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Transport Characteristics of Granular Matter on a Forward Acting Grate

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Page 1 Transport Characteristics of Granular Matter

Transport Characteristics of Granular Matter

on a Forward Acting Grate

COST Action MP1305 Flowing Matter

Instituto Para A Investigação Interdisciplinar, Universidade De Lisboa

Avenida Professor Gama Pinto, 2 1649-003 Lisb, Lisbon, Portugal

December 15th, 2014

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Page 2 Transport Characteristics of Granular Matter

Objectives

• Bridging meso- to macro-scale

• Detailed resolution of meso-scale with its results transformed to macro-scale

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Page 3 Transport Characteristics of Granular Matter

XDEM

Extended Discrete Element Method:

• based on the classical Discrete Element Method (DEM) to describe motion of granular materials (discrete phase) • extended by

• thermodynamics for particles

• an interface to Computational Fluid Dynamics (CFD) and Finite Element Analysis (FEA)

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Page 5 Transport Characteristics of Granular Matter

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Page 6 Transport Characteristics of Granular Matter

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Page 7 Transport Characteristics of Granular Matter

0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 -0.2 -0.1 0 0.1 x [m] y [ m ] Temperature [K] 400 600 800 1000 1200 1400 1600 1800 2000

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Page 8 Transport Characteristics of Granular Matter

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Page 9 Transport Characteristics of Granular Matter

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Page 10 Transport Characteristics of Granular Matter

Summary

• Description of particulate phase under thermal and mechanical load

• High resolution of discrete and continuous phases • Significant reduction of empirical correlations

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Page 11 Transport Characteristics of Granular Matter

www.xdem.de

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