Results 21 to 30 of about 6,608 (253)

Cavitation regime detection through Proper Orthogonal Decomposition: dynamics analysis of the sheet cavity on a grooved convergent-divergent nozzle [PDF]

open access: yes, 2014
The unsteady character of the sheet cavity dynamics on the suction side of hydrofoils, on convergent–divergent nozzles or on blades in turbines and propellers is responsible for many issues like erosion, noise and vibrations. This two-phase flow dynamics
DANLOS, Amélie   +7 more
core   +1 more source

Isothermal compressible flow solver for prediction of cavitation erosion

open access: yesEngineering Applications of Computational Fluid Mechanics, 2019
Cavitation erosion can be observed on hydraulic mechanical devices and has long been studied as a challenging research topic. In this paper, a practical method to predict cavitation erosion was developed.
Sunho Park, Honggu Yeo, Shin Hyung Rhee
doaj   +1 more source

Calculated and experimental determination of erosion zones in the flow part of the vane type pump [PDF]

open access: yesE3S Web of Conferences, 2019
The results of numerical and experimental investigations aimed at creating a methodology for predicting the erosion characteristics of vane pumps were conducted in this paper.
Svoboda Dmitry   +3 more
doaj   +1 more source

Unveiling the Potential of Cavitation Erosion-Induced Heavy Crude Oil Upgrading

open access: yesFluids, 2023
The application of ultrasonic waves in the processing of hydrocarbons is a new promising technology that has developed rapidly in recent years. However, the acoustic-induced cavitation erosion phenomenon is poorly studied.
Gadel F. Baimukhametov   +10 more
doaj   +1 more source

A Cavitation Erosion Model for Ductile Materials [PDF]

open access: yes, 2001
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 collapses.
Berchiche, Nabila   +7 more
core   +1 more source

Study of the relationship of cavitation erosion activity and cavitation noise intensity

open access: yesДоклады Белорусского государственного университета информатики и радиоэлектроники, 2020
The study of the erosion activity of cavitation is of considerable interest for clarifying the mechanism of the effect of cavitation on biological tissues and cells. This paper proposes an improved technique for assessing the erosion activity of acoustic
V. S. Minchuk   +3 more
doaj   +1 more source

Study of the cavitating instability on a grooved Venturi profile [PDF]

open access: yes, 2014
Instabilities of a partial cavity developed on a hydrofoil, a converging-diverging step, or in an interblade channel have already been investigated in many previous works. The aim of this study is to evaluate a passive control method of the sheet cavity.
DANLOS, Amélie   +4 more
core   +1 more source

Effects of plating on cavitation erosion.

open access: yesTRANSACTIONS OF THE JAPAN SOCIETY OF MECHANICAL ENGINEERS Series A, 1987
to study the cavitation erosion behavior of interface and base metal for platings, magneto-strictive erosion tests were carried out in a 3% NaCl solution using a 0.18% carbon steel specimen plated thinly with zinc, tin, chromium or nickel. When erosion attack extends to the interface between the plating and base metal, chromium or nickel plating which ...
OKADA, Tsunenori   +2 more
openaire   +2 more sources

Surface Properties and Cavitation Erosion Resistance of Cast Iron Subjected to Laser Cavitation Treatment

open access: yesMetals, 2023
Laser cavitation is a novel surface modification technology using the impact of bubble collapse and laser-induced plasma to induce plastic deformation and produce compressive residual stress on material surfaces.
Chunhui Luo, Jiayang Gu
doaj   +1 more source

Cavitation erosion in liquid nitrogen

open access: yesWear, 2018
Abstract Thermodynamic effects in cavitation become significant only when the critical-point temperature is close to the operating temperature of the fluid, as in the case of cryogenic fluids. Therefore, the understanding and the prediction of the cavitation effects in such cases is crucial in many applications - for example the turbopumps for liquid
Dular, Matevž, Petkovšek, Martin
openaire   +2 more sources

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