About: Modelling of natural and bypass transition in aerodynamics

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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)

Attributes	Values
rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
rdfs:seeAlso	http://www.epj-conferences.org/articles/epjconf/abs/2014/04/epjconf_efm-13_02030/epjconf_efm-13_02030.html
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 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. Further, the three-equation k-k L-ω model proposed by Walters and Cokljat 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 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. Further, the three-equation k-k L-ω model proposed by Walters and Cokljat 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/68407700:21220/14:00224300!RIV15-GA0-21220___
http://linked.open...avai/riv/aktivita	P
http://linked.open...avai/riv/aktivity	P(GAP101/10/1329), P(GAP101/12/1271)
http://linked.open...vai/riv/dodaniDat	2015
http://linked.open...aciTvurceVysledku	Fürst, Jiří
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	29908
http://linked.open...ai/riv/idVysledku	RIV/68407700:21220/14:00224300
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	turbulence; transition; Navier-Stokes equations (en)
http://linked.open.../riv/klicoveSlovo	Navier-Stokes equations turbulence transition
http://linked.open...ontrolniKodProRIV	[761C59D9A893]
http://linked.open...v/mistoKonaniAkce	Kolymbari
http://linked.open...i/riv/mistoVydani	Les Ulis Cedex A
http://linked.open...i/riv/nazevZdroje	EPJ Web of Conferences
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	Fürst, Jiří Straka, P. Příhoda, J.
http://linked.open...vavai/riv/typAkce	WRD - Světová
http://linked.open...ain/vavai/riv/wos	000343672100033
http://linked.open.../riv/zahajeniAkce	2012-06-10 (xsd:date)
issn	2100-014X
number of pages	6 (xsd:int)
http://bibframe.org/vocab/doi	10.1051/epjconf/20146702030
http://purl.org/ne...btex#hasPublisher	EDP Sciences
http://localhost/t...ganizacniJednotka	21220

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