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RISSome Features of Water Flows With Ventilated Cavities
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: A survey of the main mechanisms of air entrainment in largely developed cavity flow is given, with paticular attention being given to plane, almost horizontal flows. Specific characteristics of ...
Two-Dimensional Base-Vented Hydrofoils Near a Free Surface: Influence of the Ventilation Number
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The method of matched asymptotic expansions is used to analyze the flow around a base-vented lifting foil with rounded nose beneath a free surface. The foil is defined numerically. Results ...
Air Entrainment in Ventilated Cavities: Case of the Fully Developed “Half-Cavity”
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Experimental results are given concerning the behavior of the so called “half-cavity” which is formed by a plane water jet, initially horizontal, projected over a small step at the bottom of ...
The Hydrodynamic Tunnel of I.M.G.: Former and Recent Equipments
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The I.M.G. Hydrodynamic Tunnel is described in its initial state and with successive equipments that improved its performances. Particular attention is given to the recent nuclei control system.
The Cavermod Device: Hydrodynamic Aspects and Erosion Tests
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The Cavermod (CAVitation ERosion MODel) is an erosion test device first described by Dominguez-Cortazar et al. (1992, 1997). Recently, it was modified in two steps: first by increasing its ...
Tip Vortex Cavitation on an Oscillating Hydrofoil
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This paper discusses tests conducted in the hydrodynamic tunnel of the University of Grenoble on a 3D oscillating hydrofoil. Visualization of unsteady tip vortex cavitation indicates a strong ...
Partial Cavities: Global Behavior and Mean Pressure Distribution
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The results of an experimental work concerning the behavior of flows with partial cavities are presented. The tests were carried out using a plano-convex foil placed in the free surface channel ...
A Cavitation Erosion Model for Ductile Materials
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: An analytical model is proposed for the prediction of cavitation erosion of ductile materials. It is based upon a physical analysis of the work-hardening process due to the successive bubble ...
Dynamical Nuclei Measurement: On the Development and the Performance Evaluation of an Optimized Center-Body Meter
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This work is concerned with the development of a center-body venturi for nuclei measurements of novel design, the Venturix. Our project aims to: 1. Define a specially tailored geometry for ...
The Erosive Axial Collapse of a Cavitating Vortex: An Experimental Study
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The erosive efficiency of cavitating vortices is well known, although its exact mechanism has not been clarified. In order to bring fundamental information to the subject, a new device called ...