LrgpV1, Main, Exploration, bibRecord, 001139

Design of a mesh microreactor for even flow distribution and narrow residence time distribution

Identifieur interne : 001139 ( Main/Exploration ); précédent : 001138; suivant : 001140

Design of a mesh microreactor for even flow distribution and narrow residence time distribution

Auteurs : C. Amador [Royaume-Uni] ; D. Wenn [Royaume-Uni] ; J. Shaw [Royaume-Uni] ; A. Gavriilidis [Royaume-Uni] ; P. Angeli [Royaume-Uni]

Source :

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

RBID : Pascal:08-0055183

Descripteurs français

Pascal (Inist)
- Conception, Microréacteur, Champ écoulement, Distribution temps séjour, Ecoulement visqueux, Réacteur, Mécanique fluide numérique, Modélisation.

English descriptors

KwdEn :
- Computational fluid dynamics, Design, Flow field, Microreactor, Modeling, Reactor, Residence time distribution, Viscous flow.

Abstract

Flow and residence time distributions are analysed in a microreactor where the reactant fluid phases come into contact through the microfabricated pores of a mesh. An analytical resistance network method that is based on the analogy of viscous flow to networks of electrical resistances, initially developed to analyse flow distribution in scale-out geometries, is applied to identify possible reactor plate geometries. The main assumptions of this method and the suggested reactor plate geometries are successfully validated via computational fluid dynamics simulations combined with a particle tracking methodology for the residence time distribution. The method is used to produce a reactor plate geometry that results in uniform residence time distribution within the active mesh region while minimising the non-active volume on the plate and the reactants' collecting channel, which affect the overall residence time distribution as well as the time for flushing/emptying the reactor. Experimental tests carried out to visually assess flow distribution in different plate geometries qualitatively agree with the theoretical results.

Affiliations:

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Le document en format XML

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<profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Computational fluid dynamics</term>
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<term>Modeling</term>
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<term>Residence time distribution</term>
<term>Viscous flow</term>
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<term>Champ écoulement</term>
<term>Distribution temps séjour</term>
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<front><div type="abstract" xml:lang="en">Flow and residence time distributions are analysed in a microreactor where the reactant fluid phases come into contact through the microfabricated pores of a mesh. An analytical resistance network method that is based on the analogy of viscous flow to networks of electrical resistances, initially developed to analyse flow distribution in scale-out geometries, is applied to identify possible reactor plate geometries. The main assumptions of this method and the suggested reactor plate geometries are successfully validated via computational fluid dynamics simulations combined with a particle tracking methodology for the residence time distribution. The method is used to produce a reactor plate geometry that results in uniform residence time distribution within the active mesh region while minimising the non-active volume on the plate and the reactants' collecting channel, which affect the overall residence time distribution as well as the time for flushing/emptying the reactor. Experimental tests carried out to visually assess flow distribution in different plate geometries qualitatively agree with the theoretical results.</div>
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Design of a mesh microreactor for even flow distribution and narrow residence time distribution

Design of a mesh microreactor for even flow distribution and narrow residence time distribution

Source :

Descripteurs français

English descriptors

Abstract

Links toward previous steps (curation, corpus...)

Le document en format XML

Pour manipuler ce document sous Unix (Dilib)

Pour mettre un lien sur cette page dans le réseau Wicri