About: Behavior of Rising Bubbles - Effect of Liquid Properties

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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	This contribution reports on an experimental study of the motion of gas bubbles levitating in liquid counterflow. It was observed that the bubble experiences periodical wobbling motion, and follows a sinusoidal or helical trajectory. A simple hydrodynamic model of horizontal motion was proposed. Evidently, the horizontal motion caused by drift force affects the trajectory shape significantly. According to the model, horizontal velocity and bubble inclination oscillate with the same frequency. The frequency can be evaluated quantitatively. The model predictions were compared with experimental data and a good agreement was found. E xperiments were focused on a levitation of single air bubbles (equivalent diameter 2.7 - 9.1 mm) in a downward liquid flow. The medium-sized bubbles are ellipsoidal with the axis parallel to the direction of bubble motion. Mirror, placed next to measuring section, provides two perpendicular projections of bubble motion. This contribution reports on an experimental study of the motion of gas bubbles levitating in liquid counterflow. It was observed that the bubble experiences periodical wobbling motion, and follows a sinusoidal or helical trajectory. A simple hydrodynamic model of horizontal motion was proposed. Evidently, the horizontal motion caused by drift force affects the trajectory shape significantly. According to the model, horizontal velocity and bubble inclination oscillate with the same frequency. The frequency can be evaluated quantitatively. The model predictions were compared with experimental data and a good agreement was found. E xperiments were focused on a levitation of single air bubbles (equivalent diameter 2.7 - 9.1 mm) in a downward liquid flow. The medium-sized bubbles are ellipsoidal with the axis parallel to the direction of bubble motion. Mirror, placed next to measuring section, provides two perpendicular projections of bubble motion. (en)
Title	Behavior of Rising Bubbles - Effect of Liquid Properties Behavior of Rising Bubbles - Effect of Liquid Properties (en)
skos:prefLabel	Behavior of Rising Bubbles - Effect of Liquid Properties Behavior of Rising Bubbles - Effect of Liquid Properties (en)
skos:notation	RIV/61989100:27360/10:86075631!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	248539
http://linked.open...ai/riv/idVysledku	RIV/61989100:27360/10:86075631
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	Bubble, trajectory, divergent channel (en)
http://linked.open.../riv/klicoveSlovo	Bubble divergent channel trajectory
http://linked.open...ontrolniKodProRIV	[2F12166EEA6F]
http://linked.open...v/mistoKonaniAkce	Praha, CZ
http://linked.open...i/riv/mistoVydani	Praha
http://linked.open...i/riv/nazevZdroje	CHISA 2010
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	Hydrodynamics and transport phenomena in multiphase systems: from microscale to macroscale
http://linked.open...UplatneniVysledku	2010
http://linked.open...iv/tvurceVysledku	Růžička, M. Večeř, Marek Wichterle, Kamil Smutná, Kateřina
http://linked.open...vavai/riv/typAkce	WRD - Světová
http://linked.open.../riv/zahajeniAkce	2010-08-28 (xsd:date)
number of pages	4 (xsd:int)
http://purl.org/ne...btex#hasPublisher	Česká společnost chemického inženýrství
https://schema.org/isbn	978-80-02-02248-0
http://localhost/t...ganizacniJednotka	27360

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