About: The effect of electric fields on the buoyant stability of reaction fronts

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	The paper investigates effects that applying constant electric fields can have on the buoyant instability of reaction fronts propagating vertically in a Hele-Shaw cell. The reaction produces a decrease in density across the front such that upwards propagating fronts are buoyantly unstable in the field-free situation. The reaction kinetics are modelled by cubic autocatalysis. A linear stability analysis reveals that a positive electric field increases the stability of a reaction front and can stabilize an otherwise unstable front. A negative field has the opposite effect, making the reaction front more unstable. Numerical simulations of the full nonlinear problem confirm these predictions and show the development of cellular fingers on unstable fronts. The paper investigates effects that applying constant electric fields can have on the buoyant instability of reaction fronts propagating vertically in a Hele-Shaw cell. The reaction produces a decrease in density across the front such that upwards propagating fronts are buoyantly unstable in the field-free situation. The reaction kinetics are modelled by cubic autocatalysis. A linear stability analysis reveals that a positive electric field increases the stability of a reaction front and can stabilize an otherwise unstable front. A negative field has the opposite effect, making the reaction front more unstable. Numerical simulations of the full nonlinear problem confirm these predictions and show the development of cellular fingers on unstable fronts. (en)
Title	The effect of electric fields on the buoyant stability of reaction fronts The effect of electric fields on the buoyant stability of reaction fronts (en)
skos:prefLabel	The effect of electric fields on the buoyant stability of reaction fronts The effect of electric fields on the buoyant stability of reaction fronts (en)
skos:notation	RIV/60461373:22340/05:00014625!RIV11-GA0-22340___
http://linked.open...avai/riv/aktivita	P Z
http://linked.open...avai/riv/aktivity	P(GD104/03/H141), Z(MSM6046137306)
http://linked.open...iv/cisloPeriodika	1
http://linked.open...vai/riv/dodaniDat	2011
http://linked.open...aciTvurceVysledku	Ševčíková, Hana Zadražil, Aleš
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	519287
http://linked.open...ai/riv/idVysledku	RIV/60461373:22340/05:00014625
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	electric field effects; hydrodynamical instability; reaction fronts; cubic autocatalysis (en)
http://linked.open.../riv/klicoveSlovo	hydrodynamical instability cubic autocatalysis reaction fronts electric field effects
http://linked.open...odStatuVydavatele	US - Spojené státy americké
http://linked.open...ontrolniKodProRIV	[1D11505F457E]
http://linked.open...i/riv/nazevZdroje	Physical Review E
http://linked.open...in/vavai/riv/obor	CI
http://linked.open...ichTvurcuVysledku	2 (xsd:int)
http://linked.open...cetTvurcuVysledku	5 (xsd:int)
http://linked.open...vavai/riv/projekt	Reaction and transport phenomena in complex homogeneous and heterogeneous systems
http://linked.open...UplatneniVysledku	2005
http://linked.open...v/svazekPeriodika	71
http://linked.open...iv/tvurceVysledku	Ševčíková, Hana Zadražil, Aleš D'Hernoncourt, J. Isztvan, K. Merkin, J.
http://linked.open...ain/vavai/riv/wos	000228246200042
http://linked.open...n/vavai/riv/zamer	Reakčně-transportní chemicko-inženýrské systémy a jejich dynamické chování, modelování a řízení chemických a biotechnologických procesů
issn	1063-651X
number of pages	11 (xsd:int)
http://localhost/t...ganizacniJednotka	22340

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