About: Effective hydraulic resistance of actuator nozzle generating a periodic 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)

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	Because of nonlinearity of characteristics of nozzles, their effective hydraulic resistance when generating periodically pulsating jet is higher than the steady-flow value. Author investigated this effect in experiments with a nozzle supplied with superposed steady flow and a pulsation generated by piston-type pulsator, and found deviations from the predictions based on mere nonlinearity. The disagreement is explained by fluid accumulation due to its compressibility in the actuator cavity upstream from the nozzle. Two mathematical models of the periodic accumulation processes were set up. The experimental data are located between the results of these models. The final outcome of this study is a law of universal validity for design of actuators with periodic flows in nozzles. Because of nonlinearity of characteristics of nozzles, their effective hydraulic resistance when generating periodically pulsating jet is higher than the steady-flow value. Author investigated this effect in experiments with a nozzle supplied with superposed steady flow and a pulsation generated by piston-type pulsator, and found deviations from the predictions based on mere nonlinearity. The disagreement is explained by fluid accumulation due to its compressibility in the actuator cavity upstream from the nozzle. Two mathematical models of the periodic accumulation processes were set up. The experimental data are located between the results of these models. The final outcome of this study is a law of universal validity for design of actuators with periodic flows in nozzles. (en)
Title	Effective hydraulic resistance of actuator nozzle generating a periodic jet Effective hydraulic resistance of actuator nozzle generating a periodic jet (en)
skos:prefLabel	Effective hydraulic resistance of actuator nozzle generating a periodic jet Effective hydraulic resistance of actuator nozzle generating a periodic jet (en)
skos:notation	RIV/61388998:_____/12:00376617!RIV13-AV0-61388998
http://linked.open...avai/riv/aktivita	P Z
http://linked.open...avai/riv/aktivity	P(GCP101/11/J019), P(TA02020795), Z(AV0Z20760514)
http://linked.open...iv/cisloPeriodika	JUN 2012
http://linked.open...vai/riv/dodaniDat	2013
http://linked.open...aciTvurceVysledku	Tesař, Václav
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	133378
http://linked.open...ai/riv/idVysledku	RIV/61388998:_____/12:00376617
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	nozzle; periodic flow; compressibility (en)
http://linked.open.../riv/klicoveSlovo	nozzle periodic flow compressibility
http://linked.open...odStatuVydavatele	CH - Švýcarská konfederace
http://linked.open...ontrolniKodProRIV	[B15266420576]
http://linked.open...i/riv/nazevZdroje	Sensors and Actuators A - Physical
http://linked.open...in/vavai/riv/obor	BK
http://linked.open...ichTvurcuVysledku	1 (xsd:int)
http://linked.open...cetTvurcuVysledku	1 (xsd:int)
http://linked.open...vavai/riv/projekt	Implementation of a new principle of fluidic oscillation in the new type of equipments for biogas enrichment and for water treatment treatment. Thermoacoustic prime mover
http://linked.open...UplatneniVysledku	2012
http://linked.open...v/svazekPeriodika	179
http://linked.open...iv/tvurceVysledku	Tesař, Václav
http://linked.open...ain/vavai/riv/wos	000304077100030
http://linked.open...n/vavai/riv/zamer	Complex dynamical systems in thermodynamics, fluid and solid mechanics
issn	0924-4247
number of pages	12 (xsd:int)
http://bibframe.org/vocab/doi	10.1016/j.sna.2012.03.014

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