Application of preconditioning method to gas-liquid two-phase flow computations

Byeong Rog Shin; Satoru Yamamoto; Xin Yuan

doi:10.1115/1.1777230

Application of preconditioning method to gas-liquid two-phase flow computations

Byeong Rog Shin, Satoru Yamamoto, Xin Yuan

INF - Computer and Mathematical Sciences

Research output: Contribution to journal › Article › peer-review

18 Citations (Scopus)

Abstract

A preconditioned numerical method for gas-liquid two-phase flows is applied to solve cavitating flow. The present method employs a finite-difference method of the dual time-stepping integration procedure and Roe 's flux difference splitting approximation with the MUSCL-TVD scheme. A homogeneous equilibrium cavitation model is used. The present density-based numerical method permits simple treatment of the whole gas-liquid two-phase flow field, including wave propagation, large density changes and incompressible flow characteristics at low Mach number. Two-dimensional internal flows through a backward-facing step duct, convergent-divergent nozzles and decelerating cascades are computed using this method. Comparisons of predicted and experimental results are provided and discussed.

Original language	English
Pages (from-to)	605-612
Number of pages	8
Journal	Journal of Fluids Engineering, Transactions of the ASME
Volume	126
Issue number	4
DOIs	https://doi.org/10.1115/1.1777230
Publication status	Published - 2004 Jul 1

ASJC Scopus subject areas

Mechanical Engineering

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AU - Yamamoto, Satoru

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N2 - A preconditioned numerical method for gas-liquid two-phase flows is applied to solve cavitating flow. The present method employs a finite-difference method of the dual time-stepping integration procedure and Roe 's flux difference splitting approximation with the MUSCL-TVD scheme. A homogeneous equilibrium cavitation model is used. The present density-based numerical method permits simple treatment of the whole gas-liquid two-phase flow field, including wave propagation, large density changes and incompressible flow characteristics at low Mach number. Two-dimensional internal flows through a backward-facing step duct, convergent-divergent nozzles and decelerating cascades are computed using this method. Comparisons of predicted and experimental results are provided and discussed.

AB - A preconditioned numerical method for gas-liquid two-phase flows is applied to solve cavitating flow. The present method employs a finite-difference method of the dual time-stepping integration procedure and Roe 's flux difference splitting approximation with the MUSCL-TVD scheme. A homogeneous equilibrium cavitation model is used. The present density-based numerical method permits simple treatment of the whole gas-liquid two-phase flow field, including wave propagation, large density changes and incompressible flow characteristics at low Mach number. Two-dimensional internal flows through a backward-facing step duct, convergent-divergent nozzles and decelerating cascades are computed using this method. Comparisons of predicted and experimental results are provided and discussed.

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Application of preconditioning method to gas-liquid two-phase flow computations

Abstract

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