Falling clouds of particles in vortical flows

被引：5
|
作者：
Marchetti, Benjamin [1 ]
Bergougnoux, Laurence [1 ]
Guazzelli, Elisabeth [2 ]
机构：
[1] Aix Marseille Univ, CNRS, IUSTI, F-13453 Marseille, France
[2] Univ Paris, CNRS, Matiere & Syst Complexes MSC UMR 7057, F-75205 Paris, France
来源：
JOURNAL OF FLUID MECHANICS | 2021年 / 908卷
关键词：
suspensions; particle; fluid flow; SETTLING VELOCITY; HEAVY-PARTICLES; MOTION; TURBULENCE;
D O I：
10.1017/jfm.2020.883
中图分类号：
O3 [力学];
学科分类号：
08 ; 0801 ;
摘要：
The coupling between particle-particle and particle-fluid interactions is examined by studying the sedimentation of clouds of spheres in a model cellular flow at a small but finite Reynolds number. The model flow consists of counter-rotating vortices and is aimed at capturing key features of the vortical effects on particles. The dynamics of clouds settling in this vortical flow is investigated through a comparison between experiments and point-particle simulations.
引用
收藏
页数：21
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