About: The Transitional Backward-Facing Step Flow in a Water Channel with Variable Expansion Geometry

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	The backward-facing step flow is investigated experimentally and numerically at moderate Reynolds numbers. The different channel expansion ratios (ER = 1.4, 2, 2.5, and 4) and inlet flow conditions (steady and pulsatile) are applied with the aim to analyze the structure and stability of the flow behind the step. The electrodiffusion technique is used to measure the wall shear rate along the experimental water channel. The direction sensitive sensors detect the near-wall extent of different flow-recirculation regions (the primary recirculation, the secondary corner, roof, and bottom eddies). The results of 2D numerical simulations performed in commercial CFD software FLUENT provide additional information on the global flow rearrangement caused by the change of operation parameters. The backward-facing step flow is investigated experimentally and numerically at moderate Reynolds numbers. The different channel expansion ratios (ER = 1.4, 2, 2.5, and 4) and inlet flow conditions (steady and pulsatile) are applied with the aim to analyze the structure and stability of the flow behind the step. The electrodiffusion technique is used to measure the wall shear rate along the experimental water channel. The direction sensitive sensors detect the near-wall extent of different flow-recirculation regions (the primary recirculation, the secondary corner, roof, and bottom eddies). The results of 2D numerical simulations performed in commercial CFD software FLUENT provide additional information on the global flow rearrangement caused by the change of operation parameters. (en)
Title	The Transitional Backward-Facing Step Flow in a Water Channel with Variable Expansion Geometry The Transitional Backward-Facing Step Flow in a Water Channel with Variable Expansion Geometry (en)
skos:prefLabel	The Transitional Backward-Facing Step Flow in a Water Channel with Variable Expansion Geometry The Transitional Backward-Facing Step Flow in a Water Channel with Variable Expansion Geometry (en)
skos:notation	RIV/67985858:_____/12:00376600!RIV13-GA0-67985858
http://linked.open...avai/predkladatel	Ústav chemických procesů Akademie Věd ČR, v.v.i.
http://linked.open...avai/riv/aktivita	P Z
http://linked.open...avai/riv/aktivity	P(GA104/07/1110), P(GAP101/11/0806), Z(AV0Z40720504)
http://linked.open...iv/cisloPeriodika	JUL
http://linked.open...vai/riv/dodaniDat	2013
http://linked.open...aciTvurceVysledku	Pěnkavová, Věra Tihon, Jaroslav Šimčík, Miroslav Havlica, Jaromír
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	Ústav chemických procesů AV ČR, v. v. i.
http://linked.open...dnocenehoVysledku	174924
http://linked.open...ai/riv/idVysledku	RIV/67985858:_____/12:00376600
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	backward-facing step flow; wall shear stress; flow forcing (en)
http://linked.open.../riv/klicoveSlovo	backward-facing step flow flow forcing wall shear stress
http://linked.open...odStatuVydavatele	US - Spojené státy americké
http://linked.open...ontrolniKodProRIV	[99D5BD915EC8]
http://linked.open...i/riv/nazevZdroje	Experimental Thermal and Fluid Science
http://linked.open...in/vavai/riv/obor	CI
http://linked.open...ichTvurcuVysledku	4 (xsd:int)
http://linked.open...cetTvurcuVysledku	4 (xsd:int)
http://linked.open...vavai/riv/projekt	Effect of surfactants on the multiphase flow dynamics Hydrodynamics and transport phenomena in multiphase systems: from microscale to macroscale
http://linked.open...UplatneniVysledku	2012
http://linked.open...v/svazekPeriodika	40
http://linked.open...iv/tvurceVysledku	Pěnkavová, Věra Tihon, Jaroslav Šimčík, Miroslav Havlica, Jaromír
http://linked.open...ain/vavai/riv/wos	000304513700013
http://linked.open...n/vavai/riv/zamer	Investigation of multiphase reacting systems for the design of processes important in synthesis and preparation of novel materials, in energy production and in environmental protection
issn	0894-1777
number of pages	14 (xsd:int)
http://bibframe.org/vocab/doi	10.1016/j.expthermflusci.2012.02.006
is http://linked.open...avai/riv/vysledek of	The Transitional Backward-Facing Step Flow in a Water Channel with Variable Expansion Geometry

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