Precessing Vortex

The Colorful Fluid Mixing Gallery

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The flow field in an unbaffled stirred tank with an off-center Rushton turbine is shown.
The flow is shown using iso-surfaces of vorticity colored by velocity magnitude.
A precessing vortex develops.
The simulation was performed with Ansys Fluent.
More detail can be found in Effect of the shaft eccentricity on the hydrodynamics of unbaffled stirred tanks.

Iso-surface of vorticity magnitude at 50 1/s.

Iso-surface of vorticity magnitude at 25 1/s.

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Last Updated January 18, 2021 by André Bakker
© André Bakker 2021