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Berlin 2015 – wissenschaftliches Programm

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DY: Fachverband Dynamik und Statistische Physik

DY 62: Poster - Dynamics

DY 62.14: Poster

Donnerstag, 19. März 2015, 16:00–18:00, Poster A

Clustering and melting of a driven wet granular monolayerPhilipp Ramming, Ingo Rehberg, and •Kai Huang — Experimentalphysik V, Universität Bayreuth, D-95440 Bayreuth, Germany

Due to the cohesion arising from the capillary interactions, partially wet granular matter exhibits dramatically different mechanical properties in comparison to its dry counterpart. Focusing on agitated wet spherical particles in a quasi-two-dimensional configuration, we investigate experimentally how the cohesion influences the collective behavior of wet granular matter and discuss possible links to the mobility of individual particles. As the agitation strength increases, a clustering into a wet granular crystal followed by a gradual melting arises. We characterize both transitions with the bond orientational order parameters and the mean kinetic energy of the particles through particle tracking. Moreover, the influence from the liquid content and the filling fraction will also be presented.

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