About: Numerical Simulation of Unsteady Compressible Flow in Convergent Channel: Pressure Spectral Analysis

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	This study deals with a numerical solution of a 2D flows a compressible viscous fluids in a convergent channel for low inlet airflow velocity. The unsteadiness of the flow is caused by a prescribed periodic motion of a part of the channel wall with large amplitudes, nearly closing the channel during oscillations. The flow is described by the system of Navier-Stokes equations for laminar flows. The numerical solution is implemented using finite volume method (FVM) and the predictor-corrector MacCormack scheme with Jameson artificial viscosity using a gird of quadrilateral cells. Due to the motion of the gird, the basic system of conservation laws is considered in the arbitrary Lagrangian-Eulerian (ALE) form. The numerical results of unsteady flows in the channel are presented for inlet Mach number MĄ = 0.012, Reynolds number Re = 4481. and the wall motion frequency 100 Hz. This study deals with a numerical solution of a 2D flows a compressible viscous fluids in a convergent channel for low inlet airflow velocity. The unsteadiness of the flow is caused by a prescribed periodic motion of a part of the channel wall with large amplitudes, nearly closing the channel during oscillations. The flow is described by the system of Navier-Stokes equations for laminar flows. The numerical solution is implemented using finite volume method (FVM) and the predictor-corrector MacCormack scheme with Jameson artificial viscosity using a gird of quadrilateral cells. Due to the motion of the gird, the basic system of conservation laws is considered in the arbitrary Lagrangian-Eulerian (ALE) form. The numerical results of unsteady flows in the channel are presented for inlet Mach number MĄ = 0.012, Reynolds number Re = 4481. and the wall motion frequency 100 Hz. (en)
Title	Numerical Simulation of Unsteady Compressible Flow in Convergent Channel: Pressure Spectral Analysis Numerical Simulation of Unsteady Compressible Flow in Convergent Channel: Pressure Spectral Analysis (en)
skos:prefLabel	Numerical Simulation of Unsteady Compressible Flow in Convergent Channel: Pressure Spectral Analysis Numerical Simulation of Unsteady Compressible Flow in Convergent Channel: Pressure Spectral Analysis (en)
skos:notation	RIV/61388998:_____/12:00377128!RIV13-AV0-61388998
http://linked.open...avai/predkladatel	Ústav termomechaniky AV ČR, v.v.i.
http://linked.open...avai/riv/aktivita	P Z
http://linked.open...avai/riv/aktivity	P(GA201/08/0012), P(GAP101/11/0207), Z(AV0Z20760514), Z(MSM6840770010)
http://linked.open...iv/cisloPeriodika	545120
http://linked.open...vai/riv/dodaniDat	2013
http://linked.open...aciTvurceVysledku	Horáček, Jaromír Kozel, Karel
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 termomechaniky AV ČR, v. v. i.
http://linked.open...dnocenehoVysledku	155064
http://linked.open...ai/riv/idVysledku	RIV/61388998:_____/12:00377128
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	finite volume method; simulation of flow in vibrating glottis; biomechanics of voice (en)
http://linked.open.../riv/klicoveSlovo	biomechanics of voice finite volume method simulation of flow in vibrating glottis
http://linked.open...odStatuVydavatele	US - Spojené státy americké
http://linked.open...ontrolniKodProRIV	[D7DBF702B21B]
http://linked.open...i/riv/nazevZdroje	Journal of Applied Mathematics
http://linked.open...in/vavai/riv/obor	BI
http://linked.open...ichTvurcuVysledku	2 (xsd:int)
http://linked.open...cetTvurcuVysledku	3 (xsd:int)
http://linked.open...vavai/riv/projekt	Qualitative analysis and numerical solution of flow problems Coupled problems of fluid and solid mechanics - nonlinear aeroelasticity
http://linked.open...UplatneniVysledku	2012
http://linked.open...v/svazekPeriodika	2012
http://linked.open...iv/tvurceVysledku	Horáček, Jaromír Kozel, Karel Pořízková, P.
http://linked.open...ain/vavai/riv/wos	000304943900001
http://linked.open...n/vavai/riv/zamer	Complex dynamical systems in thermodynamics, fluid and solid mechanics Aplikovaná matematika v technických a fyzikálních vědách
issn	1110-757X
number of pages	9 (xsd:int)
http://bibframe.org/vocab/doi	10.1155/2012/545120
is http://linked.open...avai/riv/vysledek of	Numerical Simulation of Unsteady Compressible Flow in Convergent Channel: Pressure Spectral Analysis

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