The micro-fluid mechanics of synthetic swimming

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• Dr Eric Lauga, DAMTP, Cambridge
• Friday 28 February 2014, 14:00-15:00
• Oatley Seminar Room, Department of Engineering.

If you have a question about this talk, please contact Ms Helen Gardner.

A number of microorganisms are able to self-propel in a fluid, including many bacteria, spermatozoa, ciliates, and plankton. Inspired by the biological world, the engineering community been very active in designing and implementing synthetic swimming strategies. In this talk we will start by an introduction to the micro-fluid mechanics of such small-scale swimming. We will then introduce three specific propulsion methods and outline some of the research questions they generate: (1) Swimming by rotating a rigid helix using an external field; (2) Chemical locomotion via self-diffusiophoresis; and (3) Exploiting standing acoustic waves to transport rigid particles. We will finish by presenting a way to take advantage of swimming in order to perform rheological measurements.

This talk is part of the Engineering - Mechanics and Materials Seminar Series series.

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