Dynamic behavior of an intruder in a granular Couette flow

Document Type

Conference Proceeding

Publication Date

9-9-2003

Abstract

This paper reports on three-dimensional, steady discrete element simulations of a single large spherical intruder in a gravity-free granular Couette flow of uniform particles with diameter d. The non-equilibrium nature of the flow is characterized by the depth profile of granular temperature, which decreases inwards toward the center. An intruder of size φ = D/d migrates away from the walls at a rate that increases with φ and wall velocity U. Computations indicated that the intruder's motion is induced by the high pressure near the wall.

Identifier

0042318537 (Scopus)

Publication Title

Materials Research Society Symposium Proceedings

ISSN

02729172

First Page

103

Last Page

108

Volume

759

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