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Statements

Subject Item
n2:RIV%2F61989100%3A27230%2F11%3A86081299%21RIV12-GA0-27230___
rdf:type
n10:Vysledek skos:Concept
dcterms:description
The article examines the influence of air content on cavitation development and size of the narrowing Laval nozzles, while the used methods are the methods of mathematical and experimental modeling. In liquids, the air can occur in two forms, either as dissolved or stand. Boundary conditions for numerical calculation were based on experimental measurements, while took place in the workplace VSB-TUO. For the numerical calculation the cavitation model of Schneer-Sauer was chosen, which proved to be the most realistic view of the experiment and was further discussed in the literature [2]. Two variants were tested, which differed in modeled stages (water + vapor and water + vapor +air) and were then compared with the experimental variant. From the tested variants the best values static pressure were gained from variant A (water + vapor), which were compared with the experiment. Only the cavitation region was slightly undervalued. The article examines the influence of air content on cavitation development and size of the narrowing Laval nozzles, while the used methods are the methods of mathematical and experimental modeling. In liquids, the air can occur in two forms, either as dissolved or stand. Boundary conditions for numerical calculation were based on experimental measurements, while took place in the workplace VSB-TUO. For the numerical calculation the cavitation model of Schneer-Sauer was chosen, which proved to be the most realistic view of the experiment and was further discussed in the literature [2]. Two variants were tested, which differed in modeled stages (water + vapor and water + vapor +air) and were then compared with the experimental variant. From the tested variants the best values static pressure were gained from variant A (water + vapor), which were compared with the experiment. Only the cavitation region was slightly undervalued.
dcterms:title
Effect Of Air On The Development And Cavitation Field Effect Of Air On The Development And Cavitation Field
skos:prefLabel
Effect Of Air On The Development And Cavitation Field Effect Of Air On The Development And Cavitation Field
skos:notation
RIV/61989100:27230/11:86081299!RIV12-GA0-27230___
n10:predkladatel
n11:orjk%3A27230
n3:aktivita
n5:P
n3:aktivity
P(GA101/09/1715)
n3:dodaniDat
n12:2012
n3:domaciTvurceVysledku
n6:7435479 n6:9337075
n3:druhVysledku
n18:D
n3:duvernostUdaju
n9:S
n3:entitaPredkladatele
n4:predkladatel
n3:idSjednocenehoVysledku
196168
n3:idVysledku
RIV/61989100:27230/11:86081299
n3:jazykVysledku
n20:eng
n3:klicovaSlova
CFD modeling; experiment; cavitation; laval nozzle
n3:klicoveSlovo
n14:CFD%20modeling n14:laval%20nozzle n14:cavitation n14:experiment
n3:kontrolniKodProRIV
[71711EBE92B3]
n3:mistoKonaniAkce
Ostrava
n3:mistoVydani
Ostrava
n3:nazevZdroje
Proceedings of the 21th International Conference on Hydraulics and Pneumatics
n3:obor
n16:BK
n3:pocetDomacichTvurcuVysledku
2
n3:pocetTvurcuVysledku
2
n3:projekt
n8:GA101%2F09%2F1715
n3:rokUplatneniVysledku
n12:2011
n3:tvurceVysledku
Bílý, Daniel Kozubková, Milada
n3:typAkce
n21:WRD
n3:zahajeniAkce
2011-06-01+02:00
s:numberOfPages
6
n15:hasPublisher
VŠB-TUO, Strojní fakulta. Katedra automatizační techniky a řízení
n19:isbn
978-80-248-2430-7
n17:organizacniJednotka
27230