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Experiments in Fluids
Published in: Experiments in Fluids 6/2003

01-12-2003 | Original

Experimental investigation of splash and crown formation during single drop impact on wetted surfaces

Authors: R. Rioboo, C. Bauthier, J. Conti, M. Voué, J. De Coninck

Published in: Experiments in Fluids | Issue 6/2003

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Abstract

Experimental results concerning crown formation during liquid drop impact on wetted surfaces are reported. Different liquids and numerous impact conditions are investigated. In particular, crown-splash (C-S) and deposition-crown (D-C) limits are determined on the basis of the experimental observations. These limits converge for dimensionless film thickness thinner than 0.03, leaving the outcome of crown formation unobserved. The sole Weber number and dimensionless film thickness cannot explain the phenomenon. It appears that all these data can be described using a combination of Weber and Ohnesorge numbers versus dimensionless film thickness.
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Literature
Cossali GE, Coghe A, Marengo M (1997) The impact of a single drop on a wetted solid surface. Exp Fluids 22:463–472CrossRef
De Ruijter M, De Coninck J, Oshanin G (1999) Droplet spreading: partial wetting regime revisited. Langmuir 15:2209–2216CrossRef
De Ruijter M, Charlot M, Voué M, De Coninck J (2000) Experimental evidence of several time scales in drop spreading. Langmuir 16:2363–2368CrossRef
Heslot F, Fraysse N, Cazabat AM (1989) Molecular layering in the spreading of wetting liquid drops. Nature 338:640–642
Lide DR (ed)(1995) 75th CRC handbook of chemistry and physics. CRC Press, Boca Raton, FL
Macklin WC, Metaxas GJ (1976) Splashing of drops on liquid layers. J Appl Phys 47:3963–1970
Mundo C, Sommerfeld M, Tropea C (1995) Droplet-wall collisions: experimental studies of the determination and breakup process. Int J Multiphase Flow 21:151–173
Rein M (1993) Phenomena of liquid drop impact on solid and liquid surfaces. Fluid Dyn Res 12:61–93CrossRef
Rioboo R, Marengo M, Cossali GE, Tropea C (2000) Comparison of drop impact: dry and wetted cases. Proc Ilass 2000, Darmstadt
Rioboo R, Marengo M, Tropea C (2001) Outcomes from a drop impact on solid surfaces. Atomization Sprays 11:155–166
Roisman IV, Tropea C (2002) Impact of a drop onto a wetted wall: description of crown formation and propagation. J Fluid Mech 472:373–397CrossRef
Voué M, Rioboo R, Bauthier C, Conti J, Charlot M, De Coninck J (2003) Dissipation and moving contact lines on non-rigid substrates. (accepted for publication in J Eur Ceram Soc)
Wang AB, Chen CC (2000) Splashing impact of a single drop onto very thin liquid films. Phys Fluids 12:2155–2158CrossRef
Yarin AL, Weiss DA (1995) Impact of drops on solid surfaces: self-similar capillary waves, and splashing as a new type of kinematic discontinuity. J Fluid Mech 283:141–173
Metadata
Title
Experimental investigation of splash and crown formation during single drop impact on wetted surfaces
Authors
R. Rioboo
C. Bauthier
J. Conti
M. Voué
J. De Coninck
Publication date
01-12-2003
Publisher
Springer-Verlag
Published in
Experiments in Fluids / Issue 6/2003
Print ISSN: 0723-4864
Electronic ISSN: 1432-1114
DOI
https://doi.org/10.1007/s00348-003-0719-5

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