The mechanism of breakage in the turbulent flow in Kenics mixer has been investigated theoretically and experimentally. Drops trajectories (as a function of drop size and Re number) in the mixer were calculated using particle/drops tracking model and areas in the mixer where drops were exposed to the highest energy dissipation rate were identified. The calculated trajectories were experimentally verified in a glass Kenics mixer and the drop deformation/breakage was analyzed using high-speed video camera. The results indicate that even in turbulent flow, the mechanism of drop breakage depends on the Re number and position in the mixer.
Volume Subject Area:
Fluid Mechanics in Mixing Phenomena II: Fundamentals and Industrial Applications
Topics:
Deformation,
Energy dissipation,
Glass,
Particulate matter,
Turbulence,
Video cameras,
Water
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by ASME
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