About: Computation of drag and lift coefficients for simple two-dimensional objects with Reynolds number RE=420000

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	The article deals with comparison of drag and lift coefficients for simple two-dimensional objects,which are often discussed in fluid mechanics fundamentals books. The commercial CFD software FLUENT 13 was used for computation of flow fields around the objects and determination of the drag and lift coefficients.The flow fields of the two-dimensional objects were computed for velocity up to 160 km per hour and Reynolds number Re=420000. Main purpose was to verify the suggested computational domain and model settings for further more complex objects geometries. The more complex profiles are used to stabilize asymmetrical ('z'-shaped) pantographs of high-speed trains. The trains are used in two-way traffic where the pantographs have to operate with the same characteristics in both directions. Results of the CFD computations show oscillation of the drag and lift coefficients over time. The results are compared with theoretical and experimental data and discussed. Some examples are presented in the paper. The article deals with comparison of drag and lift coefficients for simple two-dimensional objects,which are often discussed in fluid mechanics fundamentals books. The commercial CFD software FLUENT 13 was used for computation of flow fields around the objects and determination of the drag and lift coefficients.The flow fields of the two-dimensional objects were computed for velocity up to 160 km per hour and Reynolds number Re=420000. Main purpose was to verify the suggested computational domain and model settings for further more complex objects geometries. The more complex profiles are used to stabilize asymmetrical ('z'-shaped) pantographs of high-speed trains. The trains are used in two-way traffic where the pantographs have to operate with the same characteristics in both directions. Results of the CFD computations show oscillation of the drag and lift coefficients over time. The results are compared with theoretical and experimental data and discussed. Some examples are presented in the paper. (en)
Title	Computation of drag and lift coefficients for simple two-dimensional objects with Reynolds number RE=420000 Computation of drag and lift coefficients for simple two-dimensional objects with Reynolds number RE=420000 (en)
skos:prefLabel	Computation of drag and lift coefficients for simple two-dimensional objects with Reynolds number RE=420000 Computation of drag and lift coefficients for simple two-dimensional objects with Reynolds number RE=420000 (en)
skos:notation	RIV/49777513:23640/11:43896692!RIV12-MSM-23640___
http://linked.open...avai/riv/aktivita	P
http://linked.open...avai/riv/aktivity	P(1M06031)
http://linked.open...vai/riv/dodaniDat	2012
http://linked.open...aciTvurceVysledku	Lávička, David Matas, Richard
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	Západočeská univerzita v Plzni / Nové technologie - výzkumné centrum
http://linked.open...dnocenehoVysledku	191482
http://linked.open...ai/riv/idVysledku	RIV/49777513:23640/11:43896692
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	drag and lift coeffiecient, ANSYS/FLUENT, two-dimesional objects, Reynolds number, pantographs (en)
http://linked.open.../riv/klicoveSlovo	ANSYS/FLUENT Reynolds number drag and lift coeffiecient pantographs two-dimesional objects
http://linked.open...ontrolniKodProRIV	[1D0A3DF8EF2F]
http://linked.open...v/mistoKonaniAkce	Jičín
http://linked.open...i/riv/mistoVydani	Liberec
http://linked.open...i/riv/nazevZdroje	Conference Proceedings Volume 2
http://linked.open...in/vavai/riv/obor	BK
http://linked.open...ichTvurcuVysledku	2 (xsd:int)
http://linked.open...cetTvurcuVysledku	2 (xsd:int)
http://linked.open...vavai/riv/projekt	Materials and components for environment protection
http://linked.open...UplatneniVysledku	2011
http://linked.open...iv/tvurceVysledku	Lávička, David Matas, Richard
http://linked.open...vavai/riv/typAkce	WRD - Světová
http://linked.open.../riv/zahajeniAkce	2011-11-22 (xsd:date)
number of pages	6 (xsd:int)
http://purl.org/ne...btex#hasPublisher	Technická univerzita
https://schema.org/isbn	978-80-7372-784-0
http://localhost/t...ganizacniJednotka	23640

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