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The phenomenon of liquid drop impact on wetted spherical surfaces with low impact velocity is observed using a high speed digital camera at 10000 frames per second. Drop rebound, partial rebound and spreading are observed and analyzed, considering the effect of viscosity. Influences of the sphere diameter, impact velocity and viscosity on the spreading characteristic parameter are discussed quantitatively. The experimental observations show that the drop rebound and partial rebound phenomena may occur at large viscosity and low impact velocity, which cannot be observed at small viscosity. The spreading area can be increased by increasing impact velocity. The results also reveal that the spreading factor increases with viscosity decreasing. At the sphere diameters ranging from 4 mm to 20 mm, it is found that with the increase of the sphere diameter, the spreading factor will be increased.
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Keywords:
- drop impact /
- wetted spherical surface /
- spreading /
- viscosity
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[2] Cossali G E, Coghe A, Marengo M 1997 Exp. Fluids 22 463
[3] Vander Wal R, Berger G, Mozes S 2006 Exp. Fluids 40 33
[4] Vander Wal R, Berger G, Mozes S 2006 Exp. Fluids 40 53
[5] Vander Wal R, Berger G, Mozes S 2006 Exp. Fluids 40 23
[6] Okawa T, Shiraishi T, Mori T 2006 Exp. Fluids 41 965
[7] Rioboo R, Bauthier C, Conti J, Voué M, De Coninck J 2003 Exp. Fluids 35 648
[8] Yarin A L, Weiss D A 1995 J. Fluid Mech. 283 141
[9] Liang G T, Shen S Q, Guo Y L, Chen J X, Yu H, Li Y Q 2013 Acta Phys. Sin. 62 084707 (in Chinese) [梁刚涛, 沈胜强, 郭亚丽, 陈觉先, 于欢, 李熠桥 2013 物理学报 62 084707]
[10] Chowdhury D, Sarkar S P, Kalita D, Sarma T K, Paul A, Chattopadhyay A 2004 Langmuir 20 1251
[11] Thoroddsen S T 2002 J. Fluid Mech. 451 373
[12] Liang G T, Guo Y L, Shen S Q 2013 Acta Phys. Sin. 62 024705 (in Chinese) [梁刚涛, 郭亚丽, 沈胜强 2013 物理学报 62 024705]
[13] Liang G T, Shen S Q, Yang Y 2012 J. Therm. Sci. Technol. 11 8 (in Chinese) [梁刚涛, 沈胜强, 杨勇 2012 热科学与技术 11 8]
[14] Ma L Q, Chang J Z, Liu H T, Liu M B 2012 Acta Phys. Sin. 61 054701 (in Chinese) [马理强, 常建忠, 刘汉涛, 刘谋斌 2012 物理学报 61 054701]
[15] Ma L Q, Liu M B, Chang J Z, Su T X, Liu H T 2012 Acta Phys. Sin. 61 244701 (in Chinese) [马理强, 刘谋斌, 常建忠, 苏铁熊, 刘汉涛 2012 物理学报 61 244701]
[16] Tang B, Li J F, Wang T S 2008 Acta Phys. Sin. 57 6722 (in Chinese) [汤波, 李俊峰, 王天舒 2008 物理学报 57 6722]
[17] Bakshi S, Roisman I, Tropea C 2007 Phys. Fluids 19 032102
[18] Hardalupas Y, Taylor A M K P, Wilkins J H 1999 Int. J. Heat Fluid Fl. 20 477
[19] Hung L S, Yao S C 1999 Int. J. Multiphas. Flow 25 1545
