About: Efficiency of bubble-particle interaction

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	The attachment of bubbles onto a collecting surface plays a critical role in numerous practical processes. 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 theoretical model, based on an analysis of forces acting on the bubble, leads to a differential equation for the bubble motion. Both the mobile and immobile bubble surface is 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. The attachment of bubbles onto a collecting surface plays a critical role in numerous practical processes. 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 theoretical model, based on an analysis of forces acting on the bubble, leads to a differential equation for the bubble motion. Both the mobile and immobile bubble surface is 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	Efficiency of bubble-particle interaction Efficiency of bubble-particle interaction (en)
skos:prefLabel	Efficiency of bubble-particle interaction Efficiency of bubble-particle interaction (en)
skos:notation	RIV/60461373:22340/13:43895931!RIV14-GA0-22340___
http://linked.open...avai/predkladatel	Fakulta chemicko-inženýrská
http://linked.open...avai/riv/aktivita	P
http://linked.open...avai/riv/aktivity	P(GAP101/11/0806), P(LD13025)
http://linked.open...vai/riv/dodaniDat	2014
http://linked.open...aciTvurceVysledku	Basařová, Pavlína Hubička, Martin
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 chemicko-technologická v Praze / Fakulta chemicko-inženýrská
http://linked.open...dnocenehoVysledku	72036
http://linked.open...ai/riv/idVysledku	RIV/60461373:22340/13:43895931
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	force analysis collision efficiency collision process Bubble-particle interaction flotation
http://linked.open...ontrolniKodProRIV	[A2A12C33C282]
http://linked.open...v/mistoKonaniAkce	Tatranské Matliare
http://linked.open...i/riv/mistoVydani	Bratislava
http://linked.open...i/riv/nazevZdroje	Proceedings of the 40th International Conference of Slovak Society of Chemical Engineering
http://linked.open...in/vavai/riv/obor	CI
http://linked.open...ichTvurcuVysledku	2 (xsd:int)
http://linked.open...cetTvurcuVysledku	2 (xsd:int)
http://linked.open...vavai/riv/projekt	Influence of surface - active agents on bubble-particle interactions Effect of surfactants on the multiphase flow dynamics
http://linked.open...UplatneniVysledku	2013
http://linked.open...iv/tvurceVysledku	Basařová, Pavlína Hubička, Martin
http://linked.open...vavai/riv/typAkce	WRD - Světová
http://linked.open.../riv/zahajeniAkce	2013-05-27 (xsd:date)
number of pages	5 (xsd:int)
http://purl.org/ne...btex#hasPublisher	Slovak Society of Chemical Engineering
https://schema.org/isbn	978-80-89475-09-4
http://localhost/t...ganizacniJednotka	22340

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