CFD Simulations Of A Bubbly Flow Experiment With Liquid Eutectic Alloy
PbBi And Nitrogen
Author(s)
G. Mercurio & S.Echkert
Abstract
CFD simulations of a bubbly flow experiment
with liquid eutectic alloy PbBi and Nitrogen
~ . ~ e r c u r i o ' & S. ~ c k e r t ~
'ENEA Research Centre, Italy
2~orschungszentrum Rossendorf (FZR), Germany
Abstract
In the frame of the European ASCHLIM (Assessment of Computational Fluid
Dynamics codes for Heavy Liquid Metals) project, a research activity was
perfonned for the development of the Accelerator Driven System (ADS)
technology for nuclear waste transmutation. Within different design options the
use of Heavy Liquid Metals is foreseen both as coolant and moderator. A bubbly
flow experiment, using liquid PbBi eutectic and N2 in a simple geometry, was
performed to provide an experimental data base for a benchmark of numerical
simulations. This paper describes the experimental techniques and the
simulation results obtained with the volume finite code CFX4. The two fluid
EulerIEuler model was used to simulate the bubbly flow, in particular, the
vertical velocity profiles were calculated and c
Keywords
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