The motion of an axisymmetric body falling in a tube at moderate Reynolds numbers | Zendy

Nicolas Brosse | Zendy; Patricia Ern | Zendy

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The motion of an axisymmetric body falling in a tube at moderate Reynolds numbers

Author(s) -

Nicolas Brosse,

Patricia Ern

Publication year - 2013

Publication title -

journal of fluid mechanics

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.72

H-Index - 226

eISSN - 1469-7645

pISSN - 0022-1120

DOI - 10.1017/jfm.2012.475

Subject(s) - reynolds number , falling (accident) , physics , mechanics , rotational symmetry , wake , cylinder , amplitude , instability , turbulence , classical mechanics , geometry , mathematics , optics , medicine , environmental health

This study concerns the rectilinear and periodic paths of an axisymmetric solid body (short-length cylinder and disk of diameter d and thickness h) falling in a vertical tube of diameter D. We investigated experimentally the influence of the confinement ratio (S=d/D<0.8) on the motion of the body, for different aspect ratios (χ=d/h=3, 6 and 10), Reynolds numbers (80

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