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Discrete Element Simulation (DEM) for Coupled Description of Material and Energy Flow Within Moving Granular Media

[+] Author Affiliations
Harald Kruggel-Emden, Siegmar Wirtz, Erdem Simsek, Viktor Scherer

Ruhr-Universitaet Bochum, Bochum, Germany

Paper No. PVP2005-71360, pp. 159-164; 6 pages
  • ASME 2005 Pressure Vessels and Piping Conference
  • Volume 4: Fluid Structure Interaction
  • Denver, Colorado, USA, July 17–21, 2005
  • Conference Sponsors: Pressure Vessels and Piping Division
  • ISBN: 0-7918-4189-8 | eISBN: 0-7918-3763-7
  • Copyright © 2005 by ASME


The discrete element method (DEM) can be used for modeling moving granular media in which heat and mass transport takes place. In this paper the concept of discrete element modeling with special emphasize on applicable force laws is introduced and the necessary equations for heat transport within particle assemblies are derived. Possible flow regimes in moving granular media are discussed. The developed discrete element model is applied to a new staged reforming process for biomass and waste utilization which employs a solid heat carrier. Results are presented for the flow regime and heat transport in substantial vessels of the process.

Copyright © 2005 by ASME



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