Seminar Event Detail

Applied Interdisciplinary Mathematics (AIM)

Date:  Friday, September 26, 2014
Location:  1084 East Hall (3:00 PM to 4:00 PM)

Title:  Splashing.

Abstract:   Splashing from the impact of a liquid drop with a solid or liquid surface is an important problem with a wide range of practical applications including pesticide spraying, fuel injection systems, inkjet printing, the transfer of gases across the air-sea interface to name a few examples. It is also an experimentally and theoretically challenging physical problem. There is a bewildering variety of splash morphologies and droplet distributions which manifest as the system parameters (droplet size and speed, layer depth, fluid properties) are varied. Despite this complexity, a splash begins with the formation of a sheet-like jet. There are at least two varieties of jets: the large and slow lamella jet and the small and quick ejecta jet. In this talk I will present our progress towards understanding the simplest of splashes, the so-called crown splash, which results from the disintegration of the lamella. I will also discuss our experimental results on the ejecta jet and the role of the surrounding gas on its evolution.


Speaker:  Robert Deegan
Institution:  University of Michigan

Event Organizer:     


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