Patterns in hydraulic ripples with binary granular mixtures

H Caps and N Vandewalle

Physica A: Statistical Mechanics and its Applications, 2002, vol. 313, issue 3, 357-364

Abstract: An experimental study of a binary granular mixture submitted to a transient shear flow in a cylindrical container is reported. The formation of ripples with a spiral shape is observed. The appearance of phase segregation in those spiral patterns is shown. The relative grain sizé between sand species is found to be a relevant parameter leading to phase segregation. However, the relative repose angle is an irrelevant parameter.

Keywords: Patterns formation; Phase segregation; Instability (search for similar items in EconPapers)
Date: 2002
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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:313:y:2002:i:3:p:357-364

DOI: 10.1016/S0378-4371(02)00856-7

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