Title :

Effect of Reynolds Number on Laminar Mixing in an Annular Tube Combining Two Crossed Secondary Flows

Author(s) :

Bouvier, Pascale [Auteur]
Andre, Christophe [Auteur]
Unité Matériaux et Transformations - UMR 8207 [UMET]
Russeil, Serge [Auteur]

Journal title :

Chemical Engineering & Technology

Volume number :

42

Pages :

100-108

Publisher :

Wiley-VCH Verlag GmbH & Co. KGaA

Publication date :

2019-01

English keyword(s) :

Annular configuration
Mass transfer enhancement
Numerical simulation
Residence time distribution
Wall deformation

HAL domain(s) :

Sciences du Vivant [q-bio]/Ingénierie des aliments
Physique [physics]/Matière Condensée [cond-mat]/Science des matériaux [cond-mat.mtrl-sci]
Sciences du Vivant [q-bio]/Biochimie, Biologie Moléculaire
Physique [physics]/Matière Condensée [cond-mat]/Matière Molle [cond-mat.soft]
Sciences de l'ingénieur [physics]/Génie des procédés

English abstract : [en]

To improve static and continuous mixers, several methods have been proposed in the literature. Herein, two well‐known passive intensification configurations were applied to an annular laminar flow and numerically studied. ...
Show more >To improve static and continuous mixers, several methods have been proposed in the literature. Herein, two well‐known passive intensification configurations were applied to an annular laminar flow and numerically studied. Residence time distributions (RTDs) and Poincaré sections were examined to investigate the dispersion of the particles. These two approaches show that geometric perturbations of the walls improve the mixing level for all Reynolds numbers investigated. Above Re = 300, the increase in mixing can be attributed to chaotic advection within the flow. Finally, a general reactor model that allows the RTD in the annular tube to be predicted with high confidence is proposed.Show less >

Language :

Anglais

Peer reviewed article :

Oui

Audience :

Internationale

Popular science :

Non

Collections :

• Unité Matériaux et Transformations (UMET) - UMR 8207

Research team(s) :

Processus aux Interfaces et Hygiène des Matériaux (PIHM)

Submission date :

2019-05-17T09:25:16Z
2020-12-14T14:01:42Z