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Utilising computational fluid dynamics (CFD) for the modelling of granular material in large-scale engineering processes. (English) Zbl 1053.76532

Sloot, Peter M. A. (ed.) et al., Computational science - ICCS 2002. 2nd international conference, Amsterdam, the Netherlands, April. 21–24, 2002. Proceedings. Part 1. Berlin: Springer (ISBN 3-540-43591-3). Lect. Notes Comput. Sci. 2329, 743-752 (2002).
Summary: We describe a framework for modelling of granular materials by employing computational fluid dynamics (CFD). This is achieved through the use and implementation of constitutive relations in continuum theory, which are derived in granular dynamics and parametrize particle interactions that occur at the micro-scale level. We present the simulation of a process often met in bulk solids handling industrial plants involving granular matter (i.e. filling of a flat-bottomed bin with a binary material mixture through pneumatic conveying – emptying of the bin in core flow mode – pneumatic conveying of the material coming out of a the bin). The results of the presented simulation demonstrate the capability of the numerical model to represent successfully key granular processes (i.e. segregation/degradation), the prediction of which is of great importance in engineering industry.
For the entire collection see [Zbl 0988.68835].

MSC:

76T25 Granular flows
76M99 Basic methods in fluid mechanics
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