Patterns in hydraulic ripples with binary granular mixtures

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.

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Year of publication:	2002
Authors:	Caps, H ; Vandewalle, N
Published in:	Physica A: Statistical Mechanics and its Applications. - Elsevier, ISSN 0378-4371. - Vol. 313.2002, 3, p. 357-364
Publisher:	Elsevier
Subject:	Patterns formation \| Phase segregation \| Instability

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Type of publication:	Article
Source:	RePEc - Research Papers in Economics

Persistent link: https://www.econbiz.de/10010589348