基于CEL不同角度超声空化微射流冲击的仿真分析

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Abstract To explore changes of the wall characteristics under the impacting of the cavitation micro-jet with different angles in the ultrasonic honing, the Coupled Eulerian-Lagrangian(CEL) method was applied to establish the model of ultrasonic cavitation micro-jet impinging on a wall and conduct the numerical simulation. The results show: micro pits appear on the wall under the micro-jet impact, which 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 are all first slightly increased and then decreased, especially the shock effect of micro-jet is the strongest at 15º. Much micro-jet impinging on the wall is advantageous to the material removal in the ultrasonic honing.

Key words： ultrasonic cavitation micro-jet impact different angles CEL wall deformation

Received: 02 June 2015 Published: 15 August 2016

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	Articles by authors
	YE Lin-zheng
	ZHU Xi-jing
	WANG Jian-qing
	ZHANG Le-lin

Cite this article:

YE Lin-zheng,ZHU Xi-jing,WANG Jian-qing, et al. Simulation analysis of ultrasonic cavitation micro-jet impact with different angles based on CEL[J]. JOURNAL OF VIBRATION AND SHOCK, 2016, 35(16): 130-134.

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http://jvs.sjtu.edu.cn/EN/ OR http://jvs.sjtu.edu.cn/EN/Y2016/V35/I16/130

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