Flows of granular material in two-dimensional channels

Bain, Oliver and Billingham, John and Houston, Paul and Lowndes, Ian (2015) Flows of granular material in two-dimensional channels. Journal of Engineering Mathematics . ISSN 0022-0833

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Secondary cone-type crushing machines are an important part of the aggregate production process. These devices process roughly crushed material into aggregate of greater consistency and homogeneity. We apply a continuum model for granular materials (`A Constitutive Law For Dense Granular Flows', Nature 441, p727-730, 2006) to flows of granular material in representative two-dimensional channels, applying a cyclic applied crushing stress in lieu of a moving boundary. Using finite element methods we solve a sequence of quasi-steady fluid problems within the framework of a pressure dependent particle size problem in time. Upon approximating output quantity and particle size we adjust the frequency and strength of the crushing stroke to assess their impact on the output.

Item Type: Article
RIS ID: https://nottingham-repository.worktribe.com/output/755831
Keywords: granular materials, continuum approximation, finite elements
Schools/Departments: University of Nottingham, UK > Faculty of Engineering > Department of Chemical and Environmental Engineering
University of Nottingham, UK > Faculty of Science > School of Mathematical Sciences
Identification Number: https://doi.org/10.1007/s10665-015-9810-1
Depositing User: Houston, Paul
Date Deposited: 26 Aug 2015 10:38
Last Modified: 04 May 2020 17:12
URI: http://eprints.nottingham.ac.uk/id/eprint/29673

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