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Numerical Simulation of Turbulent Flows with Sheet Cavitation

Senocak, Inanc and Shyy, Wei (2001) Numerical Simulation of Turbulent Flows with Sheet Cavitation. In: CAV 2001: Fourth International Symposium on Cavitation, June 20-23, 2001, California Institute of Technology, Pasadena, CA USA. (Unpublished)

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A pressure-based algorithm is developed and applied to compute turbulent sheet cavitating flows. Single-fluid Navier-Stokes equations, cast in their conservative form, along with a volume fraction transport equation are employed. The flow is computed in both phases with the vapor pressure recovered inside the cavity via a mass transfer model. A pressure-velocity-density coupling scheme along with an upwinded density interpolation is developed to handle the large density ratio associated with cavitation. The method is assessed through simulations of cavitating flows over a cylindrical object and an airfoil. The results show satisfactory agreement with experimental data in pressure distribution. In addition, information such as wall shear stress distributions and related velocity and turbulence fields is highlighted for both axisymmetric projectile and NACA airfoil.

Item Type:Conference or Workshop Item (Lecture)
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Subject Keywords:CFD modeling of cavitation, turbulence, sheet cavitation
Record Number:CAV2001:sessionA7.002
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Usage Policy:The papers of this symposium proceedings are protected by copyright, retained by the authors. Authors control translation and reproduction rights to these works. However, readers are granted permission for individual, educational, research and non-commercial reproduction, distribution, display and performance of this work in any format. This permission is in addition to rights of reproduction granted under Section 107, 108, and other provisions of the U.S. Copyright Act.
ID Code:47
Deposited By: Imported from CAV2001
Deposited On:24 Apr 2001
Last Modified:03 Oct 2019 22:49

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