About: BUBBLE RISING IN COUNTERCURRENT FLOW

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	Present paper is focused on experimental study of bubbles levitating in countercurrent downward diverging flow. Air bubbles with volumes 10 mm3<V<1000 mm3 were studied in liquids with different properties (density, viscosity, surface tension, and conductivity) namely water, glycerol solutions, electrolyte solutions of various concentrations, and butyl alcohol. The bubble shape, position and motion have been investigated by quite long direct observation of two plane projection of bubble by high speed camera. Typical sampling frequency was 150 Hz. Relatively long records, nearly one minute (approximately 9000 frames per one bubble observation), allow us to get relevant statistics of treated data. Parameters such bubble shape aspect ratio, determined from both projection planes, and rising velocity was determined and tested for each single bubble with respect of liquid properties. Obtained results are transformed to dimensionless form. New correlation for bubble rising velocity data is proposed. Present paper is focused on experimental study of bubbles levitating in countercurrent downward diverging flow. Air bubbles with volumes 10 mm3<V<1000 mm3 were studied in liquids with different properties (density, viscosity, surface tension, and conductivity) namely water, glycerol solutions, electrolyte solutions of various concentrations, and butyl alcohol. The bubble shape, position and motion have been investigated by quite long direct observation of two plane projection of bubble by high speed camera. Typical sampling frequency was 150 Hz. Relatively long records, nearly one minute (approximately 9000 frames per one bubble observation), allow us to get relevant statistics of treated data. Parameters such bubble shape aspect ratio, determined from both projection planes, and rising velocity was determined and tested for each single bubble with respect of liquid properties. Obtained results are transformed to dimensionless form. New correlation for bubble rising velocity data is proposed. (en)
Title	BUBBLE RISING IN COUNTERCURRENT FLOW BUBBLE RISING IN COUNTERCURRENT FLOW (en)
skos:prefLabel	BUBBLE RISING IN COUNTERCURRENT FLOW BUBBLE RISING IN COUNTERCURRENT FLOW (en)
skos:notation	RIV/61989100:27360/12:86079533!RIV13-GA0-27360___
http://linked.open...avai/riv/aktivita	P
http://linked.open...avai/riv/aktivity	P(ED2.1.00/03.0069), P(GA104/07/1110), P(GA104/09/0972)
http://linked.open...vai/riv/dodaniDat	2013
http://linked.open...aciTvurceVysledku	Leštinský, Pavel 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	125605
http://linked.open...ai/riv/idVysledku	RIV/61989100:27360/12:86079533
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	ellipsoidal bubble, bubble shape, bubble velocity, surface tension, viscosity (en)
http://linked.open.../riv/klicoveSlovo	bubble shape bubble velocity ellipsoidal bubble viscosity surface tension
http://linked.open...ontrolniKodProRIV	[4656B248E005]
http://linked.open...v/mistoKonaniAkce	Napoli
http://linked.open...i/riv/mistoVydani	Řím
http://linked.open...i/riv/nazevZdroje	12th International Conference on MULTIPHASE FLOW IN INDUSTRIAL PLANTS
http://linked.open...in/vavai/riv/obor	CI
http://linked.open...ichTvurcuVysledku	3 (xsd:int)
http://linked.open...cetTvurcuVysledku	4 (xsd:int)
http://linked.open...vavai/riv/projekt	Wall effects in flowing microdispersion liquids: apparent slip and electrokinetic potential ENET - Energy Units for Utilization of non Traditional Energy Sources Hydrodynamics and transport phenomena in multiphase systems: from microscale to macroscale
http://linked.open...UplatneniVysledku	2012
http://linked.open...iv/tvurceVysledku	Růžička, Marek Leštinský, Pavel Večeř, Marek Wichterle, Kamil
http://linked.open...vavai/riv/typAkce	WRD - Světová
http://linked.open.../riv/zahajeniAkce	2011-09-21 (xsd:date)
number of pages	12 (xsd:int)
http://purl.org/ne...btex#hasPublisher	Italian Federation Of Industrial Plant Engineering
https://schema.org/isbn	978-88-89677-22-3
http://localhost/t...ganizacniJednotka	27360

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