CFD Simulation of Adiabatic Two-Phase Flow in the Cap Bubble Regime Using the Two-Group Interfacial Area Transport Equations (IATE)
NURETH-14 - 2011 September 25-30


Presented at:
NURETH-14
2011 September 25-30
Location:
Toronto, Canada
Session Title:
B2-2 Computational Multi-Fluid Dynamics and Validation/Verification/Applications

Authors:
Deoras Prabhudharwadkar (Purdue University)
Martin Lopez De Bertodano (Purdue University)
John Buchanan (Bechtel Marine Propulsion Corporation, Bettis Laboratory)
Paul Guilbert (ANSYS UK Ltd.)
  

Abstract

A multidimensional three-field two-fluid model with the two-group IATE is implemented for the

bubbly-cap bubble regime. The mechanisms of the two-group IATE bubble interactions that have

been proposed and validated in the past for one dimension are extended to a multi-dimensional

model. The CFD simulations were validated using the data of Sun et al. [1] where the phase

distribution, interfacial area concentration and velocity distribution in the cross-section for the two

bubble groups were measured using the four-sensor conductivity probe at four axial locations.

The results demonstrate the applicability of the two-group IATE model in three dimensions.

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