Finite element lattice Boltzmann simulations of free surface flow in a concentric cylinder

Authors:
Kent E. Wardle;Taehun Lee
Affiliations:
Chemical Sciences and Engineering Division, Argonne National Laboratory, Argonne, IL 60439, USA;Department of Mechanical Engineering, City College of City University of New York, New York, NY 10031, USA
Venue:
Computers & Mathematics with Applications
Year:
2013

Citing 4
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Abstract

The annular centrifugal contactor is a compact mixer/centrifuge device designed for liquid-liquid extraction operations in processes for recycling nuclear fuel. The flow in the annulus of a centrifugal contactor is similar to the Taylor vortex flow with superimposed axial flow. The major differences are that the contactor has one end that is open to air and the free surface effects dominate the annular flow. In this study, we demonstrate the application of a finite element lattice Boltzmann equation (FE-LBE) method to the annular mixing geometry as found in a centrifugal contactor. The computational results are validated with available experimental observations with the Reynolds number (Re) in the range of 1250