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

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F67985874%3A_____%2F13%3A00397451" target="_blank" >RIV/67985874:_____/13:00397451 - isvavai.cz</a>

Výsledek na webu

<a href="http://dx.doi.org/10.1103/PhysRevE.88.033023" target="_blank" >http://dx.doi.org/10.1103/PhysRevE.88.033023</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.1103/PhysRevE.88.033023" target="_blank" >10.1103/PhysRevE.88.033023</a>

Jazyk výsledku

angličtina

Název v původním jazyce

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

Popis výsledku v původním jazyce

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.

Název v anglickém jazyce

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

Popis výsledku anglicky

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.

Druh

J_x - Nezařazeno - Článek v odborném periodiku (Jimp, Jsc a Jost)

CEP obor

BK - Mechanika tekutin

OECD FORD obor

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Projekt

<a href="/cs/project/GAP105%2F10%2F0919" target="_blank" >GAP105/10/0919: Hydrodynamické nestability vyvolané přítomností chemické reakce v kapalném systému s volnou hladinou</a><br>

Návaznosti

Z - Vyzkumny zamer (s odkazem do CEZ)<br>I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Rok uplatnění

2013

Kód důvěrnosti údajů

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Název periodika

Physical Review E

ISSN

1550-2376

e-ISSN

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Svazek periodika

88

Číslo periodika v rámci svazku

3

Stát vydavatele periodika

US - Spojené státy americké

Počet stran výsledku

7

Strana od-do

033023-1-033023-7

Kód UT WoS článku

000325165600009

EID výsledku v databázi Scopus

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