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    Please use this identifier to cite or link to this item: http://ir.lib.ncu.edu.tw/handle/987654321/50092

    Title: Granular dynamics of a slurry in a rotating drum
    Authors: Liao,CC;Hsiau,SS;To,KW
    Contributors: 機械工程學系
    Keywords: SEGREGATION
    Date: 2010
    Issue Date: 2012-03-27 17:03:16 (UTC+8)
    Publisher: 國立中央大學
    Abstract: We study the effects of interstitial fluid viscosity on the rates of dynamical processes in a thin rotating drum half-filled with monodisperse glass beads. The rotating speed is fixed at the rolling regime such that a continuously flowing layer of beads persists at the free surface. While the characteristic speed of a bead in the flowing layer decreases with the fluid viscosity mu, the mixing rate of the beads is found to increase with mu. These findings are consistent to a simple model related to the thickness of the flowing layer. In addition, our results indicate a possible transition from the inertial limit regime to the viscous limit regime (reported previously by S. Courrech du Pont et al. [Phys. Rev. Lett. 90, 044301 (2003)]) when the Stokes number is reduced.
    Appears in Collections:[機械工程學系] 期刊論文

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