NDLI: Numerical study of ventilated cavitating flows with free surface effects

Content Provider	Springer Nature Link
Author	Jin, Mei Shan Ha, Cong Tu Park, Warn Gyu
Copyright Year	2013
Abstract	Cavitating flow is usually formed on the surface of a high-speed underwater object. When the object moves near the free surface at high speed, the cavitation signature becomes a main factor to be overcome by the sensors of a military satellite. This paper studies the free surface effect on the ventilated cavitation process. The governing equations are Navier-Stokes equations based on a homogeneous mixture model. The multiphase flow solver used here relies on an implicit preconditioning scheme in curvilinear coordinates. The cavitation model used is a new cavitation model developed by Merkle et al. (2006). Computations of free surface effects were carried out with a NACA0012 hydrofoil to enable comparisons with experimental data presented in the literature. Calculations were then performed considering the ventilated cavitation process, including the effect of a noncondensable gas with free surface effect.
Starting Page	3683
Ending Page	3691
Page Count	9
File Format	PDF
ISSN	1738494X
Journal	Journal of Mechanical Science and Technology
Volume Number	27
Issue Number	12
e-ISSN	19763824
Language	English
Publisher	Springer Netherlands
Publisher Date	2013-12-28
Publisher Place	Dordrecht
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Cavitating flow Homogeneous mixture model Navier-Stokes equation High speed underwater object Free surface Dynamic condition Kinematic condition Mechanical Engineering Vibration, Dynamical Systems, Control Industrial and Production Engineering
Content Type	Text
Resource Type	Article
Subject	Mechanics of Materials Mechanical Engineering

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