Numerical modeling of unsteady viscous cavitation flows

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

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

School of Mechanical Engineering

Beijing Institute of Technology
Tsinghua University
Tohoku University

Research output: Contribution to journal › Article › peer-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 language	English
Pages (from-to)	783-785
Number of pages	3
Journal	Kung Cheng Je Wu Li Hsueh Pao/Journal of Engineering Thermophysics
Volume	25
Issue number	5
Publication status	Published - Sept 2004

Keywords

Cavitation
Flow model
Numerical simulation

Cite this

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title = "Numerical modeling of unsteady viscous cavitation flows",

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.",

keywords = "Cavitation, Flow model, Numerical simulation",

author = "Wang, \{Guo Yu\} and Tao Fang and Cao, \{Shu Liang\} and Hang, \{Zhan Zhong\} and Toshiaki Ikohagi",

year = "2004",

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pages = "783--785",

journal = "Kung Cheng Je Wu Li Hsueh Pao/Journal of Engineering Thermophysics",

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TY - JOUR

T1 - Numerical modeling of unsteady viscous cavitation flows

AU - Wang, Guo Yu

AU - Fang, Tao

AU - Cao, Shu Liang

AU - Hang, Zhan Zhong

AU - Ikohagi, Toshiaki

PY - 2004/9

Y1 - 2004/9

N2 - 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.

AB - 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.

KW - Cavitation

KW - Flow model

KW - Numerical simulation

UR - https://www.scopus.com/pages/publications/5644248309

M3 - Article

AN - SCOPUS:5644248309

SN - 0253-231X

VL - 25

SP - 783

EP - 785

JO - Kung Cheng Je Wu Li Hsueh Pao/Journal of Engineering Thermophysics

JF - Kung Cheng Je Wu Li Hsueh Pao/Journal of Engineering Thermophysics

IS - 5

ER -

Numerical modeling of unsteady viscous cavitation flows

Abstract

Keywords

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