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Statements

Subject Item
n2:RIV%2F61388998%3A_____%2F13%3A00383370%21RIV14-GA0-61388998
rdf:type
n17:Vysledek skos:Concept
dcterms:description
Annular impinging air jets were investigated experimentally using the techniques of flow visualization, measurement of the stagnation pressure, and the naphthalene sublimation method. The bistability and hysteresis lead to two different alternative flow field patterns (A or B) under identical boundary conditions. The bistability and hysteresis were found only at small Reynolds numbers, and at small annular nozzle slot widths. An extension of the nozzle centerbody promotes the tendency to the hysteretic behavior. An enhancement effect for the area-average heat/mass transfer coefficients for the pattern B over A has been quantified. The highest achieved increase was quite significant 32%. Annular impinging air jets were investigated experimentally using the techniques of flow visualization, measurement of the stagnation pressure, and the naphthalene sublimation method. The bistability and hysteresis lead to two different alternative flow field patterns (A or B) under identical boundary conditions. The bistability and hysteresis were found only at small Reynolds numbers, and at small annular nozzle slot widths. An extension of the nozzle centerbody promotes the tendency to the hysteretic behavior. An enhancement effect for the area-average heat/mass transfer coefficients for the pattern B over A has been quantified. The highest achieved increase was quite significant 32%.
dcterms:title
Hysteresis in annular impinging jets Hysteresis in annular impinging jets
skos:prefLabel
Hysteresis in annular impinging jets Hysteresis in annular impinging jets
skos:notation
RIV/61388998:_____/13:00383370!RIV14-GA0-61388998
n17:predkladatel
n18:ico%3A61388998
n3:aktivita
n9:Z n9:P n9:I
n3:aktivity
I, P(GCP101/11/J019), P(IAA200760801), Z(AV0Z20760514)
n3:cisloPeriodika
Januar 2013
n3:dodaniDat
n10:2014
n3:domaciTvurceVysledku
n11:5522331 n11:4143701
n3:druhVysledku
n4:J
n3:duvernostUdaju
n6:S
n3:entitaPredkladatele
n20:predkladatel
n3:idSjednocenehoVysledku
78575
n3:idVysledku
RIV/61388998:_____/13:00383370
n3:jazykVysledku
n14:eng
n3:klicovaSlova
impinging jet; bistability; hysteresis
n3:klicoveSlovo
n13:impinging%20jet n13:bistability n13:hysteresis
n3:kodStatuVydavatele
US - Spojené státy americké
n3:kontrolniKodProRIV
[C859B52D32D2]
n3:nazevZdroje
Experimental Thermal and Fluid Science
n3:obor
n12:BK
n3:pocetDomacichTvurcuVysledku
2
n3:pocetTvurcuVysledku
2
n3:projekt
n16:GCP101%2F11%2FJ019 n16:IAA200760801
n3:rokUplatneniVysledku
n10:2013
n3:svazekPeriodika
44
n3:tvurceVysledku
Tesař, Václav Trávníček, Zdeněk
n3:wos
000316515400058
n3:zamer
n15:AV0Z20760514
s:issn
0894-1777
s:numberOfPages
6
n8:doi
10.1016/j.expthermflusci.2012.08.019