Numerical modeling of unsteady viscous cavitation flows

Guo Yu Wang*, Tao Fang, Shu Liang Cao, Zhan Zhong Hang, Toshiaki Ikohagi

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

3 Citations (Scopus)

Abstract

A computational model for the treatment of unsteady, viscous cavitating flows is described. Navier-Stokes equations using a two-phase model are employed to account for cavitated regions. The model is based on a locally homogeneous model of the gas-liquid two-phase medium. The density of the media varies in magnitude between the gas and liquid density. The governing equations are solved by TVD-MacCormack predictor-corrector two explicit methods in order to enhance the numerical stability. To assess the computation model, cavitating flow over a step is computed, and reasonable results are obtained. And then, cavitating phenomena in a bend tube are analyzed.

Original languageEnglish
Pages (from-to)783-785
Number of pages3
JournalKung Cheng Je Wu Li Hsueh Pao/Journal of Engineering Thermophysics
Volume25
Issue number5
Publication statusPublished - Sept 2004

Keywords

  • Cavitation
  • Flow model
  • Numerical simulation

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