About: EXPERIMENTAL STUDY OF INFLUENCE OF ACTIVE METHODS OF FLOW CONTROL ON THE FLOW FIELD PAST CYLINDER

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	The main emphasis of the paper is placed on an influence of an active method of flow control, as a synthetic jet, on a flow field around a cylinder of aspect ratio 1.8. It summarizes the influence of basic factors that affect the design of the synthetic jet actuator, particularly Strouhal number - nondimensional frequency (F+), Stokes number of output orifice (St), Reynolds number (Re), momentum coefficient (c) and a position of the output orifice of the synthetic jet actuator. The actuator is positioned in front of the boundary layer separation. The principle of a flow control with and without amplitude modulation was used in order to generate lower actuating frequency. An amount of input energy of the actuators that influences the flow filed was measured. A change of lift and drag coefficient was calculated from measured pressure distribution on the model. The alternatives with and without flow control are compared through the relation of saved up and the added energy. The main emphasis of the paper is placed on an influence of an active method of flow control, as a synthetic jet, on a flow field around a cylinder of aspect ratio 1.8. It summarizes the influence of basic factors that affect the design of the synthetic jet actuator, particularly Strouhal number - nondimensional frequency (F+), Stokes number of output orifice (St), Reynolds number (Re), momentum coefficient (c) and a position of the output orifice of the synthetic jet actuator. The actuator is positioned in front of the boundary layer separation. The principle of a flow control with and without amplitude modulation was used in order to generate lower actuating frequency. An amount of input energy of the actuators that influences the flow filed was measured. A change of lift and drag coefficient was calculated from measured pressure distribution on the model. The alternatives with and without flow control are compared through the relation of saved up and the added energy. (en)
Title	EXPERIMENTAL STUDY OF INFLUENCE OF ACTIVE METHODS OF FLOW CONTROL ON THE FLOW FIELD PAST CYLINDER EXPERIMENTAL STUDY OF INFLUENCE OF ACTIVE METHODS OF FLOW CONTROL ON THE FLOW FIELD PAST CYLINDER (en)
skos:prefLabel	EXPERIMENTAL STUDY OF INFLUENCE OF ACTIVE METHODS OF FLOW CONTROL ON THE FLOW FIELD PAST CYLINDER EXPERIMENTAL STUDY OF INFLUENCE OF ACTIVE METHODS OF FLOW CONTROL ON THE FLOW FIELD PAST CYLINDER (en)
skos:notation	RIV/68407700:21220/09:00161193!RIV13-MSM-21220___
http://linked.open...avai/riv/aktivita	P
http://linked.open...avai/riv/aktivity	P(1M06059), P(GA101/08/1112)
http://linked.open...vai/riv/dodaniDat	2013
http://linked.open...aciTvurceVysledku	Nožička, Jiří Matějka, Milan Pick, Petr
http://linked.open.../riv/druhVysledku	O - Ostatní výsledky nezařaditelné do žádného z výše uvedených druhů výsledku
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	314264
http://linked.open...ai/riv/idVysledku	RIV/68407700:21220/09:00161193
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	flow control; synthtetic jet; cylinder; amplitude modulation (en)
http://linked.open.../riv/klicoveSlovo	cylinder amplitude modulation flow control synthtetic jet
http://linked.open...ontrolniKodProRIV	[976D05ACCE35]
http://linked.open...in/vavai/riv/obor	BK
http://linked.open...ichTvurcuVysledku	3 (xsd:int)
http://linked.open...cetTvurcuVysledku	4 (xsd:int)
http://linked.open...vavai/riv/projekt	Advanced Technologies and Systems for Power Engineering Boundary layers separation control
http://linked.open...UplatneniVysledku	2009
http://linked.open...iv/tvurceVysledku	Matějka, Milan Nožička, Jiří Pick, Petr Procházka, Pavel
http://localhost/t...ganizacniJednotka	21220

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