Partially Averaged Navier-Stokes Method for Time-Dependent Turbulent Cavitating Flows

Huang, Biao; Wang, Guoyu

doi:10.1016/s1001-6058(10)60084-4

Cited by 64 publications

(24 citation statements)

References 8 publications

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“…The OpenFOAM version 2.2.x was used in the present research because it solves the bugs of the previous version [17]. GNU/Linux Mint 6 Petra with kernel Linux 3.11.0-12-generic (x86 64) and XFCE desktop were also used.…”

Section: Openfoam Set Upmentioning

confidence: 99%

“…Some examples are the cases of Huang and Wang [17] and Ji et al [18] who used Partially-Averaged Navier-Stokes (PANS) equations in the commercial code ANSYS-CFX for the cavitation simulation. PANS is a hybrid turbulence model which conducts the simulation from RANS to Direct Numerical Simulation (DNS) based on unresolved to total ratios of kinetic energy ( ) and dissipation ( ).…”

Section: Introductionmentioning

confidence: 99%

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Implicit large eddy simulation of unsteady cloud cavitation around a plane-convex hydrofoil

et al. 2015

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The present research, focuses on the erosive cavitation behavior around a plane convex hydrofoil. For that, Tthe Zwart-Gerber-Belamri cavitation model has been implemented in library form to be used withto carry out in OpenFOAM. Implicit Large Eddy Simulation (ILES) has been applied to analyze the three dimensional unsteady cavitating flow around a plane convexthe hydrofoil. The numerical results corresponding to hydrodynamic conditions that have been experimentally tested at the high speed cavitation tunnel of the École Polytechnique Fédérale de Lausanne (EPFL) show the sheet cavitation development and the shedding and collapse of vapor clouds. It is noted that cavitation evolution including maximum vapor length, detachment and oscillation frequency are fairly well simulated. Furthermore, the pressure pulses due to the cavitation development as well as complex vortex structures are reasonably predicted. Consequently, these results confirm that the present numerical method can be used to investigate unsteady cavitation around hydrofoils with satisfactory accuracy.

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Section: Openfoam Set Upmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Implicit large eddy simulation of unsteady cloud cavitation around a plane-convex hydrofoil

et al. 2015

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“…Since most of the cavitating flows performs at high Reynolds number and under unsteady condition, implementation of a suitable turbulence model is of great importance for accurate prediction of cavitation. Different approaches such as standard or modified two-equation turbulence models (k-e, k-x) have been utilized to implement turbulence effects on cavitating flows [19][20][21][22][23]. Use of ''large eddy simulation (LES)'' is another approach considered recently in numerical cavitation modelling [24][25][26][27].…”

Section: Introductionmentioning

confidence: 99%

Numerical Simulation of Cavitation around a Two-Dimensional Hydrofoil using VOF Method and LES Turbulence Model

Roohi

Zahiri²,

Pasandidehfard³

2012

Proceedings of the 8th International Symposium on Cavitation

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In this paper simulation of cavitating flow over the Clark-Y hydrofoil is reported using the large eddy simulation (LES) turbulence model and volume of fluid (VOF) technique. We applied an incompressible LES modelling approach based on an implicit method for the subgrid terms. To apply the cavitation model, the flow has been considered as a single fluid, two-phase mixture. A transport equation model for the local volume fraction of vapour is solved and a finite rate mass transfer model is used for the vapourization and condensation processes. A compressive volume of fluid (VOF) method is applied to track the interface of liquid and vapour phases. This simulation is performed using a finite volume, two phase solver available in the framework of the OpenFOAM (Open Field Operation and Manipulation) software package. Simulation is performed for the cloud and super-cavitation regimes, i.e., r = 0.8, 0.4, 0.28. We compared the results of two different mass transfer models, namely Kunz and Sauer models. The results of our simulation are compared for cavitation dynamics, starting point of cavitation, cavity's diameter and force coefficients with the experimental data, where available. For both of steady state and transient conditions, suitable accuracy has been observed for cavitation dynamics and force coefficients.

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“…The filter width is given by two parameters, the ratio of unresolved-to-total kinetic energy (f k ) and the ratio of the unresolved-to-total dissipation (f e ), and by defining these parameters a desired level of physical resolution can be achieved between RANS and DNS. Many researchers [3][4][5][6] have used the PANS approach, based on various RANS models, to predict various flow fields with desired variable resolution and showed the applicability of PANS approach to a wide range of applications. Therefore the PANS modeling approach is used for the current simulation purpose and a desired physical resolution is attempted to be achieved.…”

Section: Introductionmentioning

confidence: 99%

Partially Averaged Navier Stokes simulation of turbulent heat transfer from a square cylinder

Ranjan

Dewan

2015

International Journal of Heat and Mass Transfer

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Partially Averaged Navier-Stokes Method for Time-Dependent Turbulent Cavitating Flows

Cited by 64 publications

References 8 publications

Implicit large eddy simulation of unsteady cloud cavitation around a plane-convex hydrofoil

Implicit large eddy simulation of unsteady cloud cavitation around a plane-convex hydrofoil

Numerical Simulation of Cavitation around a Two-Dimensional Hydrofoil using VOF Method and LES Turbulence Model

Partially Averaged Navier Stokes simulation of turbulent heat transfer from a square cylinder

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