Hydrodynamic modeling of dense gas-fluidised beds using the kinetic theory of granular flow: effect of coefficient of restitution on bed dynamics

M.J.V. Goldschmidt, J.A.M. Kuipers, Willibrordus Petrus Maria van Swaaij

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A two-dimensional multi-fluid Eulerian CFD model with closure laws according to the kinetic theory of granular flow has been applied to study the influence of the coefficient of restitution on the hydrodynamics of dense gas-fluidised beds. It is demonstrated that hydrodynamics of dense gas-fluidised beds (i.e. gas bubbles behaviour) strongly depend on the amount of energy dissipated in particle-particle encounters. It is concluded that, in order to obtain realistic bed dynamics from fundamental hydrodynamic models, it is of prime importance to correctly take the effect of energy dissipation due to nonideal particle-particle encounters into account.
Original languageUndefined
Title of host publicationISCRE-16
Place of PublicationCracow, Poland
Publication statusPublished - 10 Sept 2000
Event16th International Symposium on Chemical Reaction Engineering, ISCRE 2000 - Krakow, Poland
Duration: 10 Sept 200013 Sept 2000
Conference number: 16


Conference16th International Symposium on Chemical Reaction Engineering, ISCRE 2000
Abbreviated titleISCRE


  • IR-13241
  • METIS-107422

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