impression
Gallery 

title Left  Granular Flows

  • Granular slumping of a column made of isocaedrons with an initial aspect ratio of 7.5
  • 3000 tetrahedron particles in a rotating drum at 5 round per minute
  • 1250 3D crosses (non convex particles) in a rotating drum at 5 round per minute
  • Granular slumping of a column made of cubes with an initial aspect ratio of 7.5

 

title Left  Fluid/Solid Flows

Micro

  • DNS of a fluidized bed made of 300 trilobic particles at Re = 27 with bi-periodic boundary conditions in the transverse plane
  • DNS of a gas/solid fluidized bed made of 2000 spherical particles at Re = 29 with bi-periodic boundary conditions in the transverse directions
  • DNS of a liquid/solid fluidized bed made of 2000 spherical particles at Re = 6 with bi-periodic boundary conditions in the transverse directions
  •  1 tetrahedron settling in a semi-infinite channel at Re = 273 with bi-periodic boundary conditions in the transverse plane by DNS computations

  • 1 trilobic catalyst settling in a semi-infinite channel at Re =160 with bi-periodic boundary conditions in the transverse plane by DNS computations

Meso

  • DEM-CFD computations of a fluidized bed made of 19.2 millions spherical particles at Re = 80
  • DEM-CFD computations of a fluidized bed made of 1.92 million spherical particles at Re = 25
  • DEM-CFD computations of a spouted bed made of 56 000 spherical particles at Re = 5000

  • DEM-CFD computations of a 2-nozzle spouted bed made of 350 000 spherical particles at Re = 600

  • DEM-CFD computations of the erosion of a sediment bed sheared by laminar channel flow made of 10 000 spherical particles.

 

title Left  Fluid/Fluid Flows

  • Effects of surface tension on the separation of oil drops in water by DNS using a Finite Volume / Level Set method
  • A single bubble rising at Re = 35, density ratio = 1000, Bo =125 by DNS using a Finite Volume / Level Set method

 

title Left  Reactive Fluid/Solid Flows

  • Liquid / Solid fluidization of 500 particles at 4.5 Umf coupled with temperature (fixed particle temperature).
  • Effects of the Reynolds number in the evolution of the temperature in a fluidized (bed by DNS) with 275 particles
  • One fixed catalyst particle (sphere) heated up by an upward oriented natural convection
  • 500 catalysts particles (spheres) heated up and self fluidized by the upwards oriented natural convection dominated stream created by the heat transferred form the particles to the surrounding fluid

 

 

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