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Numerical Analysis of Ventilated Cavitation Using Non-Condensable Gas Injection on Underwater Vehicle

[+] Author Affiliations
Dong-Hyun Kim, Cong-Tu Ha, Warn-Gyu Park

Pusan National University, Busan, Korea

Chul-Min Jung

Agency for Defense Development, Jinhae, Korea

Paper No. AJK2011-04031, pp. 1683-1687; 5 pages
  • ASME-JSME-KSME 2011 Joint Fluids Engineering Conference
  • ASME-JSME-KSME 2011 Joint Fluids Engineering Conference: Volume 1, Symposia – Parts A, B, C, and D
  • Hamamatsu, Japan, July 24–29, 2011
  • Conference Sponsors: Fluids Engineering Division
  • ISBN: 978-0-7918-4440-3
  • Copyright © 2011 by KSME


Supercavitating torpedo uses the supercavitation technology that can reduce dramatically the skin friction drag. The present work focuses on the numerical analysis of the condensable/non-condensable cavitating flow around the supercavitating torpedo. The governing equations are the Navier-Stokes equations based on the homogeneous mixture model. The cavitation model uses a new cavitation model which was developed by Merkle (2006). The multiphase flow solver uses an implicit preconditioning scheme in curvilinear coordinates. The ventilated cavitation is implemented by non-condensable gas injection on backward of cavitator cone and the base of the torpedo.

Copyright © 2011 by KSME



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