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Statements

Subject Item
n2:RIV%2F61388998%3A_____%2F12%3A00388349%21RIV13-AV0-61388998
rdf:type
n7:Vysledek skos:Concept
dcterms:description
In this paper we introduce a bubble break-up criterion based on Rayleigh-Taylor instability where the number of fission fragments is taken as a free parameter. Consequently, we identify the bubble break-up time, prior to the time where the minimum volume during the collapse period is achieved, utilizing the most unstable mode of the Rayleigh-Taylor instability. We then modify the model of Delale and Tunc [1] by shifting the time of the discontinuity in the mean bubble radius during break-up to the proposed bubble break-up time before the minimum volume is reached. A numerical algorithm to calculate the predictions of the proposed model is constructed. Results obtained by the proposed bubble break-up criterion, as compared to the model of Delale and Tunc, for a typical violently collapsing cavitation bubble show that, in the proposed model, more energy is dissipated during bubble fission if the number of fission fragments is low enough and that no significant differences in energy dissipation occur between the models for relatively high fission fragment numbers. In this paper we introduce a bubble break-up criterion based on Rayleigh-Taylor instability where the number of fission fragments is taken as a free parameter. Consequently, we identify the bubble break-up time, prior to the time where the minimum volume during the collapse period is achieved, utilizing the most unstable mode of the Rayleigh-Taylor instability. We then modify the model of Delale and Tunc [1] by shifting the time of the discontinuity in the mean bubble radius during break-up to the proposed bubble break-up time before the minimum volume is reached. A numerical algorithm to calculate the predictions of the proposed model is constructed. Results obtained by the proposed bubble break-up criterion, as compared to the model of Delale and Tunc, for a typical violently collapsing cavitation bubble show that, in the proposed model, more energy is dissipated during bubble fission if the number of fission fragments is low enough and that no significant differences in energy dissipation occur between the models for relatively high fission fragment numbers.
dcterms:title
A criterion for the occurrence of bubble fission and its modeling A criterion for the occurrence of bubble fission and its modeling
skos:prefLabel
A criterion for the occurrence of bubble fission and its modeling A criterion for the occurrence of bubble fission and its modeling
skos:notation
RIV/61388998:_____/12:00388349!RIV13-AV0-61388998
n7:predkladatel
n22:ico%3A61388998
n3:aktivita
n6:Z n6:P
n3:aktivity
P(GAP101/10/1428), Z(AV0Z20760514)
n3:dodaniDat
n11:2013
n3:domaciTvurceVysledku
n14:1168711
n3:druhVysledku
n17:D
n3:duvernostUdaju
n23:S
n3:entitaPredkladatele
n13:predkladatel
n3:idSjednocenehoVysledku
120142
n3:idVysledku
RIV/61388998:_____/12:00388349
n3:jazykVysledku
n15:eng
n3:klicovaSlova
bubble dynamics; bubble fission; cavitation
n3:klicoveSlovo
n8:bubble%20dynamics n8:bubble%20fission n8:cavitation
n3:kontrolniKodProRIV
[5CE6CD3B3EC6]
n3:mistoKonaniAkce
Singapur
n3:mistoVydani
Singapore
n3:nazevZdroje
Proceedings of the Eighth International Symposium on Cavitation (CAV 2012)
n3:obor
n21:BK
n3:pocetDomacichTvurcuVysledku
1
n3:pocetTvurcuVysledku
3
n3:projekt
n16:GAP101%2F10%2F1428
n3:rokUplatneniVysledku
n11:2012
n3:tvurceVysledku
Pasinlioğlu, S. Zima, Patrik Delale, C. F.
n3:typAkce
n19:WRD
n3:zahajeniAkce
2012-08-13+02:00
n3:zamer
n9:AV0Z20760514
s:numberOfPages
5
n18:doi
10.3850/978-981-07-2826-7_192
n4:hasPublisher
Research Publishing Services
n20:isbn
978-981-07-2826-7