Simulations of ultrasonic cavitation micro-jet impact with different angles based on CEL

被引:0
作者
Ye L. [1 ]
Zhu X. [1 ]
Wang J. [1 ]
Zhang L. [1 ]
机构
[1] School of Mechanics and Power Engineering, North University of China, Taiyuan
来源
Zhendong yu Chongji/Journal of Vibration and Shock | 2016年 / 35卷 / 16期
关键词
CEL; Different angles; Micro-jet impact; Ultrasonic cavitation; Wall deformation;
D O I
10.13465/j.cnki.jvs.2016.16.021
中图分类号
学科分类号
摘要
To explore changes of the wall characteristics under the impact of the cavitation micro-jet with different angles in the ultrasonic honing, the Coupled Eulerian-Lagrangian(CEL) method was employed to establish a model of ultrasonic cavitation micro-jet impinging on a wall and conduct numerical simulations. The results show that micro pits appear on the wall under the micro-jet impact and its maximum depth can reach 0.11 μm. The lateral jet velocity on the back side of the micro-jet is lower than that on the front side, and the pressure, pit depth and equivalent strain of the back side are all higher than that of the front side. With the increase of the impact angle, wall pressure, pit depth and equivalent strain all slightly increase first and then decrease. The shock effect of micro-jet is the strongest at 15°. Much micro-jet impinging on the wall is useful to the material removal in the ultrasonic honing. © 2016, Editorial Office of Journal of Vibration and Shock. All right reserved.
引用
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页码:130 / 134and157
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