Wed February 17th 2016
16:30 – 17:00
ZH286
Seminar Interactions between drops and hot plates
Michiel van Limbeek

Details:

For more than 200 years, the heat transfer from a hot plate to a drop is of interest to research and industry. Yet, we still do not fully understand the origin of the observation that, when increasing the plate temperature, after a decreasing drop life-time, a sudden increase can be observed. In this situation, a drop is insulated from the plate by its own evaporation, as a vapour film is generated underneath the drop. This vapour layer hinders the heat transfer, hence increasing the drop life-time.
In this seminar I hope to give you an overview of most of the processes going on in these phenomena. Starting from very long timescales, I first addres the static Leidenfrost problem, which is the limit of zero impact velocity. For the impacting case, I'll discuss various processes, having their own time scales, which you can probe independently.
Finally, I'll conclude with some overview and outlook where the next year will be focused on.
Go back to the agenda.

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