Swirl-induced improvement of turbulent mixing: laser study in a jet-stirred tubular reactor

Anne-Marie Billet (1) , Pascal Guiraud (1) , Joël Bertrand (1)

1 LGC - Laboratoire de Génie Chimique

Laser measurements of local velocity and concentration in a swirling-jet-stirred tubular reactor under turbulent regime provide a complete analysis of hydrodynamics and mixing processes. Comparisons with the non-swirling case show how swirl promotes turbulent mixing. Local velocities are obtained by laser Doppler velocimetry. Local mixing characteristics (mean concentration and segregation) are measured by laser-induced fluorescence.

Mots clés: Swirl; Turbulence; Jet; Mixing

Domaines: Génie chimique; Génie des procédés

Anne-Marie Billet, Pascal Guiraud, Joël Bertrand. Swirl-induced improvement of turbulent mixing: laser study in a jet-stirred tubular reactor. Chemical Engineering Science, 1993, 48 (22), pp.3805-3812. ⟨10.1016/0009-2509(93)80223-D⟩. ⟨hal-01980517⟩