About: Spectral analysis of a synthetic jet

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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.sciencedirect.com/science/article/pii/S0924424711000628
Description	In their earlier publications, the present authors discovered a phenomenon, previously not reported, of sudden substantial change in the character and structure of axisymmetric synthetic jets that occurs at relative axial distance 50 nozzle diameters. It was suggested the change is associated with the transition from the regime dominated by coherent vortical structures into the flow dominated by stochastic turbulence. To validate this hypothesis, frequency spectra were incestigated at various locations in a synthetic jet generated in d = 4mm dia. nozzle at the forcing frequency ff = 30Hz. The results corroborate the idea. In addition, the analysis has lead to several previously not known facts about structure and character of synthetic jets. In their earlier publications, the present authors discovered a phenomenon, previously not reported, of sudden substantial change in the character and structure of axisymmetric synthetic jets that occurs at relative axial distance 50 nozzle diameters. It was suggested the change is associated with the transition from the regime dominated by coherent vortical structures into the flow dominated by stochastic turbulence. To validate this hypothesis, frequency spectra were incestigated at various locations in a synthetic jet generated in d = 4mm dia. nozzle at the forcing frequency ff = 30Hz. The results corroborate the idea. In addition, the analysis has lead to several previously not known facts about structure and character of synthetic jets. (en)
Title	Spectral analysis of a synthetic jet Spectral analysis of a synthetic jet (en)
skos:prefLabel	Spectral analysis of a synthetic jet Spectral analysis of a synthetic jet (en)
skos:notation	RIV/61388998:_____/11:00359158!RIV12-AV0-61388998
http://linked.open...avai/predkladatel	Ústav termomechaniky AV ČR, v.v.i.
http://linked.open...avai/riv/aktivita	P Z
http://linked.open...avai/riv/aktivity	P(GA101/07/1499), P(IAA200760705), Z(AV0Z20760514)
http://linked.open...iv/cisloPeriodika	2
http://linked.open...vai/riv/dodaniDat	2012
http://linked.open...aciTvurceVysledku	Tesař, Václav Kordík, Jozef
http://linked.open.../riv/druhVysledku	J - Článek v odborném periodiku
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	231365
http://linked.open...ai/riv/idVysledku	RIV/61388998:_____/11:00359158
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	jet; synthetic jet; frequency spectrum (en)
http://linked.open.../riv/klicoveSlovo	jet frequency spectrum synthetic jet
http://linked.open...odStatuVydavatele	CH - Švýcarská konfederace
http://linked.open...ontrolniKodProRIV	[210DC96720A7]
http://linked.open...i/riv/nazevZdroje	Sensors and Actuators A - Physical
http://linked.open...in/vavai/riv/obor	BK
http://linked.open...ichTvurcuVysledku	2 (xsd:int)
http://linked.open...cetTvurcuVysledku	2 (xsd:int)
http://linked.open...vavai/riv/projekt	Non-conventional impinging flows PARADOX OF HELICAL INSTABILITIES
http://linked.open...UplatneniVysledku	2011
http://linked.open...v/svazekPeriodika	167
http://linked.open...iv/tvurceVysledku	Tesař, Václav Kordík, Jozef
http://linked.open...ain/vavai/riv/wos	000291286300009
http://linked.open...n/vavai/riv/zamer	Complex dynamical systems in thermodynamics, fluid and solid mechanics
issn	0924-4247
number of pages	13 (xsd:int)
http://bibframe.org/vocab/doi	10.1016/j.sna.2011.02.011
is http://linked.open...avai/riv/vysledek of	Spectral analysis of a synthetic jet Spectral analysis of a synthetic jet

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