[20] Pasandideh-Fard M, Bussmann M, Chandra S, Mostaghimi J 2001 Atomization Spray. 11 397
[21] Shen S, Bi F, Guo Y 2012 Int. J. Heat Mass Trans. 55 6938
[22] Rioboo R, Marengo M, Tropea C 2002 Exp. Fluids 33 112
[23] Stow C D, Hadfield M G 1981 Proc. R. Soc. A: Math. Phys. Sci. 373 419
[24] Mundo C, Sommerfeld M, Tropea C 1995 Int. J. Multiphas. Flow 21 151
[25] Bi F F, Guo Y L, Shen S Q, Chen J X, Li Y Q 2012 Acta Phys. Sin. 61 184702 (in Chinese) [毕菲菲, 郭亚丽, 沈胜强, 陈觉先, 李熠桥 2012 物理学报 61 184702]
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[1] Sun Z H, Han R J 2008 Chin. Phys. B 17 3185
[2] Cossali G E, Coghe A, Marengo M 1997 Exp. Fluids 22 463
[3] Vander Wal R, Berger G, Mozes S 2006 Exp. Fluids 40 33
[4] Vander Wal R, Berger G, Mozes S 2006 Exp. Fluids 40 53
[5] Vander Wal R, Berger G, Mozes S 2006 Exp. Fluids 40 23
[6] Okawa T, Shiraishi T, Mori T 2006 Exp. Fluids 41 965
[7] Rioboo R, Bauthier C, Conti J, Voué M, De Coninck J 2003 Exp. Fluids 35 648
[8] Yarin A L, Weiss D A 1995 J. Fluid Mech. 283 141
[9] Liang G T, Shen S Q, Guo Y L, Chen J X, Yu H, Li Y Q 2013 Acta Phys. Sin. 62 084707 (in Chinese) [梁刚涛, 沈胜强, 郭亚丽, 陈觉先, 于欢, 李熠桥 2013 物理学报 62 084707]
[10] Chowdhury D, Sarkar S P, Kalita D, Sarma T K, Paul A, Chattopadhyay A 2004 Langmuir 20 1251
[11] Thoroddsen S T 2002 J. Fluid Mech. 451 373
[12] Liang G T, Guo Y L, Shen S Q 2013 Acta Phys. Sin. 62 024705 (in Chinese) [梁刚涛, 郭亚丽, 沈胜强 2013 物理学报 62 024705]
[13] Liang G T, Shen S Q, Yang Y 2012 J. Therm. Sci. Technol. 11 8 (in Chinese) [梁刚涛, 沈胜强, 杨勇 2012 热科学与技术 11 8]
[14] Ma L Q, Chang J Z, Liu H T, Liu M B 2012 Acta Phys. Sin. 61 054701 (in Chinese) [马理强, 常建忠, 刘汉涛, 刘谋斌 2012 物理学报 61 054701]
[15] Ma L Q, Liu M B, Chang J Z, Su T X, Liu H T 2012 Acta Phys. Sin. 61 244701 (in Chinese) [马理强, 刘谋斌, 常建忠, 苏铁熊, 刘汉涛 2012 物理学报 61 244701]
[16] Tang B, Li J F, Wang T S 2008 Acta Phys. Sin. 57 6722 (in Chinese) [汤波, 李俊峰, 王天舒 2008 物理学报 57 6722]
[17] Bakshi S, Roisman I, Tropea C 2007 Phys. Fluids 19 032102
[18] Hardalupas Y, Taylor A M K P, Wilkins J H 1999 Int. J. Heat Fluid Fl. 20 477
[19] Hung L S, Yao S C 1999 Int. J. Multiphas. Flow 25 1545
[20] Pasandideh-Fard M, Bussmann M, Chandra S, Mostaghimi J 2001 Atomization Spray. 11 397
[21] Shen S, Bi F, Guo Y 2012 Int. J. Heat Mass Trans. 55 6938
[22] Rioboo R, Marengo M, Tropea C 2002 Exp. Fluids 33 112
[23] Stow C D, Hadfield M G 1981 Proc. R. Soc. A: Math. Phys. Sci. 373 419
[24] Mundo C, Sommerfeld M, Tropea C 1995 Int. J. Multiphas. Flow 21 151
[25] Bi F F, Guo Y L, Shen S Q, Chen J X, Li Y Q 2012 Acta Phys. Sin. 61 184702 (in Chinese) [毕菲菲, 郭亚丽, 沈胜强, 陈觉先, 李熠桥 2012 物理学报 61 184702]
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