Virtual Seminar"How rods give structure to fluids and how structure is distorted by flow" Pavlik Lettinga


Monday, February 8, 2021 - 09:00




Micro/Bio/Nanofluidics (Shen) Unit would like to invite you to the virtual seminar by Prof. Kari Dalnoki-Veress on February 8 (Monday).
Date: Monday, February 8, 2021 (Monday)
Time: 9:00-10:00am
**Zoom session

*Zoom link will be updated on the day of the seminar.


Kari Dalnoki-Veress
Department of Physics & Astronomy, McMaster University, Hamilton, ON, Canada
Gulliver Laboratory, ESPCI ParisTech, PSL Research University, Paris, France


Droplet aggregates as model systems for connecting granular systems to continuum mechanics: how few is too few?


In recent years we have developed a method to produce microscopic monodisperse oil droplets in an aqueous environment. With an attractive interaction between the droplets, monodisperse droplets form perfect crystalline aggregates, while a blend of small and large droplets allows us to prepare a disordered glass. By carefully tuning the adhesion forces between the droplets, the aggregates provide model systems for studying various physical phenomena that are not accessible by investigating molecular systems. Here I will provide a brief overview of experiments we have carried out to address two fundamental questions. How does a system transition from crystal to glass, when blending large and small droplets? And secondly, how does a system transition from granular, when there are a few particles, to many particles, where continuum models are valid. These experiments enable us to study the transition from few-to-many, and crystal-to-glass.


Prof. Amy Shen

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