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Multiphase Science and Technology
SJR: 0.183 SNIP: 0.483 CiteScore™: 0.5

ISSN Imprimir: 0276-1459
ISSN On-line: 1943-6181

Multiphase Science and Technology

DOI: 10.1615/MultScienTechn.v11.i1.20
pages 19-36

THE IMPACT OF DROPS ON WALLS AND FILMS

Cameron Tropea
Technische Universität Darmstadt, Institute of Fluid Mechanics and Aerodynamics, Center of Smart Interfaces, International Research Training Group Darmstadt-Tokyo on Mathematical Fluid Dynamics, Germany
Marco Marengo
Advanced Engineering Centre, School of Computing Engineering and Mathematics, Cockcroft Building, Lewes Road, University of Brighton, Brighton BN2 4GJ, UK; Department of Engineering, University of Bergamo, Viale Marconi 5, 24044 Dalmine (BG), Italy

RESUMO

This review deals with the impact of drops on solid surfaces and on liquid films. The post-impingement behaviour on solid surfaces is strongly affected by the liquid-solid contact angle. When droplets impinge on liquid films, the mode of splashing is changed. The evidence relating to drop impaction is surveyed and it is concluded that there is a general lack of experimental data though there has been a rapid development of prediction tools.


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