Formation and transport of a sand heap in an inclined and vertically vibrated container.

Journal Article (Journal Article)

We investigate experimentally the formation and the transportation of a heap formed by granular materials in an inclined and vertically vibrated container. We observe how the transport velocity of heap up the container is related to the driving acceleration, the driving frequency, and the inclination of the container. An empirical law which governs the transport velocity of the heap is presented. An analogous experiment was performed with a heap-shaped Plexiglas block. We propose that the compressive force resulted from pressure gradient in ambient gas plays a crucial role in enhancing and maintaining a heap, and the ratchet effect causes the movement of the heap.

Full Text

Duke Authors

Cited Authors

  • Miao, G; Huang, K; Yun, Y; Zhang, P; Chen, W; Wei, R

Published Date

  • August 15, 2006

Published In

Volume / Issue

  • 74 / 2 Pt 1

Start / End Page

  • 021304 -

PubMed ID

  • 17025416

Electronic International Standard Serial Number (EISSN)

  • 1550-2376

International Standard Serial Number (ISSN)

  • 1539-3755

Digital Object Identifier (DOI)

  • 10.1103/physreve.74.021304

Language

  • eng