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
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
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)
Page 5 Transport Characteristics of Granular Matter
Page 6 Transport Characteristics of Granular Matter
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
Page 8 Transport Characteristics of Granular Matter
Page 9 Transport Characteristics of Granular Matter
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
Page 11 Transport Characteristics of Granular Matter