Experimental study of the interaction between the spark-induced cavitation bubble and the air bubble
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摘要
Experiments are carried out by using high-speed photography to investigate the interaction between the spark-generated cavitation bubble and the air bubble in its surrounding fluid.Three problems are discussed in detail:the impact of the air bubble upon the development of the cavitation bubble,the evolution of the air bubble under the influence of the cavitation bubble,and the change of the fluid pressure during the development of a micro jet of the cavitation bubble.Based on the experimental results,under the condition of no air bubble present,the lifetime of the cavitation bubble from expansion to contraction increases with the increase of the maximum radius.On the other hand,when there is an air bubble present,different sized cavitation bubbles have similarity with one another generally in terms of the lifetime from expansion to contraction,which does not depend on the maximum radius.Also,with the presence of an air bubble,the lifetime of the smaller cavitation bubble is extended while that of the bigger ones reduced.Furthermore,it is shown in the experiment that the low pressure formed in the opposite direction to the cavitation bubble micro jet makes the air bubble in the low pressure area being stretched into a steplike shape.
Experiments are carried out by using high-speed photography to investigate the interaction between the spark-generated cavitation bubble and the air bubble in its surrounding fluid. Three problems are discussed in detail: the impact of the air bubble upon the development of the cavitation bubble, the evolution of the air bubble under the influence of the cavitation bubble, and the change of the fluid pressure during the development of a micro jet of the cavitation bubble. Based on the experimental results, under the condition of no air bubble present, the lifetime of the cavitation bubble from expansion to contraction increases with the increase of the maximum radius. On the other hand, when there is an air bubble present, different sized cavitation bubbles have similarity with one another generally in terms of the lifetime from expansion to contraction, which does not depend on the maximum radius. Also, with the presence of an air bubble, the lifetime of the smaller cavitation bubble is extended while that of the bigger ones reduced. Furthermore, it is shown in the experiment that the low pressure formed in the opposite direction to the cavitation bubble micro jet makes the air bubble in the low pressure area being stretched into a steplike shape.
Experiments are carried out by using high-speed photography to investigate the interaction between the spark-generated cavitation bubble and the air bubble in its surrounding fluid. Three problems are discussed in detail: the impact of the air bubble upon the development of the cavitation bubble, the evolution of the air bubble under the influence of the cavitation bubble, and the change of the fluid pressure during the development of a micro jet of the cavitation bubble. Based on the experimental results, under the condition of no air bubble present, the lifetime of the cavitation bubble from expansion to contraction increases with the increase of the maximum radius. On the other hand, when there is an air bubble present, different sized cavitation bubbles have similarity with one another generally in terms of the lifetime from expansion to contraction, which does not depend on the maximum radius. Also, with the presence of an air bubble, the lifetime of the smaller cavitation bubble is extended while that of the bigger ones reduced. Furthermore, it is shown in the experiment that the low pressure formed in the opposite direction to the cavitation bubble micro jet makes the air bubble in the low pressure area being stretched into a steplike shape.
引文
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[10]ZHANG Peng-li,LIN Shu-yu.Two-bubble interaction under the sound field[J].Acta Physica Sinica,2009,58(11):7797-7801.
[11]AKHATOV I.,LINDAU O.and TOPOLNIKOV A.et al.Collapse and rebound of a laser-induced cavitation bubble[J].Physics of Fluids,2001,13(10):2805-2819.
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[13]MAIGA M.A.,BUISINE D.Multi-bubble model for cavitation[J].Comptes Rendus Mcanique,2009,337(11-12):791-800.
[14]CHAHINE Georges L.Numerical simulation of bubble flow interactions[J].Journal of Hydrodynamics,2009,21(3):316-332.
[15]JAMALUDDIN A.R.,BALL G.J.and LEIGHTON T.J.Free-Lagrange simulations of shock/bubble.Interaction in shock wave lithotripsy[C].The 24th International Symposium on Shock Waves.Beijing,China,2005.
[16]ROBINSON P.B.,BLAKE J.R.and KODAMA T.et al.Interaction of cavitation bubbles with a free surface[J].Journal of Applied Physics,2001,89(12):8225-8237.
[17]XU Wei-lin,BAI Li-xin and ZHANG Fa-xing.Interaction of a cavitation bubble and an air bubble with a rigid boundary[J].Journal of Hydrodynamics,2010,22(4):503-512.
[2]LINDAU O.,LAUTERBORN W.Cinematographic observation of the collapse and rebound of a laser-produced cavitation bubble near a wall[J].Journal of Fluid Mechanics,2003,479:327-348.
[3]ZHANG A.M.,YAO X.L.and FENG L.H.The dynamic behavior of a gas bubble near a wall[J].Ocean Engineering,2009,36(3-4):295-305.
[4]BRUJAN E.A.,MATSUMOTO Y.Collapse of micrometer-sized cavitation bubbles near a rigid boundary[J].Microfluidics and Nanofluidics,2012,13(6):957-966.
[5]SHAW S.J.,SCHIFFERS W.P.and EMMONY D.C.Experimental observations of the stress experienced by a solid surface when a laser-created bubble oscillates in its vicinity[J].The Journal of the Acoustical Society of America,2001,110(4):1822-1827.
[6]SHAW S.J.,SCHIFFERS W.P.and GENTRY T.P.The interaction of a laser-generated cavity with a solid boundary[J].The Journal of the Acoustical Society America,2000,107(6):3065-3072.
[7]BRUJAN E.A.,KEEN G.S.and VOGEL A.et al.The final stage of the collapse of a cavitation bubble close to a rigid boundary[J].Physics of Fluids,2002,14(1):85-92.
[8]XU R.,ZHAO R.and CUI Y.et al.The collapse and rebound of gas–vapor cavity on metal surface[J].OptikInternational Journal for Light and Electron Optics,2009,120(3):115-120.
[9]TOMITA Y.,ROBINSON P.B.and TONG R.P.et al.Growth and collapse of cavitation bubbles near a curved rigid boundary[J].Journal of Fluid Mechanics,2002,466:259-283.
[10]ZHANG Peng-li,LIN Shu-yu.Two-bubble interaction under the sound field[J].Acta Physica Sinica,2009,58(11):7797-7801.
[11]AKHATOV I.,LINDAU O.and TOPOLNIKOV A.et al.Collapse and rebound of a laser-induced cavitation bubble[J].Physics of Fluids,2001,13(10):2805-2819.
[12]HU Ying-ying,ZHU Ke-qin and XI Bao-shu.Numerical simulation of the collapse of a bubble near the rigid wall[J].Journal of Hydrodynamics,Ser.A,2004,19(3):310-315(in Chinese).
[13]MAIGA M.A.,BUISINE D.Multi-bubble model for cavitation[J].Comptes Rendus Mcanique,2009,337(11-12):791-800.
[14]CHAHINE Georges L.Numerical simulation of bubble flow interactions[J].Journal of Hydrodynamics,2009,21(3):316-332.
[15]JAMALUDDIN A.R.,BALL G.J.and LEIGHTON T.J.Free-Lagrange simulations of shock/bubble.Interaction in shock wave lithotripsy[C].The 24th International Symposium on Shock Waves.Beijing,China,2005.
[16]ROBINSON P.B.,BLAKE J.R.and KODAMA T.et al.Interaction of cavitation bubbles with a free surface[J].Journal of Applied Physics,2001,89(12):8225-8237.
[17]XU Wei-lin,BAI Li-xin and ZHANG Fa-xing.Interaction of a cavitation bubble and an air bubble with a rigid boundary[J].Journal of Hydrodynamics,2010,22(4):503-512.