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Statements

Subject Item
n2:RIV%2F68407700%3A21220%2F09%3A00161193%21RIV13-MSM-21220___
rdf:type
n16:Vysledek skos:Concept
dcterms: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.
dcterms: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
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
skos:notation
RIV/68407700:21220/09:00161193!RIV13-MSM-21220___
n3:aktivita
n17:P
n3:aktivity
P(1M06059), P(GA101/08/1112)
n3:dodaniDat
n10:2013
n3:domaciTvurceVysledku
n5:7294646 n5:8931305 n5:9127895
n3:druhVysledku
n12:O
n3:duvernostUdaju
n6:S
n3:entitaPredkladatele
n9:predkladatel
n3:idSjednocenehoVysledku
314264
n3:idVysledku
RIV/68407700:21220/09:00161193
n3:jazykVysledku
n4:eng
n3:klicovaSlova
flow control; synthtetic jet; cylinder; amplitude modulation
n3:klicoveSlovo
n11:synthtetic%20jet n11:amplitude%20modulation n11:flow%20control n11:cylinder
n3:kontrolniKodProRIV
[976D05ACCE35]
n3:obor
n8:BK
n3:pocetDomacichTvurcuVysledku
3
n3:pocetTvurcuVysledku
4
n3:projekt
n13:GA101%2F08%2F1112 n13:1M06059
n3:rokUplatneniVysledku
n10:2009
n3:tvurceVysledku
Matějka, Milan Pick, Petr Procházka, Pavel Nožička, Jiří
n14:organizacniJednotka
21220