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Application of incomplete similarity theory for estimating maximum shear layer thickness of granular flows in rotating drums

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Application of incomplete similarity theory for estimating maximum shear layer thickness of granular flows in rotating drums

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Title: Application of incomplete similarity theory for estimating maximum shear layer thickness of granular flows in rotating drums
Author: Cheng, Nian-Sheng; Zhou, Qi.; Tan, Soon Keat; Zhao, Kuifeng
Copyright year: 2011
Abstract: Granular flow in a rotating drum provides a convenient system for investigating mixing, segregation and general properties of granular materials. This study is concerned with the maximum thickness of the flowing surface layer observed at the rolling regime. A scaling relation is first derived with the consideration of incomplete similarity associated with the drum-particle size ratio and the Froude number. Calibration is then carried out with published laboratory data, which were collected for the case of rotating drums half-filled with glass beads. The scaling relation is also compared with other kinds of datasets, showing good agreement and possibilities of the proposed approach to be further extended to more complex cases.
Subject: DRNTU::Engineering::Civil engineering::Water resources.
Type: Journal Article
Series/ Journal Title: Chemical engineering science
School: School of Civil and Environmental Engineering
Rights: © 2011 Elsevier. This is the author created version of a work that has been peer reviewed and accepted for publication by Chemical engineering science, Elsevier. It incorporates referee’s comments but changes resulting from the publishing process, such as copyediting, structural formatting, may not be reflected in this document. The published version is available at: [DOI: http://dx.doi.org/10.1016/j.ces.2011.03.050].

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