Granular dynamics of a slurry in a rotating drum

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題名:	Granular dynamics of a slurry in a rotating drum
作者:	Liao,CC;Hsiau,SS;To,KW
貢獻者:	機械工程學系
關鍵詞:	SEGREGATION
日期:	2010
上傳時間:	2012-03-27 17:03:16 (UTC+8)
出版者:	國立中央大學
摘要:	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.
關聯:	PHYSICAL REVIEW E
顯示於類別:	[機械工程學系] 期刊論文

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