Journal ArticleDOI
Large eddy simulation and Euler–Lagrangian coupling investigation of the transient cavitating turbulent flow around a twisted hydrofoil
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TLDR
In this paper, a 3D Lagrangian Coherent Structures (LCS) was used to analyze the dynamics of cavitation-vortex interactions in the Delft twisted hydrofoil.About:
This article is published in International Journal of Multiphase Flow.The article was published on 2017-12-01. It has received 145 citations till now. The article focuses on the topics: Vortex & Flow separation.read more
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Large Eddy Simulation of the Tip-leakage Cavitating flow with an insight on how cavitation influences vorticity and turbulence
TL;DR: In this paper, the authors have carried out numerical simulations of a tip leakage cavitating flow, generated by a straight NACA0009 hydrofoil, using Lagrangian coherent structures (LCSs) combined with Schnerr-Sauer cavitation model.
Journal ArticleDOI
Verification and validation of Large Eddy Simulation of attached cavitating flow around a Clark-Y hydrofoil
TL;DR: In this paper, the authors used implicitly filtered large eddy simulation with a homogenous cavitation model to investigate the transient turbulent cavitating flow around a Clark-Y hydrofoil with emphasis on Verification and Validation (V&V).
Journal ArticleDOI
Large eddy simulation and investigation on the laminar-turbulent transition and turbulence-cavitation interaction in the cavitating flow around hydrofoil
TL;DR: In this article, the compressible large eddy simulation (LES) was performed to investigate the cavitating flow around NACA66 hydrofoil, with a special emphasis put on the laminar-turbulent transition, the turbulence-cavitation interaction and the dynamics features.
Journal ArticleDOI
3D full coupling model for strong interaction between a pulsating bubble and a movable sphere
TL;DR: A full coupling model (FCM) is established to simulate strong bubble-sphere interactions based on a three-dimensional boundary integral method to study more complex underwater contact explosions, cavitation inception on a structure and airgun bubble dynamics.
Journal ArticleDOI
Dynamics of partial cavitation in an axisymmetric converging-diverging nozzle
TL;DR: Partial cavitation dynamics in an axisymmetric converging-diverging nozzle are investigated experimentally in this paper, where shadowgraphy is used to visualize and analyze different cavitation regimes.
References
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Journal ArticleDOI
General circulation experiments with the primitive equations
TL;DR: In this article, an extended period numerical integration of a baroclinic primitive equation model has been made for the simulation and the study of the dynamics of the atmosphere's general circulation, and the solution corresponding to external gravitational propagation is filtered by requiring the vertically integrated divergence to vanish identically.
Journal ArticleDOI
Subgrid-scale stress modelling based on the square of the velocity gradient tensor
Franck Nicoud,F. Ducros +1 more
TL;DR: In this paper, a subgrid scale model is proposed for large eddy simulations in complex geometries, which accounts for the effects of both the strain and the rotation rate of the smallest resolved turbulent fluctuations.
Journal ArticleDOI
Lagrangian coherent structures and mixing in two-dimensional turbulence
George Haller,Guo-Cheng Yuan +1 more
TL;DR: In this paper, a Lagrangian definition for the boundaries of coherent structures in two-dimensional turbulence is introduced, defined as material lines that are linearly stable or unstable for longer times than any of their neighbors.
Book
Fundamentals of Cavitation
TL;DR: Kato et al. as mentioned in this paper studied the dynamics of cavitation in real liquid flows and proposed a steady potential flow theory to model the cavity flow dynamics of a liquid/vapor mixture with phase change.
Journal ArticleDOI
A Statistically-Derived Subgrid-Scale Kinetic Energy Model for the Large-Eddy Simulation of Turbulent Flows
Akira Yoshizawa,Kiyosi Horiuti +1 more
TL;DR: In this paper, a subgrid-scale (SGS) kinetic energy model for the large-eddy simulation (LES) of turbulent flows is constructed with the aid of the statistical results obtained from the two-scale direct-interaction approximation.
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