Numerical simulation of cavitation dynamics using a cavitation-induced-momentum-defect (CIMD) correction approach

Srinivasan, V.; Salazar, Abraham J.; Saito, Kozo

doi:10.1016/j.apm.2008.02.005

Cited by 37 publications

(10 citation statements)

References 29 publications

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“…One of the most popular limiter was proposed by Reboud to reduce the turbulent viscosity (Reboud et al, 1998), and has successfully been used by different authors (Coutier-Delgosha et al, 2002;Chen et al, 2006;Zhou and Wang, 2008;Srinivasan et al, 2009;Goncalves, 2011).…”

Section: Introductionmentioning

confidence: 99%

Modelling for isothermal cavitation with a four-equation model

Goncalves

Charrière

2014

International Journal of Multiphase Flow

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International audienceIn a recent study, an original formulation for the mass transfer between phases has been proposed to study one-dimensional inviscid cavitating tube problems. This mass transfer term appears explicitly as a source term of a void ratio transport-equation model in the framework of the homogenous mixture approach. Based on this generic form, a two-dimensional preconditioned Navier-Stokes one-fluid solver is developed to perform realistic cavitating flows. Numerical results are given for various inviscid cases (underwater explosion, bubble collapse) and unsteady sheet cavitation developing along Venturi geometries at high Reynolds number. Comparisons with experimental data (concerning void ratio and velocity profiles, pressure fluctuations) and with a 3-equation model are presented

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Section: Introductionmentioning

confidence: 99%

Modelling for isothermal cavitation with a four-equation model

Goncalves

Charrière

2014

International Journal of Multiphase Flow

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“…Different methods have been investigated to limit or to correct standard turbulence models. An arbitrary modification was proposed by Reboud to reduce the turbulent viscosity [25], and has successfully been used by different authors [16,26,27,28,29,30]. Other corrections are based on the modelling of compressibility effects of the vapour/liquid mixture in the turbulence model.…”

Section: Introductionmentioning

confidence: 99%

Numerical study of unsteady turbulent cavitating flows

Goncalves

2011

European Journal of Mechanics - B/Fluids

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The simulation of cavitating flows is a challenging problem both in terms of modelling the physics and developing robust numerical methodologies. Such flows are characterized by important variations of the local Mach number, compressibility effects on turbulence and involve thermodynamic phase transition. To simulate these flows by applying homogeneous models and Reynolds averaged codes, the turbulence modelling plays a major role in the capture of unsteady behaviours. This paper presents a one-fluid compressible Reynolds-Averaged Navier-Stokes (RANS) solver with a simple equation of state (EOS) for the mixture. A special focus is devoted to the turbulence model influence. Unsteady numerical results are given for Venturi geometries and comparisons are made with experimental data.

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“…The speed of sound in the mixture phase is computed using the Wallis Model [41], the model assumes local thermodynamic equilibrium between phases and has been implemented in the following form in ANSYS Fluent [42]:…”

Section: Wallis Sonic Speed In the Two-phase Systemmentioning

confidence: 99%

Assessment of Cavitation Models for Compressible Flows Inside a Nozzle

Kumar

Ghobadian

Nouri

2020

Fluids

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This study assessed two cavitation models for compressible cavitating flows within a single hole nozzle. The models evaluated were SS (Schnerr and Sauer) and ZGB (Zwart-Gerber-Belamri) using realizable k-epsilon turbulent model, which was found to be the most appropriate model to use for this flow. The liquid compressibility was modeled using the Tait equation, and the vapor compressibility was modeled using the ideal gas law. Compressible flow simulation results showed that the SS model failed to capture the flow physics with a weak agreement with experimental data, while the ZGB model predicted the flow much better. Modeling vapor compressibility improved the distribution of the cavitating vapor across the nozzle with an increase in vapor volume compared to that of the incompressible assumption, particularly in the core region which resulted in a much better quantitative and qualitative agreement with the experimental data. The results also showed the prediction of a normal shockwave downstream of the cavitation region where the local flow transforms from supersonic to subsonic because of an increase in the local pressure.

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Numerical simulation of cavitation dynamics using a cavitation-induced-momentum-defect (CIMD) correction approach

Cited by 37 publications

References 29 publications

Modelling for isothermal cavitation with a four-equation model

Modelling for isothermal cavitation with a four-equation model

Numerical study of unsteady turbulent cavitating flows

Assessment of Cavitation Models for Compressible Flows Inside a Nozzle

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