About: Unsteady aerodynamic forces measured on a fluttering profil

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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 evaluations of optical measurements of the flow field near the fluttering profile NACA0015 with two-degrees of freedom are presented. Mach number of the airflow was M = 0.21 and M = 0.45, the boundaries of the flutter occurrence. Aerodynamic forces acting on the profile were evaluated in the drag and lift components which enabled to obtain independently the forces corresponding to the upper and lower surfaces of the profile. Using the mentioned decomposition, the new information about mechanism of flutter properties was obtained. The force effects on the upper and lower surfaces are in opposite phases and they are partially eliminated as a result of the circulation around the profile. The cycle changes of this forces cause the permanent energy contribution from the airflow to the vibrating system. The evaluations of optical measurements of the flow field near the fluttering profile NACA0015 with two-degrees of freedom are presented. Mach number of the airflow was M = 0.21 and M = 0.45, the boundaries of the flutter occurrence. Aerodynamic forces acting on the profile were evaluated in the drag and lift components which enabled to obtain independently the forces corresponding to the upper and lower surfaces of the profile. Using the mentioned decomposition, the new information about mechanism of flutter properties was obtained. The force effects on the upper and lower surfaces are in opposite phases and they are partially eliminated as a result of the circulation around the profile. The cycle changes of this forces cause the permanent energy contribution from the airflow to the vibrating system. (en)
Title	Unsteady aerodynamic forces measured on a fluttering profil Unsteady aerodynamic forces measured on a fluttering profil (en)
skos:prefLabel	Unsteady aerodynamic forces measured on a fluttering profil Unsteady aerodynamic forces measured on a fluttering profil (en)
skos:notation	RIV/61388998:_____/13:00392264!RIV14-GA0-61388998
http://linked.open...avai/predkladatel	Ústav termomechaniky AV ČR, v.v.i.
http://linked.open...avai/riv/aktivita	I P
http://linked.open...avai/riv/aktivity	I, P(GA13-10527S)
http://linked.open...vai/riv/dodaniDat	2014
http://linked.open...aciTvurceVysledku	Zolotarev, Igor Kozánek, Jan Vlček, Václav
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	112708
http://linked.open...ai/riv/idVysledku	RIV/61388998:_____/13:00392264
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	aeroelastic experiments; self-excited vibrations; fluttering profile; wind tunnel (en)
http://linked.open.../riv/klicoveSlovo	fluttering profile self-excited vibrations aeroelastic experiments wind tunnel
http://linked.open...ontrolniKodProRIV	[B071F78CF3C2]
http://linked.open...v/mistoKonaniAkce	Svratka
http://linked.open...i/riv/mistoVydani	Prague
http://linked.open...i/riv/nazevZdroje	Engineering Mechanics 2013
http://linked.open...in/vavai/riv/obor	JU
http://linked.open...ichTvurcuVysledku	3 (xsd:int)
http://linked.open...cetTvurcuVysledku	3 (xsd:int)
http://linked.open...vavai/riv/projekt	Subsonic flutter analysis of elastically supported airfoils using interferometry and CFD
http://linked.open...UplatneniVysledku	2013
http://linked.open...iv/tvurceVysledku	Kozánek, Jan Vlček, Václav Zolotarev, Igor
http://linked.open...vavai/riv/typAkce	EUR - Evropská
http://linked.open.../riv/zahajeniAkce	2013-05-13 (xsd:date)
issn	1805-8256
number of pages	9 (xsd:int)
http://purl.org/ne...btex#hasPublisher	Institute of Thermomechanics, Academy of Sciences of the Czech Republic, v. v. i.
https://schema.org/isbn	978-80-87012-47-5

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