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
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Numerical and experimental study of pressure-wave formation around an underwater ventilated vehicle
TL;DR: In this article, a high-speed camera system was used to observe the cavity evolution of unsteady cavitation flow, and a dynamic pressure measurement system was employed to measure the instantaneous pressure during cavity growth.
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Numerical simulation of the transient cavitating turbulent flows around the Clark-Y hydrofoil using modified partially averaged Navier-Stokes method
Renfang Huang,Xianwu Luo,Bin Ji +2 more
TL;DR: In this article, a modified partially-averaged Navier-Stokes (PANS) turbulence model is proposed to predict the transient cavitating turbulent flows in a Clark-Y hydrofoil.
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State-of-the Art-Powerhouse, Dam Structure, and Turbine Operation and Vibrations
Zaher Mundher Yaseen,Ameen Mohammed Salih Ameen,Mohammed Suleman Aldlemy,Mumtaz Ali,Haitham Abdulmohsin Afan,Senlin Zhu,Ahmed Mohammed Sami Al-Janabi,Nadhir Al-Ansari,Tiyasha Tiyasha,Hai Tao +9 more
TL;DR: In this article, the authors conducted a comprehensive review of studies performed on dams, powerhouses, and turbine vibration, focusing on the vibration of two turbine units: Kaplan and Francis turbine units.
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Large eddy simulation of unsteady shedding behavior in cavitating flows with time-average validation
TL;DR: In this article, the authors used the large eddy simulation (LES) to model cavitating flows and validated the predictions against experimental data using the time-average method, and provided a valid numerical modeling framework for various cavitation flows.
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Investigation of unsteady liquid nitrogen cavitating flows with special emphasis on the vortex structures using mode decomposition methods
TL;DR: In this paper, the authors presented large-eddy simulations with significant thermal effects to investigate the evolution of cavitation dynamics in liquid nitrogen cavitating flows with special emphasis on the vortex dynamics and coherent structures.
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.
Book
Cavitation and Bubble Dynamics
TL;DR: In this paper, the fundamental physical processes involved in bubble dynamics and the phenomenon of cavitation are described and explained, and a review of the free streamline methods used to treat separated cavity flows with large attached cavities is provided.
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.
Proceedings ArticleDOI
The design and application of upwind schemes on unstructured meshes
TL;DR: Cell-centered and mesh-vertex upwind finite-volume schemes are developed which utilize multi-dimensional monotone linear reconstruction procedures which differ from existing algorithms (even on structured meshes).