About: Dynamics of Shape Oscillations of a Bubble Attached to a Capillary Tip

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	The shape oscillations of a bubble, which is attached to a tip of a capillary tube, are studied experimentally. It is observed that the attachment leads to an appearance of an additional low-frequency mode (denoted as mode 1), when compared to standard theories of oscillations of free bubbles or drops (e.g., Miller & Scriven, 1968). It is observed that the frequency of mode 1 scales with the bubble size as f D-2. The oscillation dynamics of a bubble is strongly influenced if some surface active agent is present in the liquid. Due to interfacial elasticity, the surfactants presence in low concentration increases the oscillation frequency. The decay of oscillations is also faster, probably due to an increase of energy dissipation by Marangoni stresses. The shape oscillations of a bubble, which is attached to a tip of a capillary tube, are studied experimentally. It is observed that the attachment leads to an appearance of an additional low-frequency mode (denoted as mode 1), when compared to standard theories of oscillations of free bubbles or drops (e.g., Miller & Scriven, 1968). It is observed that the frequency of mode 1 scales with the bubble size as f D-2. The oscillation dynamics of a bubble is strongly influenced if some surface active agent is present in the liquid. Due to interfacial elasticity, the surfactants presence in low concentration increases the oscillation frequency. The decay of oscillations is also faster, probably due to an increase of energy dissipation by Marangoni stresses. (en)
Title	Dynamics of Shape Oscillations of a Bubble Attached to a Capillary Tip Dynamics of Shape Oscillations of a Bubble Attached to a Capillary Tip (en)
skos:prefLabel	Dynamics of Shape Oscillations of a Bubble Attached to a Capillary Tip Dynamics of Shape Oscillations of a Bubble Attached to a Capillary Tip (en)
skos:notation	RIV/67985858:_____/12:00390269!RIV13-GA0-67985858
http://linked.open...avai/riv/aktivita	P Z
http://linked.open...avai/riv/aktivity	P(GA104/07/1110), P(IAA200720801), P(KJB200720801), Z(AV0Z40720504)
http://linked.open...iv/cisloPeriodika	16 April
http://linked.open...vai/riv/dodaniDat	2013
http://linked.open...aciTvurceVysledku	Tihon, Jaroslav Orvalho, Sandra Petronilho Vejražka, Jiří Vobecká, Lucie Zedníková, Mária
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	Ústav chemických procesů AV ČR, v. v. i.
http://linked.open...dnocenehoVysledku	132563
http://linked.open...ai/riv/idVysledku	RIV/67985858:_____/12:00390269
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	bubble oscillations; surface active agents; damping (en)
http://linked.open.../riv/klicoveSlovo	damping bubble oscillations surface active agents
http://linked.open...odStatuVydavatele	FR - Francouzská republika
http://linked.open...ontrolniKodProRIV	[AE038D2E6167]
http://linked.open...i/riv/nazevZdroje	EPJ Web of Conferences
http://linked.open...in/vavai/riv/obor	CI
http://linked.open...ichTvurcuVysledku	5 (xsd:int)
http://linked.open...cetTvurcuVysledku	5 (xsd:int)
http://linked.open...vavai/riv/projekt	Analysis of hydrodynamic forces acting on bubbles by PIV measurements Hydrodynamics of bubble-particle interactions under liquid circulation Hydrodynamics and transport phenomena in multiphase systems: from microscale to macroscale
http://linked.open...UplatneniVysledku	2012
http://linked.open...v/svazekPeriodika	25
http://linked.open...iv/tvurceVysledku	Tihon, Jaroslav Orvalho, Sandra Petronilho Vejražka, Jiří Vobecká, Lucie Zedníková, Mária
http://linked.open...ain/vavai/riv/wos	000304449600132
http://linked.open...n/vavai/riv/zamer	Investigation of multiphase reacting systems for the design of processes important in synthesis and preparation of novel materials, in energy production and in environmental protection
issn	2100-014X
number of pages	9 (xsd:int)
http://bibframe.org/vocab/doi	10.1051/epjconf/20122502029

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