Simulations of Cavitating Flows Using Hybrid Unstructured Meshes

[+] Author and Article Information
Vineet Ahuja, Ashvin Hosangadi, Srinivasan Arunajatesan

Combustion Research and Flow Technology, Inc. (CRAFT Tech), P.O. Box 1150, Dublin, PA 18917

J. Fluids Eng 123(2), 331-340 (Jan 29, 2001) (10 pages) doi:10.1115/1.1362671 History: Received April 05, 2000; Revised January 29, 2001
Copyright © 2001 by ASME
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Speed-of-sound in a two-phase gas-liquid mixture
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Resolution of the cavitation zone interface on the numerical grid
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Flow streamlines depicting recirculation zone/re-entrant jet in the cavity closure region
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Turbulent viscosities (μtL) contours in the headform cavity flowfield
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Cavitation zone and surface pressure profiles at various cavitation numbers for hemisphere/cylinder headform
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Sensitivity of cavitation solution to the cavitation source term rate
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The prismatic/tetrahedral grid used to capture cavitation on the NACA 66 modified hydrofoil
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A representative pressure distribution on the NACA 66 hydrofoil at 4 degrees angle of attack and cavitation number of 0.84
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Cavitation bubbles indicated by void fraction contours on the NACA 66 modified hydrofoil at cavitation numbers of (a) 0.91 and (b) 0.84
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Surface pressure distribution on the NACA 66 hydrofoil using wall-function procedure




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