About: Modelling of natural and bypass transition in aerodynamics

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	Most of transition models are proposed for modelling of the bypass transition common in the internal aerodynamics especially in turbomachinery where free stream turbulence is the dominant parameter affecting the transition onset. Free-stream turbulence level in the external aerodynamics is usually noticeably lower and so the natural transition often occurs in flows around airfoils. The transition model with the algebraic equation for the intermittency coefficient proposed originally by Straka and Příhoda (2010) for the bypass transition was modified for modelling of the transition at low free-stream turbulence. The modification is carried out using experimental data of Schubauer and Skramstad (1948). Further, the three-equation k-kL-omega model proposed by Walters and Cokljat (2008) was used for the modelling of the transition at low free-stream turbulence. Both models were tested by means of the incompressible flow around airfoils at moderate and very low free-stream turbulence. Most of transition models are proposed for modelling of the bypass transition common in the internal aerodynamics especially in turbomachinery where free stream turbulence is the dominant parameter affecting the transition onset. Free-stream turbulence level in the external aerodynamics is usually noticeably lower and so the natural transition often occurs in flows around airfoils. The transition model with the algebraic equation for the intermittency coefficient proposed originally by Straka and Příhoda (2010) for the bypass transition was modified for modelling of the transition at low free-stream turbulence. The modification is carried out using experimental data of Schubauer and Skramstad (1948). Further, the three-equation k-kL-omega model proposed by Walters and Cokljat (2008) was used for the modelling of the transition at low free-stream turbulence. Both models were tested by means of the incompressible flow around airfoils at moderate and very low free-stream turbulence. (en)
Title	Modelling of natural and bypass transition in aerodynamics Modelling of natural and bypass transition in aerodynamics (en)
skos:prefLabel	Modelling of natural and bypass transition in aerodynamics Modelling of natural and bypass transition in aerodynamics (en)
skos:notation	RIV/61388998:_____/14:00434822!RIV15-GA0-61388998
http://linked.open...avai/riv/aktivita	I P
http://linked.open...avai/riv/aktivity	I, P(GAP101/10/1329), P(GAP101/12/1271)
http://linked.open...vai/riv/dodaniDat	2015
http://linked.open...aciTvurceVysledku	Příhoda, Jaromír
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	Ústav termomechaniky AV ČR, v. v. i.
http://linked.open...dnocenehoVysledku	29907
http://linked.open...ai/riv/idVysledku	RIV/61388998:_____/14:00434822
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	turbulence modelling; laminar/turbulent transition; free stream turbulence (en)
http://linked.open.../riv/klicoveSlovo	turbulence modelling free stream turbulence laminar/turbulent transition
http://linked.open...ontrolniKodProRIV	[A7753EE243FE]
http://linked.open...v/mistoKonaniAkce	Kutná Hora
http://linked.open...i/riv/mistoVydani	Kutná Hora
http://linked.open...i/riv/nazevZdroje	EFM 2013 - Experimental Fluid Mechanics 2013
http://linked.open...in/vavai/riv/obor	BK
http://linked.open...ichTvurcuVysledku	1 (xsd:int)
http://linked.open...cetTvurcuVysledku	3 (xsd:int)
http://linked.open...vavai/riv/projekt	Effect of complex boundary conditions on the laminar/turbulent transition Numerical and experimental research on the flow in axial turbine cascades
http://linked.open...UplatneniVysledku	2014
http://linked.open...iv/tvurceVysledku	Příhoda, Jaromír Straka, P. Fürst, J.
http://linked.open...vavai/riv/typAkce	EUR - Evropská
http://linked.open.../riv/zahajeniAkce	2013-11-19 (xsd:date)
issn	2101-6275
number of pages	6 (xsd:int)
http://bibframe.org/vocab/doi	10.1051/epjconf/20146702030
http://purl.org/ne...btex#hasPublisher	E D P Sciences
https://schema.org/isbn	978-80-260-5375-0

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