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Characteristics of a bubble jet near a vertical wall

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Title:
Characteristics of a bubble jet near a vertical wall
Author(s):
ZHANG A-man YAO Xiong-liang LI Jia
Affilations:
Author(s):
-
Keywords:
bubble jet rigid wall boundary integral Bjerknes effect Blake criterion
分类号:
TB5
DOI:
-
Abstract:
A numerical model of a coupled bubble jet and wall was built on the assumption of potential flow and calculated by the boundary integral method. A three-dimensional computing program was then developed. Starting with the basic phenomenon of the interaction between a bubble and a wall, the dynamics of bubbles near rigid walls were studied systematically with the program. Calculated results agreed well with experimental results. The relationship between the Bjerknes effect of a wall and characteristic parameters was then studied and the calculated results of various cases were compared and discussed with the Blake criterion based on the Kelvin-impulse theory. Our analyses show that the angle of the jet’s direction and the pressure on the rigid wall have a close relationship with collapse force and the bubble’s characteristic parameters. From this, the application range of Blake criterion can be determined. This paper aims to provide a basis for future research on the dynamics of bubbles near a wall.

References:

1. NAUDE C F.ELLIS AT On the mechanism of cavitation damage by non-hemispherical cavities in contact with a solid boundary 1961
2. BENJAMIN T B.ELLIS A T Cavitation:the collapse of cavitation bubbles and the pressures thereby produced against solid boundaries 1966
3. PLESSET M S.CHAPMAN R B Collapse of an initially spherical vapor cavity in the neighborhood of a solid boundary 1971
4. BLAKE J R.TAIB B B.DOHETRY G Transient cavities near boundaries part l:rigid boundary 1986
5. CHAN P C.KAN K K.STUHMILLER J M A Computational study of bubble-structure interaction 2000 6. ZHANG Y L.YEO K S.KHOO B C.WANG C 3D jet impact and toroidal bubbles 2001(02)
7. YAO Xiongliang.ZHANG Aman Simulation on the motion of 3D underwater explosion bubble with Green function method [期刊论文] -Chinese Journal of Theoretical Applied Mechanics2006(06)
8. BEST J P.KUCERA A A numerical investigation of non-spherical rebounding bubbles 1992
9. YAO X L.ZHANG A M A numerical investigation of bubble dynamics based on the potential-How theory [期刊论文] -Journal of Marine Science and Application2006(04) 10. WANG Q X.YEO K S.KHOO B C Strong interaction between a buoyancy bubble and a free surface 1996
11. WANG Q X.YEO K S.KHOO B C Nonlinear interaction between gas bubble and free surface 1996(07)
12. KLASEBOER E.HUNG K C.WANG C Experimental and numerical investigation of the dynamics of an underwater explosion bubble near a resilient/rigid structure 2005 13. BLAKE J R.GIBSON D C Cavitation bubbles near boundaries 1987
14. WANG Q X The evolution of a gas bubble near an inclined wall 1998

Memo

Memo:
国家自然科学基金,The Specialized Research Fund for theDoctoral Program of Higher Education of China,The Defence Advance Research Program of Science and Technology of Ship Industry,哈尔滨工程大学校科研和教改项目
Last Update: 2008-10-08