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Title:Radial segregation patterns in rotating granular mixtures: Waviness selection
Author(s):Hill, Kimberly M.; Gioia, Gustavo; Amaravadi, Deepak R.
Abstract:We model the radial segregation patterns that form in a thin rotating drum partially filled with beads of two sizes. We predict that the waviness (or amplitude-to-wavelength ratio, denoted w) of a pattern should be subjected to low-pass filtering with a cut-off waviness wc that depends strongly on the fill level of the drum. Then we perform experiments and find that w < wc for all patterns, in accord with our prediction. We also find that w = wc for (and only for) steady patterns, and conclude that the waviness of a steady pattern is selected by the low-pass filtering.
Issue Date:2004-12
Publisher:Department of Theoretical and Applied Mechanics (UIUC)
Series/Report:TAM Reports 1057, (2004)
Genre:Technical Report
Type:Text
Language:English
URI:http://hdl.handle.net/2142/314
ISSN:0073-5264
Publication Status:published or submitted for publication
Peer Reviewed:is peer reviewed
Date Available in IDEALS:2007-03-09
Is Version Of:Published as: Kimberly M. Hill, Gustavo Gioia, and Deepak R.Amaravadi. Radial segregation patterns in rotating granular mixtures: Waviness selection. Physical Review Letters, Vol. 93, No. 22, 2004, pp. 224301/1-4. DOI: 10.1103/PhysRevLett.93.224301. Copyright 2004 American Physical Society. http://hdl.handle.net/2142/963.


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  • Technical Reports - Theoretical and Applied Mechanics (TAM)
    TAM technical reports include manuscripts intended for publication, theses judged to have general interest, notes prepared for short courses, symposia compiled from outstanding undergraduate projects, and reports prepared for research-sponsoring agencies.

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