Northwestern University

Jan
29
Mon 4:00 PM

Professor Jens Eggers: Two Problems Involving Breakup of a Liquid Film

When: Monday, January 29, 2018
4:00 PM - 5:00 PM  

Where: Technological Institute, M416, 2145 Sheridan Road, Evanston, IL 60208 map it

Audience: Faculty/Staff - Student - Public - Post Docs/Docs - Graduate Students

Contact: Beth Siculan   847.491.3345

Group: McCormick-Colloquia Engineering Sciences and Applied Mathematics

Category: Lectures & Meetings

Description:

Title: Two Problems Involving Breakup of a Liquid Film

Speaker: Professor Jens Eggers, University of Bristol School of Mathematics

Abstract:Understanding the breakup of a liquid film is complicated by the fact that there is no obvious instability driving breakup: surface tension favors a film of uniform thickness over a deformed one. We identify two mechanisms driving a film toward (infinite time) pinch-off. In the first problem, we show how the rise of a bubble is arrested in a narrow tube, on account of the lubricating film pinching off. In the second problem, breakup of a free liquid film is driven by a strong temperature gradient across the pinch region.

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