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Atomization and Sprays
IF: 1.189 5-Year IF: 1.596 SJR: 0.814 SNIP: 1.18 CiteScore™: 1.6

ISSN Print: 1044-5110
ISSN Online: 1936-2684

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Atomization and Sprays

DOI: 10.1615/AtomizSpr.2017018533
pages 395-406

IMPACT OF PARTICLE-LADEN DROPS: SPLASHING CRITERION

Viktor Grishaev
Center for Design, Manufacturing and Materials, Skolkovo Institute of Science and Technology, Skolkovo Innovation Center, Building 3, Moscow, 143026, Russia; Service de Chimie-Physique EP, CP165-62, Université Libre de Bruxelles, 50 Av. F.D. Roosevelt 1050, Brussels, Belgium
Carlo Saverio Iorio
Service de Chimie-Physique EP, CP165-62, Université Libre de Bruxelles, 50 Av. F.D. Roosevelt 1050, Brussels, Belgium
Frank Dubois
Service de Chimie-Physique EP, CP165-62, Université Libre de Bruxelles, 50 Av. F.D. Roosevelt 1050, Brussels, Belgium
Alidad Amirfazli
Department of Mechanical Engineering, York University, Toronto, Ontario, Canada M3J 1P3

ABSTRACT

The aim of this study is to formulate a criterion to describe the onset of splashing for dilute and dense suspension drops composed of hydrophilic or hydrophobic particles. The formulation is based on the analysis of the existing data from the literature and from us. The new criterion improves upon current models in predicting the splashing threshold by introducing effect of particle volume fraction and particle wettability. The criterion's mathematical formulation correctly describes the dependence of splashing on particle diameter, volume fraction, and wettability. It works equally well for predicting the onset of splashing on hydrophilic and hydrophobic substrates.


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