Reference : Edge effect: Liquid sheet and droplets formed by drop impact close to an edge
Scientific journals : Article
Engineering, computing & technology : Mechanical engineering
Engineering, computing & technology : Multidisciplinary, general & others
http://hdl.handle.net/2268/227440
Edge effect: Liquid sheet and droplets formed by drop impact close to an edge
English
Lejeune, Sophie mailto [Université de Liège - ULiège > Département d'aérospatiale et mécanique > Microfluidique >]
Gilet, Tristan mailto [Université de Liège - ULiège > Département d'aérospatiale et mécanique > Microfluidique >]
Bourouiba, Lydia mailto [Massachusetts Institute of Technology - MIT > Civil and Environmental Engineering > The Fluid Dynamics of Disease Transmission Laboratory > >]
7-Aug-2018
Physical Review Fluids
American Physical Society
3
083601
Yes (verified by ORBi)
International
2469-990X
[en] drop impact ; fragmentation ; droplets
[en] Asymmetric liquid sheet fragmentation is ubiquitous in nature and potentially shapes
critical phenomena such as rain-induced propagation of foliar diseases. In this experimental
study, we investigate the formation and fragmentation of a liquid sheet upon impact of a
drop close to the edge of a solid substrate. Both the impact Weber number and the offset,
the distance from the impact point to the edge, are systematically varied. Their influence
on the kinematics of the liquid sheet and the subsequent statistics of droplet ejection are
rationalized. Three major asymmetry scenarios are identified and linked to distinct droplet
ejection patterns. Scaling laws are proposed to rationalize these scenarios based on impact
parameters.
Fonds de la Recherche Scientifique (Communauté française de Belgique) - F.R.S.-FNRS ; USDA-NIFA Specialty Crop Research Initiative Grant Award No. MDW-2016-04938 ; MIT REED and Edgerton Funds
Researchers ; Professionals
http://hdl.handle.net/2268/227440
10.1103/PhysRevFluids.3.083601

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