About: Collision of a small rising bubble with a large falling particle

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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	While mineral flotation deals with fine particles and larger bubbles, this work is focused on the opposite case of an interaction of a single rising bubble with a larger spherical particle, which falls down through a stagnant liquid. The collision is studied theoretically and experimentally. The theoreticalmodel, based on an analysis of forces acting on the bubble, leads to a differential equation for the bubblemotion. Both themobile and immobile bubble surfaces are considered. The experimental bubble trajectory and velocity evolution are in good agreement with the theoretical model. The horizontal deflection of the bubble trajectory caused by the particle motion is dependent on the ratio of bubble terminal velocity and particle settling velocity. The influence of buoyancy, interception and inertial mechanisms on the collision efficiency is also examined. It is concluded that the buoyancy is the most significant mechanism for the interaction of small bubbles with large particles. While mineral flotation deals with fine particles and larger bubbles, this work is focused on the opposite case of an interaction of a single rising bubble with a larger spherical particle, which falls down through a stagnant liquid. The collision is studied theoretically and experimentally. The theoreticalmodel, based on an analysis of forces acting on the bubble, leads to a differential equation for the bubblemotion. Both themobile and immobile bubble surfaces are considered. The experimental bubble trajectory and velocity evolution are in good agreement with the theoretical model. The horizontal deflection of the bubble trajectory caused by the particle motion is dependent on the ratio of bubble terminal velocity and particle settling velocity. The influence of buoyancy, interception and inertial mechanisms on the collision efficiency is also examined. It is concluded that the buoyancy is the most significant mechanism for the interaction of small bubbles with large particles. (en)
Title	Collision of a small rising bubble with a large falling particle Collision of a small rising bubble with a large falling particle (en)
skos:prefLabel	Collision of a small rising bubble with a large falling particle Collision of a small rising bubble with a large falling particle (en)
skos:notation	RIV/60461373:22340/13:43895933!RIV14-GA0-22340___
http://linked.open...avai/predkladatel	Fakulta chemicko-inženýrská
http://linked.open...avai/riv/aktivita	I P S
http://linked.open...avai/riv/aktivity	I, P(GAP101/11/0806), S
http://linked.open...iv/cisloPeriodika	10 June 2013
http://linked.open...vai/riv/dodaniDat	2014
http://linked.open...aciTvurceVysledku	Basařová, Pavlína Hubička, Martin
http://linked.open.../riv/druhVysledku	J - Článek v odborném periodiku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Vysoká škola chemicko-technologická v Praze / Fakulta chemicko-inženýrská
http://linked.open...dnocenehoVysledku	65933
http://linked.open...ai/riv/idVysledku	RIV/60461373:22340/13:43895933
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	Flotation; Force analysis; Collision efficiency; Collision process; Bubble?particle interaction (en)
http://linked.open.../riv/klicoveSlovo	Bubble?particle interaction Collision efficiency Collision process Flotation Force analysis
http://linked.open...odStatuVydavatele	NL - Nizozemsko
http://linked.open...ontrolniKodProRIV	[2B5F78B9D225]
http://linked.open...i/riv/nazevZdroje	International Journal of Mineral Processing
http://linked.open...in/vavai/riv/obor	CI
http://linked.open...ichTvurcuVysledku	2 (xsd:int)
http://linked.open...cetTvurcuVysledku	3 (xsd:int)
http://linked.open...vavai/riv/projekt	Effect of surfactants on the multiphase flow dynamics
http://linked.open...UplatneniVysledku	2013
http://linked.open...v/svazekPeriodika	121
http://linked.open...iv/tvurceVysledku	Vejražka, Jiří Basařová, Pavlína Hubička, Martin
http://linked.open...ain/vavai/riv/wos	000324296400022
issn	0301-7516
number of pages	9 (xsd:int)
http://bibframe.org/vocab/doi	10.1016/j.minpro.2013.02.013
http://localhost/t...ganizacniJednotka	22340

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