Simulation of deformation and breakup of large aggregates in flows of viscous fluids

Chemical Engineering Science

Volumn 56, Issue 9, 2001, Pages 2927-2938

  Higashitani, Ko ^a   Iimura, Kenji ^a   Sanda, Hiroko ^a  

^a KYOTO UNIVERSITY   (Japan)

Author keywords

Breakup of floc; Deformation of floc; Discrete element method; Drag force; Dynamic shape factor; Large aggregates

Indexed keywords

COMPUTER SIMULATION; FINITE DIFFERENCE METHOD; HYDRODYNAMICS;

ELONGATIONAL FLOW;

VISCOUS FLOW;

AGGREGATE; DEFORMATION; DISCRETE ELEMENT METHOD; DRAG; HYDRODYNAMIC FORCE; SUSPENSION; VISCOUS FLOW;

EID: 0035967453     PISSN: 00092509     EISSN: None     Source Type: Journal    
DOI: 10.1016/S0009-2509(00)00477-2     Document Type: Article

References (43)

1. Interaction of unequal spheres. I. Hydrodynamic interaction: Colloidal forces
2. Motion and rupture of a porous sphere in a linear flow field
3. A fluid mechanical description of fluidized beds
4. The hydrodynamic interaction of two small freely-moving spheres in a linear flow field
5. Dynamic simulation of sheared suspensions. I. General method
6. A discrete numerical model for granular assemblies
7. Simulation of aggregating colloids in shear flow
8. A mathematical model of coagulation
9. Two-dimensional simulation of the breakup process of aggregates in shear and elongational flows
10. Floc breakup along centerline of contractile flow to orifice
11. Kinetic theory of shear coagulation for particles in a viscous fluid
12. Dispersion of coagulated by ultrasonication
13. Aggregation of colloidal nickel hydroxycarbonate studied by light scattering
14. Flow behavior of coagulated colloidal sols
15. Deformation of aggregates depositing on a plate in a viscous fluid simulated by a modified discrete element method
16. Dispersion of particles by shear
17. Particle adhesion theory and experiment
18. Discrete element simulation of granular flow in 2D and 3D hoppers: Dependence of discharge rate and wall stress on particle interactions
19. Kinetics of floss breakage and aggregation in agitated liquid suspensions
20. The plastic flow behavior of flocculated kaolin suspensions
21. Dynamic shape factors of regular shaped agglomerates and estimation based on agglomerate symmetry - For rectangular parallelepiped, V - and W -shaped, hexagonal and H-shaped agglomerates
22. Floc breakup in turbulent flocculation processes
23. On the mechanism of aggregation in the shear flow of suspensions
24. Structure and breakup of flocs subjected to fluid stresses I. Shear experiments
25. Structure and breakup of flocs subjected to fluid stresses III. Converging flow
26. Rate of sedimentation - Nonflocculated suspensions of uniform spheres
27. Granular flow: Friction and the dilatancy transition
28. Particle motions in sheared suspensions
29. Lagrangian numerical simulation of plug flow of cohesionless particles in a horizontal pipe
30. A study on shear coagulation and heterocoagulation
31. Behaviour of droplets in simple shear flow in the presence of a protein emulsifier
32. Micromechanics: A new approach to studying the strength and breakup of flocs
33. Study of static pressures of granular materials in a soil using the distinct element method
34. Use of trajectory analysis to study stability of colloidal dispersions in flow fields