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Ripening of ordered breath figures
1Max-Planck-Institut fur Kolloid- und Grenzflachenforschung, Forschungscampus Golm, 14476 Golm, Germany.
Abstract:
We have investigated the ripening of breath figures with variable initial order. A dramatic impact of the degree of order on the coalescence behavior is observed. As opposed to the two-droplet coalescence events common to the usual disordered droplet arrays, four-droplet coalescence cascades predominate in a perfectly hexagonal breath figure. Upon introduction of disorder, a gradual transition to a regime dominated by three-droplet cascades is observed. The statistics of coalescence cascades allows for detailed conclusions on the microscopic droplet dynamics.
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