About: Numerical Simulation of Flows over 2D and 3D Backward-Facing Inclined Steps

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	The work deals with the numerical solution of incompressible turbulent flow in a channel with a backward-facing step having various inclination angles. Also, the inclination of upper wall is considered. The mathematical model is based on the Reynolds averaged Navier–Stokes equations. The governing equations are closed by the explicit algebraic Reynolds stress (EARSM) model according to Wallin and Johansson or by linear eddy viscosity models (SST, TNT k–omega). The numerical solution is carried out by the implicit finite-volume method based on the artificial compressibility and by the finite-element method and both approaches compared. The numerical simulations use as reference the experimental data by Makiola and Driver and Seegmiller in large aspect ratio channels. In these cases, the results are obtained by 2D and 3D simulations. Further narrow channel PIV experimental data are used as reference for 3D simulations. The work deals with the numerical solution of incompressible turbulent flow in a channel with a backward-facing step having various inclination angles. Also, the inclination of upper wall is considered. The mathematical model is based on the Reynolds averaged Navier–Stokes equations. The governing equations are closed by the explicit algebraic Reynolds stress (EARSM) model according to Wallin and Johansson or by linear eddy viscosity models (SST, TNT k–omega). The numerical solution is carried out by the implicit finite-volume method based on the artificial compressibility and by the finite-element method and both approaches compared. The numerical simulations use as reference the experimental data by Makiola and Driver and Seegmiller in large aspect ratio channels. In these cases, the results are obtained by 2D and 3D simulations. Further narrow channel PIV experimental data are used as reference for 3D simulations. (en)
Title	Numerical Simulation of Flows over 2D and 3D Backward-Facing Inclined Steps Numerical Simulation of Flows over 2D and 3D Backward-Facing Inclined Steps (en)
skos:prefLabel	Numerical Simulation of Flows over 2D and 3D Backward-Facing Inclined Steps Numerical Simulation of Flows over 2D and 3D Backward-Facing Inclined Steps (en)
skos:notation	RIV/68407700:21220/13:00209797!RIV14-GA0-21220___
http://linked.open...avai/riv/aktivita	I P
http://linked.open...avai/riv/aktivity	I, P(GA103/09/0977), P(GA13-00522S), P(GAP101/10/1230)
http://linked.open...iv/cisloPeriodika	0
http://linked.open...vai/riv/dodaniDat	2014
http://linked.open...aciTvurceVysledku	Kozel, Karel Sváček, Petr
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	České vysoké učení technické v Praze / Fakulta strojní
http://linked.open...dnocenehoVysledku	92582
http://linked.open...ai/riv/idVysledku	RIV/68407700:21220/13:00209797
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	backward facing step; EARSM turbulence model; one-sided diffuser (en)
http://linked.open.../riv/klicoveSlovo	backward facing step EARSM turbulence model one-sided diffuser
http://linked.open...odStatuVydavatele	NL - Nizozemsko
http://linked.open...ontrolniKodProRIV	[C80099715752]
http://linked.open...i/riv/nazevZdroje	International Journal of Heat and Fluid Flow
http://linked.open...in/vavai/riv/obor	BK
http://linked.open...ichTvurcuVysledku	2 (xsd:int)
http://linked.open...cetTvurcuVysledku	4 (xsd:int)
http://linked.open...vavai/riv/projekt	Qualitative analysis and numerical solution of problems of flows in generally time-dependent domains with various boundary conditions Experimental and numerical modelling of turbulent flow with massive separation Dynamics of secondary flows in channels
http://linked.open...UplatneniVysledku	2013
http://linked.open...v/svazekPeriodika	43
http://linked.open...iv/tvurceVysledku	Kozel, Karel Příhoda, Jaromír Louda, Petr Sváček, Petr
http://linked.open...ain/vavai/riv/wos	000328660000027
issn	0142-727X
number of pages	9 (xsd:int)
http://bibframe.org/vocab/doi	10.1016/j.ijheatfluidflow.2013.05.023
http://localhost/t...ganizacniJednotka	21220

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