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Investigations of the Formation, Deformation and Breakup of Liquid Drops Using CFD

This is a past event.

Thursday, September 20, 2018, 4 pm

This is a past event.

ME-EM Graduate Seminar Speaker Series

proudly presents:

Dr. Kathleen Feigl
Department of Mathematical Sciences
Michigan Technological University

Abstract: Immiscible multiphase fluid systems appear in many flow processes in science and engineering. Key to understanding the overall flow process is understanding the formation, deformation and breakup of the dispersed phase fluid due to flowinduced stresses. In this talk, computational fluid dynamics (CFD) is used to investigate the behavior of liquid drops in several flow processes. The numerical simulations are performed using solvers or modified solvers of the open source software package, OpenFOAM. The flow problems are solved using finite volume methods, while the volume-of-fluid method is used to capture the interface for twophase flow problems. Results from three studies are presented: (1) the formation of drops from micro-pores; (2) the in-nozzle behavior of drops during emulsion spraying; and (3) the dispersing characteristics of peristaltic flow produced by antral contraction waves. Relevant and complementary experimental results are also presented.

Bio: Kathleen Feigl obtained a PhD in Mathematics from the Illinois Institute of Technology in 1991. From 1991-1999, she worked at the Swiss Federal Institute of Technology (ETH-Zurich), first as a Post-doctoral Associate in the Institute of Polymers, and then as a Senior Research Associate in the Institute of Polymers and the Institute of Food, Nutrition and Health. In 1999, she joined the faculty of Michigan Technological University in the Department of Mathematical Sciences as an Associate Professor. She was promoted to Professor in 2003, and she has continued in that position to present day. Currently, she is serving as Associate Editor of Physics of Fluids. Dr Feigl's research field is the modeling and simulation of complex fluids, such as emulsions, sprays, and polymers. The focus of her work is the development and use of accurate, efficient, stable and convergent numerical techniques for computing two-phase flows and viscoelastic flows. A major research goal is to understand the interplay between a fluid's flow behavior, its evolving microstructure, and its rheological and material properties.

Invited by: Hassan Masoud

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