Large Eddy Simulation and theoretical investigations of the transient cavitating vortical flow structure around a NACA66 hydrofoil
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In this paper, the cavitating flow around a NACA66 hydrofoil is studied numerically with particular emphasis on understanding the cavitation structures and the shedding dynamics, including the cavity growth, break-off and collapse downstream.About:
This article is published in International Journal of Multiphase Flow.The article was published on 2015-01-01 and is currently open access. It has received 335 citations till now. The article focuses on the topics: Cavitation & Large eddy simulation.read more
Citations
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A review of cavitation in hydraulic machinery
TL;DR: In this paper, the authors summarized the recent progress for the cavitation study in the hydraulic machinery including turbo-pumps, hydro turbines, etc., and identified the 1-D analysis method, which is identified to be very useful for engineering applications regarding the cavitating flows in inducers, turbine draft tubes, etc.
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Large eddy simulation and Euler–Lagrangian coupling investigation of the transient cavitating turbulent flow around a twisted hydrofoil
TL;DR: In this paper, a 3D Lagrangian Coherent Structures (LCS) was used to analyze the dynamics of cavitation-vortex interactions in the Delft twisted hydrofoil.
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Experimental and numerical investigation of hydroelastic response of a flexible hydrofoil in cavitating flow
TL;DR: In this paper, the authors investigated the fluid dynamics of a flexible NACA66 hydrofoil in cavitating flows by combined experimental and numerical studies, and the results showed that the cavitation has significant effect on the foil deformation and the unsteady characteristics of the hydroelastic response.
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Large Eddy Simulation of the transition from sheet to cloud cavitation over a wedge
TL;DR: In this paper, a sheet to cloud cavitation over a wedge is performed at Reynolds number R e = 200, 000 (based on the wedge height and free stream velocity) and cavitation number σ = 2.1.
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Combined experimental observation and numerical simulation of the cloud cavitation with U-type flow structures on hydrofoils
TL;DR: In this paper, a series of experimental observations around hydrofoils are carried out in the cavitation tunnel of the China Ship Scientific Research Center (CSSRC) to illustrate the spatial-temporal evolution of the cloud cavity in detail.
References
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Towards numerical prediction of unsteady sheet cavitation on hydrofoils
TL;DR: In this paper, the authors used a modified k-ω model to predict cavitating flows around 2D and 3D hydrofoils in the framework of multi-phase mixture flow RANS approach.
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Compressible effects modeling in turbulent cavitating flows
Jean Decaix,Eric Goncalves +1 more
TL;DR: In this paper, a compressible, multiphase, one-fluid RANS solver has been developed to study turbulent cavitating flows, which constitutes a determinant point to accurately simulate the dynamic behavior of sheet cavities.
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Theoretical Analysis of Transitional and Partial Cavity Instabilities
TL;DR: In this article, a new time marching calculation of blade surface cavitation based on a linearized free streamline theory using a singularity method is presented, where closed cavity models for partial and super cavities are combined to simulate the transitional cavity oscillation between partial and Super cavities.
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Study of Characteristics of Cloud Cavity Around Axisymmetric Projectile by Large Eddy Simulation
TL;DR: Based on large eddy simulation (LES) methodology, an approach was developed to simulate dynamic behaviors of cavitation, using k - mu transport equation for subgrid terms combined with volume of fluid (VOF) description of cavitations and the Kunz model for mass transfer.
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Modeling for non isothermal cavitation using 4-equation models
TL;DR: In this article, a compressible, two-phase, one-fluid solver was developed to investigate the behavior of cavitation models including thermodynamic effects, which is composed by three conservation laws for mixture variables (mass, momentum and total energy) and a supplementary transport equation for the void ratio.