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Numerical Simulation Of Two-Phase Cavitating Flow In Turbomachines
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Scientific Bulletin of the “Politehnica” University of Timisoara, Transactions on Mechanics, Tom 49(63), Special Issue, pp. 439-446
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ABSTRACT
The paper briefly reviews the methodology currently
employed for industrial cavitating flow simulations
using the two-phase mixture model. It is shown
how further theoretical developments can be included
in expert commercial codes such as FLUENT using
the User Defined Function facility.
The two-phase mixture model is evaluated and
validated using two benchmark problems where
experimental data are available. The first case is the
axisymmetric hemispherical cavitating body, and the
second one corresponds to a truncated NACA0009
hydrofoil. Both problems are solved using 2D (axisymmetric
and plane, respectively) models.
Next, a 3D cavitating flow computation is performed
for the GAMM Francis runner. The model is able to
qualitatively predict the location and extent of the
3D cavity on the blade, but further investigation are
needed to quatitatively assess the accuracy for real
turbomachinery cavitating flows.
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| ISSN 1224-6077 |
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2004
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| Cavitating flow numerical simulation, two-phase mixture cavitation model, hydraulic Francis turbine |
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No file uploaded
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BERNAD Sandor
,
MUNTEAN Sebastian
,
SUSAN-RESIGA Romeo
,
ANTON Ioan
,
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National Journal Article
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http://mh.mec.upt.ro/Accord-Fluid/docs/pdfs/Bernad04hmh2.pdf
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Numerical Simulation and Parallel Computing Laboratory
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| Institution: |
ARFT
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