About: Relation between shape of liquid-gas interface and evolution of buoyantly unstable three-dimensional chemical fronts

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About: Relation between shape of liquid-gas interface and evolution of buoyantly unstable three-dimensional chemical fronts Goto Sponge NotDistinct Permalink

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	Buoyantly unstable 3D chemical fronts were seen traveling through an iodate-arsenous acid reaction solution. The experiments were performed in channel reactors with rectangular cross sections, where the top of the reaction solution was in contact with air. A concave or convex meniscus was pinned to reactor lateral walls. Influence of the meniscus shape on front development was investigated. For the concave meniscus, an asymptotic shape of fronts holding negative curvature was observed. On the other hand, fronts propagating in the solution with the convex meniscus kept only positive curvature. Those fronts were also a bit faster than fronts propagating in the solution with the concave meniscus. A relation between the meniscus shape, flow distribution, velocity, and shape is discussed. Buoyantly unstable 3D chemical fronts were seen traveling through an iodate-arsenous acid reaction solution. The experiments were performed in channel reactors with rectangular cross sections, where the top of the reaction solution was in contact with air. A concave or convex meniscus was pinned to reactor lateral walls. Influence of the meniscus shape on front development was investigated. For the concave meniscus, an asymptotic shape of fronts holding negative curvature was observed. On the other hand, fronts propagating in the solution with the convex meniscus kept only positive curvature. Those fronts were also a bit faster than fronts propagating in the solution with the concave meniscus. A relation between the meniscus shape, flow distribution, velocity, and shape is discussed. (en)
Title	Relation between shape of liquid-gas interface and evolution of buoyantly unstable three-dimensional chemical fronts Relation between shape of liquid-gas interface and evolution of buoyantly unstable three-dimensional chemical fronts (en)
skos:prefLabel	Relation between shape of liquid-gas interface and evolution of buoyantly unstable three-dimensional chemical fronts Relation between shape of liquid-gas interface and evolution of buoyantly unstable three-dimensional chemical fronts (en)
skos:notation	RIV/67985874:_____/13:00397451!RIV14-GA0-67985874
http://linked.open...avai/predkladatel	Ústav pro hydrodynamiku AV ČR, v. v. i.
http://linked.open...avai/riv/aktivita	I P Z
http://linked.open...avai/riv/aktivity	I, P(GAP105/10/0919), Z(AV0Z20600510)
http://linked.open...iv/cisloPeriodika	3
http://linked.open...vai/riv/dodaniDat	2014
http://linked.open...aciTvurceVysledku	Šebestíková, Lenka
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 pro hydrodynamiku AV ČR, v. v. i.
http://linked.open...dnocenehoVysledku	102157
http://linked.open...ai/riv/idVysledku	RIV/67985874:_____/13:00397451
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	iodate-arsenous acid reaction; arsenous acid; concave meniscus; convex meniscus; buoyancy driven convection; chemical waves (en)
http://linked.open.../riv/klicoveSlovo	chemical waves iodate-arsenous acid reaction arsenous acid buoyancy driven convection concave meniscus convex meniscus
http://linked.open...odStatuVydavatele	US - Spojené státy americké
http://linked.open...ontrolniKodProRIV	[D2F168DD3AA3]
http://linked.open...i/riv/nazevZdroje	Physical Review E
http://linked.open...in/vavai/riv/obor	BK
http://linked.open...ichTvurcuVysledku	1 (xsd:int)
http://linked.open...cetTvurcuVysledku	1 (xsd:int)
http://linked.open...vavai/riv/projekt	Chemically induced hydrodynamic instabilities in a liquid layer with a free gas-liquid interface
http://linked.open...UplatneniVysledku	2013
http://linked.open...v/svazekPeriodika	88
http://linked.open...iv/tvurceVysledku	Šebestíková, Lenka
http://linked.open...ain/vavai/riv/wos	000325165600009
http://linked.open...n/vavai/riv/zamer	Dynamics of Fluid Systems and Transformation Processes in Hydrosphere
issn	1550-2376
number of pages	7 (xsd:int)
http://bibframe.org/vocab/doi	10.1103/PhysRevE.88.033023

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