3 years ago

Relation between boundary slip mechanisms and water-like fluid behavior.

Evy Salcedo, Marcia C. Barbosa, Patricia Ternes

The slip of a fluid layer in contact with a solid confining surface is investigated for different temperatures and densities using molecular dynamic simulations. We show that for an anomalous water-like fluid the slip goes as follows. For low levels of shear, the defect slip appears and it is related with the particle exchange between the fluid layers. At high levels of shear, the global slip occurs and it is related to the homogeneous distribution of the fluid in the confining surfaces. The oscillations in the transition velocity from the defect to the global slip is shown to be associated with changes in the layering distribution in the anomalous fluid.

Publisher URL: http://arxiv.org/abs/1801.03568

DOI: arXiv:1801.03568v1

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