Harmonic Excitation of an Unconstrained Saturated Particle Bed

by Harri K. Kytömaa, Massachusetts Inst of Technology, Cambridge, United States,
Charles C. Abnet, Massachusetts Inst of Technology, Cambridge, United States,

Document Type: Proceeding Paper

Part of: Engineering Mechanics


Past research on the flow of concentrated cohensinless mixtures have historically emphasized steady or quasi-steady motions while dynamic effects have received little attention in comparison. In an ongoing effort to improve the current understanding, finite height particle beds have been studied under harmonic excitation from tahe lower supporting boundary. The experiments highlight the prevalence of slip at containing boundaries over internal material deformation of the mixture.

Subject Headings: Excitation (physics) | Particles | Mixtures | Domain boundary | Shear stress | Fluid flow | Fluid dynamics | Shear flow

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