About: Oscillation of the shape of rising bubbles

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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	40 years ago, Wellek studied the shape of rising drops in immiscible liquid. The shape of drops was found to be essentially close to an oblate ellipsoid, and the ratio of vertical and horizontal dimension of the side projection of drops was determined as a function of Eötvös number. Resulting well known correlation is also frequently used to predict the shape of medium size so called ellipsoidal bubbles (for air-water system volume of the bubbles 10-500 mm3). By image analysis of records of rising bubbles, obtained using a high speed video camera, time series of characteristic parameters of the bubble projection were obtained. Model of oblate ellipsoid is quite satisfactory. However, unlike the drops, rising bubbles are significantly wobbling and evidently, the ellipsoid and all geometry parameters of its projection change as well. 40 years ago, Wellek studied the shape of rising drops in immiscible liquid. The shape of drops was found to be essentially close to an oblate ellipsoid, and the ratio of vertical and horizontal dimension of the side projection of drops was determined as a function of Eötvös number. Resulting well known correlation is also frequently used to predict the shape of medium size so called ellipsoidal bubbles (for air-water system volume of the bubbles 10-500 mm3). By image analysis of records of rising bubbles, obtained using a high speed video camera, time series of characteristic parameters of the bubble projection were obtained. Model of oblate ellipsoid is quite satisfactory. However, unlike the drops, rising bubbles are significantly wobbling and evidently, the ellipsoid and all geometry parameters of its projection change as well. (en)
Title	Oscillation of the shape of rising bubbles Oscillation of the shape of rising bubbles (en)
skos:prefLabel	Oscillation of the shape of rising bubbles Oscillation of the shape of rising bubbles (en)
skos:notation	RIV/61989100:27360/08:00019418!RIV11-GA0-27360___
http://linked.open...avai/riv/aktivita	P
http://linked.open...avai/riv/aktivity	P(GA104/07/1110)
http://linked.open...vai/riv/dodaniDat	2011
http://linked.open...aciTvurceVysledku	Smutná, Kateřina Wichterle, Kamil Večeř, Marek
http://linked.open.../riv/druhVysledku	D - Článek ve sborníku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Vysoká škola báňská - Technická univerzita Ostrava / Fakulta metalurgie a materiálového inženýrství
http://linked.open...dnocenehoVysledku	385412
http://linked.open...ai/riv/idVysledku	RIV/61989100:27360/08:00019418
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	oscillation frequency, ellipsoidal bubbles, bubble motion (en)
http://linked.open.../riv/klicoveSlovo	bubble motion oscillation frequency ellipsoidal bubbles
http://linked.open...ontrolniKodProRIV	[51ED836AEBC4]
http://linked.open...v/mistoKonaniAkce	Praha, Česká republika
http://linked.open...i/riv/mistoVydani	Praha, Česká republika
http://linked.open...i/riv/nazevZdroje	Hydrodynamic Processes CHISA 2008
http://linked.open...in/vavai/riv/obor	CI
http://linked.open...ichTvurcuVysledku	3 (xsd:int)
http://linked.open...cetTvurcuVysledku	3 (xsd:int)
http://linked.open...vavai/riv/projekt	Hydrodynamics and transport phenomena in multiphase systems: from microscale to macroscale
http://linked.open...UplatneniVysledku	2008
http://linked.open...iv/tvurceVysledku	Večeř, Marek Wichterle, Kamil Smutná, Kateřina
http://linked.open...vavai/riv/typAkce	WRD - Světová
http://linked.open.../riv/zahajeniAkce	2008-08-24 (xsd:date)
number of pages	7 (xsd:int)
http://purl.org/ne...btex#hasPublisher	Process Engineering Publisher, Ing. Jan Novosad
https://schema.org/isbn	978-80-02-02050-9
http://localhost/t...ganizacniJednotka	27360

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