Journal ArticleDOI
Combined experimental observation and numerical simulation of the cloud cavitation with U-type flow structures on hydrofoils
Reads0
Chats0
TLDR
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.About:
This article is published in International Journal of Multiphase Flow.The article was published on 2016-03-01. It has received 97 citations till now. The article focuses on the topics: Cavitation & Adverse pressure gradient.read more
Citations
More filters
Journal ArticleDOI
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.
Journal ArticleDOI
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.
Journal ArticleDOI
Large eddy simulation of turbulent attached cavitating flow with special emphasis on large scale structures of the hydrofoil wake and turbulence-cavitation interactions
TL;DR: In this article, the turbulent attached cavitating flow around a Clark-Y hydrofoil is investigated by the large eddy simulation (LES) method coupled with a homogeneous cavitation model.
Journal ArticleDOI
Verification and validation of URANS simulations of the turbulent cavitating flow around the hydrofoil
TL;DR: In this paper, the authors investigated the feasibility of various Richardson extrapolation-based uncertainty estimators in the cavitating flow simulation, including the modified Factor of Safety (FS1), the Factor of safety (FS), and the Grid Convergence Index (GCI).
Journal ArticleDOI
The transient characteristics of cloud cavitating flow over a flexible hydrofoil
TL;DR: In this paper, the authors investigated the two-phase flow structure of cloud cavitation over a flexible hydrofoil with particular emphasis on cavitating flow-induced vibration and the cavity shedding dynamics via combined experimental and numerical studies.
References
More filters
Journal ArticleDOI
Evaluation de l'influence du modèle de turbulence sur la simulation numérique de la cavitation instationnaire
Journal ArticleDOI
Numerical analysis of unsteady cavitating turbulent flow and shedding horse-shoe vortex structure around a twisted hydrofoil
TL;DR: In this paper, the Partially-Averaged Navier-Stokes (PANS) method and a mass transfer cavitation model with the maximum density ratio ( ρ l / ρ v,clip ) effect between the liquid and the vapor were used to simulate cavitating turbulent flow around hydrofoils.
Journal ArticleDOI
Unsteady Structure Measurement of Cloud Cavitation on a Foil Section Using Conditional Sampling Technique
Journal ArticleDOI
Large Eddy Simulation of turbulent vortex-cavitation interactions in transient sheet/cloud cavitating flows
Biao Huang,Yu Zhao,Guoyu Wang +2 more
TL;DR: In this paper, the influence of sheet/cloud cavitation on the hydrodynamic coefficients and surrounding flow turbulent structures was quantified for a 3D Clark-Y hydrofoil fixed at an angle of attack of α = 8 degrees at a moderate Reynolds number.
Journal ArticleDOI
Combined Experimental and Computational Investigation of Unsteady Structure of Sheet/Cloud Cavitation
TL;DR: In this paper, a filter-based density corrected model (FBDCM) is introduced to regulate the turbulent eddy viscosity in both the cavitation regions on the foil and in the wake, which is shown to accurately capture the unsteady cavity shedding process, and the corresponding velocity and vorticity dynamics.