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The flow phenomena such as spray，splash and especially the bell-like spray happening after a droplet impacts on the liquid film are observed in experiment. The relationship between the flow phenomena and the diameter and speed of the droplet, and the viscosity, the surface tension and the thickness of the film are probed. The condition for bell-like spray brought about after the collision of the droplet on the film is discussed.
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Keywords:
- droplet /
- film /
- impingement /
- flow visualisation
[1] ［1］Rein M 1996 J. Fluid Mech. 306 145
[2] ［2］Walzel P, 1980 Chem. Ing. Tech. 52 338
[3] ［3］Stow C D, Hadfield M G 1981 Proc. Roy. Soc. Lond. A 373 419
[4] ［4］Yarin A L, Weiss D 1995 J. Fluid Mech. 283 141
[5] ［5］Mundo C H R, Sommerfeld M, Tropea C 1995 Int. J. Multiphase Flow 21 151
[6] ［6］Cossali G E, Coghe A, Marengo M 1997 Exper. Fluids 22 463
[7] ［7］Wu Z N 2003 Acta Mech. 10 1
[8] ［8］Wal Randy L Vander, Berger Gordon M, Mozes Steven D 2006 Exper. Fluids 40 33
[9] ［9］Yang C L 2000 M. D. Thesis (Taipei：National Taiwan University) (in Chinese) ［杨建隆 2000 硕士学位论文（台北：台湾大学）］
[10] ］Rioboo R, Bauthier C, Conti J, Voue M, De Connick J 2003 Exper. Fluids 32 1
[11] ］Thoroddsen S T, Takehara K 2000 Phys. Fluids 12 1265
[12] ］Cossali G E, Marengo M, Coghe A, Zhdanov S 2004 Exper. Fluids 36 888
[13] ］Wal Randy L V, Berger G M, Mozes S D 2006 Exper. Fluids 40 53
[14] ］Chang J Z, Liu H T, Liu M B 2008 Acta Phys. Sin. 57 3954 (in Chinese)［常建忠、刘汉涛、刘谋斌 2008 物理学报 57 3954］
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[1] ［1］Rein M 1996 J. Fluid Mech. 306 145
[2] ［2］Walzel P, 1980 Chem. Ing. Tech. 52 338
[3] ［3］Stow C D, Hadfield M G 1981 Proc. Roy. Soc. Lond. A 373 419
[4] ［4］Yarin A L, Weiss D 1995 J. Fluid Mech. 283 141
[5] ［5］Mundo C H R, Sommerfeld M, Tropea C 1995 Int. J. Multiphase Flow 21 151
[6] ［6］Cossali G E, Coghe A, Marengo M 1997 Exper. Fluids 22 463
[7] ［7］Wu Z N 2003 Acta Mech. 10 1
[8] ［8］Wal Randy L Vander, Berger Gordon M, Mozes Steven D 2006 Exper. Fluids 40 33
[9] ［9］Yang C L 2000 M. D. Thesis (Taipei：National Taiwan University) (in Chinese) ［杨建隆 2000 硕士学位论文（台北：台湾大学）］
[10] ］Rioboo R, Bauthier C, Conti J, Voue M, De Connick J 2003 Exper. Fluids 32 1
[11] ］Thoroddsen S T, Takehara K 2000 Phys. Fluids 12 1265
[12] ］Cossali G E, Marengo M, Coghe A, Zhdanov S 2004 Exper. Fluids 36 888
[13] ］Wal Randy L V, Berger G M, Mozes S D 2006 Exper. Fluids 40 53
[14] ］Chang J Z, Liu H T, Liu M B 2008 Acta Phys. Sin. 57 3954 (in Chinese)［常建忠、刘汉涛、刘谋斌 2008 物理学报 57 3954］
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