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Research lectures, seminars and events

The events listed in this area are research seminars, workshops and lectures hosted by Durham University departments and research institutes. If you are not a member of the University, but  wish to enquire about attending one of the events please contact the organiser or host department.


May 2018
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Events for 4 May 2018

Rodrigo Ledesma-Aguilar: Down the slippery slope: drops on lubricant-impregnated rough surfaces

2:00pm, CM301

In this talk we will present recent experimental, numerical and theoretical results for the statics and dynamics of liquid droplets on bio-inspired Lubricant-Impregnated Rough Surfaces (LIRS). LIRS are composite surfaces equipped with a thin lubricant layer that eliminates contact-line friction, making them ultra-smooth. Hence, they offer a sand pit for investigating capillary phenomena in situations which would be otherwise masked by static friction or "pinning" effects.

We shall discuss three main situations of wide fundamental and practical interest: directed droplet motion and positioning—where a structure in the underlying lubricant layer selects the position of a droplet; quasi-static droplet actuation—where the symmetry of a capillary surface can be exploited to achieve high-efficiency translational motion; and "snap" droplet evaporation—where a designed surface topography guides the droplet through a series of conformational changes during a liquid-gas phase change.

Contact for more information about this event.