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Droplet impact on a thin fluid layer

Published online by Cambridge University Press:  25 October 2005

S. D. HOWISON ,
J. R. OCKENDON ,
J. M. OLIVER ,
R. PURVIS  and
F. T. SMITH
S. D. HOWISON
Affiliation:
Mathematical Institute, 24–29 St. Giles', Oxford OX1 3LB, UK
J. R. OCKENDON
Affiliation:
Mathematical Institute, 24–29 St. Giles', Oxford OX1 3LB, UK
J. M. OLIVER
Affiliation:
School of Mathematical Sciences, University of Nottingham, Nottingham NG7 2RD, UK
R. PURVIS
Affiliation:
School of Mathematics, University of East Anglia, Norwich NR4 7TJ, UK
F. T. SMITH
Affiliation:
The Department of Mathematics, University College London, Gower Street, London WC1E 6BT, UK
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Abstract

The initial stages of high-velocity droplet impact on a shallow water layer are described, with special emphasis given to the spray jet mechanics. Four stages of impact are delineated, with appropriate scalings, and the successively more important influence of the base is analysed. In particular, there is a finite time before which part of the water in the layer remains under the droplet and after which all of the layer is ejected in the splash jet.

Type
Papers
Information
Journal of Fluid Mechanics , Volume 542 , 10 November 2005 , pp. 1 - 23
Copyright
© 2005 Cambridge University Press

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