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Hydrodynamic regimes of gas-liquid flow in a microreactor channel

Identifieur interne : 001318 ( Main/Merge ); précédent : 001317; suivant : 001319

Hydrodynamic regimes of gas-liquid flow in a microreactor channel

Auteurs : R. Pohorecki [Pologne] ; P. Sobieszuk [Pologne] ; K. Kula [Pologne] ; W. Moniuk [Pologne] ; M. Zielinski [Pologne] ; P. Cyganski [Pologne] ; P. Gawinski [Pologne]

Source :

Chemical engineering journal : (1996) [ 1385-8947 ] ; 2008.

RBID : Pascal:08-0055172

Descripteurs français

Pascal (Inist)
- Hydrodynamique, Ecoulement gaz liquide, Ecoulement diphasique, Microréacteur, Angle contact, Tension superficielle, Gaz inerte, Ecoulement liquide, Régime écoulement, Cartographie, Bulle, Aire interfaciale, Transfert masse, Absorption gaz, Réaction chimique.
Wicri :
- topic : Cartographie.

English descriptors

KwdEn :
- Bubble, Cartography, Chemical reaction, Contact angle, Flow regime, Gas absorption, Gas liquid flow, Hydrodynamics, Inert gas, Interfacial area, Liquid flow, Mass transfer, Microreactor, Surface tension, Two phase flow.

Abstract

The hydrodynamic regimes of gas-liquid flow in a microreactor channel have been investigated, using water and ethanol (liquids with different contact angle and surface tension values) and nitrogen as an inert gas. The microreactor was Y-shaped. Experiments were carried out to determine the character of gas and liquid flow ("regime map"). Four main flow types were observed: bubble, slug, slug/annular and annular, the slug regime occupying most of the region investigated. In the second part of the work a criterion for the effectiveness of the gas-liquid interfacial area has been proposed. This criterion determines the mass transfer activity of the interfacial area in the slug regime. Methods of estimation of the parameters necessary to apply the criterion have been outlined.

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Pascal:08-0055172

Le document en format XML

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<series><title level="j" type="main">Chemical engineering journal : (1996)</title>
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<profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Bubble</term>
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<term>Hydrodynamics</term>
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<term>Angle contact</term>
<term>Tension superficielle</term>
<term>Gaz inerte</term>
<term>Ecoulement liquide</term>
<term>Régime écoulement</term>
<term>Cartographie</term>
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<term>Aire interfaciale</term>
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<front><div type="abstract" xml:lang="en">The hydrodynamic regimes of gas-liquid flow in a microreactor channel have been investigated, using water and ethanol (liquids with different contact angle and surface tension values) and nitrogen as an inert gas. The microreactor was Y-shaped. Experiments were carried out to determine the character of gas and liquid flow ("regime map"). Four main flow types were observed: bubble, slug, slug/annular and annular, the slug regime occupying most of the region investigated. In the second part of the work a criterion for the effectiveness of the gas-liquid interfacial area has been proposed. This criterion determines the mass transfer activity of the interfacial area in the slug regime. Methods of estimation of the parameters necessary to apply the criterion have been outlined.</div>
</front>
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<tree><country name="Pologne"><noRegion><name sortKey="Pohorecki, R" sort="Pohorecki, R" uniqKey="Pohorecki R" first="R." last="Pohorecki">R. Pohorecki</name>
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Hydrodynamic regimes of gas-liquid flow in a microreactor channel

Hydrodynamic regimes of gas-liquid flow in a microreactor channel

Source :

Descripteurs français

English descriptors

Abstract

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Le document en format XML

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