Universal and non-universal aspects of wet granular matter under vertical vibrations
The phase diagram of vertically vibrated wet granular matter is investigated by both experiments and molecular dynamics type simulations, with a focus on the coexistence regime of the fluid and gas phases. Phase diagrams measured at various parameters including the rupture energy of liquid bridges, are presented. While for elastic grains, the transition from the fluid to the fluid-gas coexistence phase is found to be determined only by the rupture energy of liquid bridges [Fingerle et al. New J. Phys. 10, 053020 (2008)], inelasticity is found to introduce non-universal features into the phase diagram, which are also affected by the grain size. © 2009 EDP Sciences and Springer.
Huang, K; Röller, K; Herminghaus, S
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