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Statements

Subject Item
n2:RIV%2F61388998%3A_____%2F12%3A00375006%21RIV13-AV0-61388998
rdf:type
n7:Vysledek skos:Concept
dcterms:description
A near field of annular jets and annular impinging jets is experimentally investigated at three inner/outer diameter ratios 0.84, 0.90 and 0.95. Time-mean velocity profiles are evaluated, and three main flow field zones are distinguished – in agreement with the literature, namely the initial merging zone, the intermediate one, and the fully merged one. A distribution of the pressure on the impingement wall is measured for various nozzle-to-wall distances. Two basic annular impinging jet regimes are clearly distinguished, with either small or large recirculation bubbles. Moreover, a hysteretic behavior has been identified under specific parameters. A near field of annular jets and annular impinging jets is experimentally investigated at three inner/outer diameter ratios 0.84, 0.90 and 0.95. Time-mean velocity profiles are evaluated, and three main flow field zones are distinguished – in agreement with the literature, namely the initial merging zone, the intermediate one, and the fully merged one. A distribution of the pressure on the impingement wall is measured for various nozzle-to-wall distances. Two basic annular impinging jet regimes are clearly distinguished, with either small or large recirculation bubbles. Moreover, a hysteretic behavior has been identified under specific parameters.
dcterms:title
Annular Jets and Annular Impinging Jets Annular Jets and Annular Impinging Jets
skos:prefLabel
Annular Jets and Annular Impinging Jets Annular Jets and Annular Impinging Jets
skos:notation
RIV/61388998:_____/12:00375006!RIV13-AV0-61388998
n7:predkladatel
n11:ico%3A61388998
n3:aktivita
n18:Z n18:P
n3:aktivity
P(GCP101/11/J019), P(IAA200760801), Z(AV0Z20760514)
n3:dodaniDat
n8:2013
n3:domaciTvurceVysledku
n14:4143701 n14:5522331 n14:8886512 n14:8412472
n3:druhVysledku
n6:D
n3:duvernostUdaju
n17:S
n3:entitaPredkladatele
n4:predkladatel
n3:idSjednocenehoVysledku
122835
n3:idVysledku
RIV/61388998:_____/12:00375006
n3:jazykVysledku
n5:eng
n3:klicovaSlova
annular jet; bistability; hysteresis
n3:klicoveSlovo
n10:hysteresis n10:annular%20jet n10:bistability
n3:kontrolniKodProRIV
[226535717117]
n3:mistoKonaniAkce
Praha
n3:mistoVydani
Praha
n3:nazevZdroje
Conference Topical problem of Fluid Mechanics 2012
n3:obor
n15:BK
n3:pocetDomacichTvurcuVysledku
4
n3:pocetTvurcuVysledku
4
n3:projekt
n16:IAA200760801 n16:GCP101%2F11%2FJ019
n3:rokUplatneniVysledku
n8:2012
n3:tvurceVysledku
Turek, Tomáš Šafařík, Pavel Tesař, Václav Trávníček, Zdeněk
n3:typAkce
n19:EUR
n3:zahajeniAkce
2012-02-15+01:00
n3:zamer
n12:AV0Z20760514
s:numberOfPages
4
n21:hasPublisher
Ústav termomechaniky AV ČR, v. v. i
n22:isbn
978-80-87012-40-6