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Forces on a slowly rotating, rough cylinder in a Couette device containing a dry, frictional powder (1998)

Tardos, Gabriel I. ; Khan, M. Irfan

[S.l.] : American Institute of Physics (AIP)

Physics of Fluids 10 (1998), S. 335-341

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ISSN: 1089-7666

Source: AIP Digital Archive

Topics: Physics

Notes: In the present work, a fine, dry powder was sheared in a Couette device: i.e., sheared between concentric vertical cylinders. The torque generated on the rough, inner cylinder was measured as this inner wall was rotated. Our experiments provided evidence that, in a column of granular material undergoing continuous shearing, normal and shear stresses increase linearly with depth. In other words, Janssen's analysis ceases to apply if granular material is continuously sheared. © 1998 American Institute of Physics.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1063/1.869525

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