Hydrodynamic regimes of gas-liquid flow in a microreactor channel
Identifieur interne : 001112 ( Main/Exploration ); précédent : 001111; suivant : 001113Hydrodynamic 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.
Descripteurs français
- Pascal (Inist)
- Wicri :
- topic : Cartographie.
English descriptors
- KwdEn :
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.
Affiliations:
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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>
<term>Cartography</term>
<term>Chemical reaction</term>
<term>Contact angle</term>
<term>Flow regime</term>
<term>Gas absorption</term>
<term>Gas liquid flow</term>
<term>Hydrodynamics</term>
<term>Inert gas</term>
<term>Interfacial area</term>
<term>Liquid flow</term>
<term>Mass transfer</term>
<term>Microreactor</term>
<term>Surface tension</term>
<term>Two phase flow</term>
</keywords>
<keywords scheme="Pascal" xml:lang="fr"><term>Hydrodynamique</term>
<term>Ecoulement gaz liquide</term>
<term>Ecoulement diphasique</term>
<term>Microréacteur</term>
<term>Angle contact</term>
<term>Tension superficielle</term>
<term>Gaz inerte</term>
<term>Ecoulement liquide</term>
<term>Régime écoulement</term>
<term>Cartographie</term>
<term>Bulle</term>
<term>Aire interfaciale</term>
<term>Transfert masse</term>
<term>Absorption gaz</term>
<term>Réaction chimique</term>
</keywords>
<keywords scheme="Wicri" type="topic" xml:lang="fr"><term>Cartographie</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>
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