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2012 (Vol. 4, Issue: 22)
Article Information:

Two-Phase Cavitating Flow in Turbomachines

Sandor I. Bernad, Romeo Susan-Resiga and Sebastian Muntean
Corresponding Author:  Sandor I. Bernad 

Key words:  Cavitation, francis turbine, liquid-vapour interface, vapour volume, , ,
Vol. 4 , (22): 4685-4695
Submitted Accepted Published
March 26, 2012 April 17, 2012 November 15, 2012

Cavitating flows are notoriously complex because they are highly turbulent and unsteady flows involving two species (liquid/vapor) with a large density difference. These features pose a unique challenge to numerical modeling works. The study briefly reviews the methodology curently employed for industrial cavitating flow simulations using the two-phase mixture model. The two-phase mixture model is evaluated and validated using benchmark problem where experimental data are available. 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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  Cite this Reference:
Sandor I. Bernad, Romeo Susan-Resiga and Sebastian Muntean, 2012. Two-Phase Cavitating Flow in Turbomachines.  Research Journal of Applied Sciences, Engineering and Technology, 4(22): 4685-4695.
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ISSN (Online):  2040-7467
ISSN (Print):   2040-7459
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