Modelling of cavitational erosion in the area of surfaces of smooth contact

被引：4
|
作者：
Prikhodko, VM [1 ]
Buslaev, AP [1 ]
Norkin, SB [1 ]
Yashina, MV [1 ]
机构：
[1] Moscow State Automobile & Rd Tech Univ, Moscow 125829, Russia
来源：
ULTRASONICS SONOCHEMISTRY | 2001年 / 8卷 / 01期
关键词：
toroidal bubble; ultrasonic pulsation; cavitation; non-linear models;
D O I：
10.1016/S1350-4177(99)00048-6
中图分类号：
O42 [声学];
学科分类号：
070206 ; 082403 ;
摘要：
A qualitative and numerical analysis of the differential equation, describing pulsation of a symmetrical cavity in the area of the contact of smooth surfaces with different curvatures, forming a slot is presented in this article. This particular model is a slot between a plane and a sphere. Qualitative reasons of high erosion activity of such a toroidal bubble are defined. The boundary values were found when solutions of the equation are either non-harmonic periodic and non-vanishing, or vanishing (i.e., the bubble bursts). The results of this article can be applied to the controlling tasks of ultrasonic cavitation processes. (C) 2001 Elsevier Science B.V. All rights reserved.
引用
收藏
页码：59 / 67
页数：9
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