The motion and the forces on a cylinder and a sphere in rotating shear flow

ORAL

Abstract

The motion and rotation rate of a heavy cylinder and sphere inside a rotating drum were investigated. The drum, filled with distilled water, was rotating around its horizontal axis with varying rotation rates. The cylinder was observed to either co- or counter-rotate with respect to the rotating drum. The motion of the cylinder depends not only on the radius of the cylinder, but also on its length. The flow around the cylinder was measured with particle image velocimetry (PIV). Results on spheres with different radii will also be presented.

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Authors

  • Yoshiyuki Tagawa

    The University of Twente, University of Twente, The Netherlands, Physics of Fluids Group, University of Twente

  • Chao Sun

    The University of Twente, University of Twente, Physics of Fluids group, University of Twente, University of Twente, The Netherlands, Physics of Fluids Group, University of Twente

  • Tom Mullin

    Manchester Centre for Nonlinear Dynamics

  • Leen van Wijngaarden

    The University of Twente

  • Detlef Lohse

    The University of Twente, University of Twente, Physics of Fluids group, University of Twente, Physics of Fluids, Twente University, The Netherlands, University of Twente, The Netherlands, Physics of Fluids, University of Twente, Physics of Fluids Group, University of Twente