INFLUENCE OF PRESSURE OSCILLATION FREQUENCY ON CAVITATION EROSION OF MATERIALS

被引：1

作者：

Ganiev, R. F. ^{[1
]}

Zhebynev, D. A. ^{[1
]}

Fel'dman, A. M. ^{[1
]}

机构：

[1] Russian Acad Sci, Russian Acad Sci Sci Ctr, Wave Mech & Tech, AA Blagonravov Inst Machine Sci, 4 Bardin Str, Moscow 119991, Russia

来源：

JOURNAL OF ENGINEERING PHYSICS AND THERMOPHYSICS | 2014年 / 87卷 / 03期

关键词：

wave technology; cavitation; nonlinear oscillations; nonlinear resonances; cavitation erosion of lead;

D O I：

10.1007/s10891-014-1058-5

中图分类号：

O414.1 [热力学];

学科分类号：

摘要：

This paper presents the results of investigations of the cavitation erosion of metals caused by pressure oscillations excited by means of a hydrodynamic oscillator in cylindrical tubes closed on one end in the absence of fluid flow in them. Intense cavitation zones were created in the region of the ends of tubes plugged with test pieces. It has been shown that the degree of cavitation erosion of the specimen material is determined by the oscillation amplitude and the frequency of nonlinear pressure oscillations in the tube. The maximum erosion rate of test specimens was observed under excitation of resonances of standing waves in the tubes.

引用

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页码：665 / 671

页数：7

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