About: Simulation of Gas Exhaustion from a Combustion Chamber of a Reciprocating Engine

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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)

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	The document deals with a numerical simulation of a flow leaving the combustion chamber of a four-stroke engine. The problem has been solved with an in-house numerical code, based on finite volume method. The flow model is simplified to an ideal gas, neglecting all the flow chemistry. The flow has been described by a set of Reynolds-Averaged Navier-Stokes equations, together with equations of a turbulence model. The AUSM+up scheme has been used. Spatial accuracy of the scheme has been improved by the use of linear reconstruction with a limiter. Contours of both the valve and the exhaust channel contain several sharp corners causing flow separations inside the domain observed. These recirculations affect strongly the flow pattern in a pipe. Several geometrical configurations of the exhaust pipe have been tested, in order to study the influence of geometry detailness. The contribution presents several actual results revealing the flow structure. The document deals with a numerical simulation of a flow leaving the combustion chamber of a four-stroke engine. The problem has been solved with an in-house numerical code, based on finite volume method. The flow model is simplified to an ideal gas, neglecting all the flow chemistry. The flow has been described by a set of Reynolds-Averaged Navier-Stokes equations, together with equations of a turbulence model. The AUSM+up scheme has been used. Spatial accuracy of the scheme has been improved by the use of linear reconstruction with a limiter. Contours of both the valve and the exhaust channel contain several sharp corners causing flow separations inside the domain observed. These recirculations affect strongly the flow pattern in a pipe. Several geometrical configurations of the exhaust pipe have been tested, in order to study the influence of geometry detailness. The contribution presents several actual results revealing the flow structure. (en)
Title	Simulation of Gas Exhaustion from a Combustion Chamber of a Reciprocating Engine Simulation of Gas Exhaustion from a Combustion Chamber of a Reciprocating Engine (en)
skos:prefLabel	Simulation of Gas Exhaustion from a Combustion Chamber of a Reciprocating Engine Simulation of Gas Exhaustion from a Combustion Chamber of a Reciprocating Engine (en)
skos:notation	RIV/68407700:21220/10:00169271!RIV11-GA0-21220___
http://linked.open...avai/riv/aktivita	P
http://linked.open...avai/riv/aktivity	P(1M0568), P(GAP101/10/1329)
http://linked.open...vai/riv/dodaniDat	2011
http://linked.open...aciTvurceVysledku	Fořt, Jaroslav Žaloudek, Milan
http://linked.open.../riv/druhVysledku	D - Článek ve sborníku
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	287459
http://linked.open...ai/riv/idVysledku	RIV/68407700:21220/10:00169271
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	numerical simulation; AUSM scheme; exhaust systems; turbulence (en)
http://linked.open.../riv/klicoveSlovo	exhaust systems turbulence numerical simulation AUSM scheme
http://linked.open...ontrolniKodProRIV	[993EC1A61FBB]
http://linked.open...v/mistoKonaniAkce	Lisabon
http://linked.open...i/riv/mistoVydani	Lisbon
http://linked.open...i/riv/nazevZdroje	Proceedings of the Fifth Conference on Computation Fluid Dynamics ECCOMAS CFD 2010
http://linked.open...in/vavai/riv/obor	BK
http://linked.open...ichTvurcuVysledku	2 (xsd:int)
http://linked.open...cetTvurcuVysledku	3 (xsd:int)
http://linked.open...vavai/riv/projekt	Josef Božek Research Center of Engine and Automotive Technology II Numerical and experimental research on the flow in axial turbine cascades
http://linked.open...UplatneniVysledku	2010
http://linked.open...iv/tvurceVysledku	Fořt, Jaroslav Deconinck, H. Žaloudek, Milan
http://linked.open...vavai/riv/typAkce	WRD - Světová
http://linked.open.../riv/zahajeniAkce	2010-06-14 (xsd:date)
number of pages	13 (xsd:int)
http://purl.org/ne...btex#hasPublisher	Instituto Superior Técnico, Technical University of Lisbon, National Civil Engineering Laboratory
https://schema.org/isbn	978-989-96778-1-4
http://localhost/t...ganizacniJednotka	21220

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