dodaniDat	2015
http://linked.open...aciTvurceVysledku	Rotter, Miloš Skrbek, Ladislav Duda, Daniel La Mantia, Marco
http://linked.open.../riv/druhVysledku	J - Článek v odborném periodiku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Univerzita Karlova v Praze / Matematicko-fyzikální fakulta
http://linked.open...dnocenehoVysledku	34536
http://linked.open...ai/riv/idVysledku	RIV/00216208:11320/14:10291057
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	Flow visualization; Thermal counterflow; He-4; Turbulence (en)
http://linked.open.../riv/klicoveSlovo	Turbulence Flow visualization He-4 Thermal counterflow
http://linked.open...odStatuVydavatele	US - Spojené státy americké
http://linked.open...ontrolniKodProRIV	[E6DF76CD48BA]
http://linked.open...i/riv/nazevZdroje	Journal of Low Temperature Physics
http://linked.open...in/vavai/riv/obor	BK
http://linked.open...ichTvurcuVysledku	4 (xsd:int)
http://linked.open...cetTvurcuVysledku	4 (xsd:int)
http://linked.open...vavai/riv/projekt	Visualization of liquid helium flows
http://linked.open...UplatneniVysledku	2014
http://linked.open...v/svazekPeriodika	175
http://linked.open...iv/tvurceVysledku	La Mantia, Marco Rotter, Miloš Skrbek, Ladislav Duda, Daniel
http://linked.open...ain/vavai/riv/wos	000332486200044
issn	0022-2291
number of pages	8 (xsd:int)
http://bibframe.org/vocab/doi	10.1007/s10909-013-0961-z
http://localhost/t...ganizacniJednotka	11320

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