A stochastic model for large eddy simulation of a particle-laden turbulent flow

  • Christian Gobert
  • Katrin Motzet
  • Michael Manhart
Conference paper
Part of the ERCOFTAC Series book series (ERCO, volume 11)


This paper focuses on the prediction of particle distributions in a flow field computed by large eddy simulation (LES). In an LES, small eddies are not resolved. This gives rise to the question in which cases these eddies need to be reconstructed (modeled) for tracing particles. Therefore the influence of eddies on the particles in dependence on eddy and particle time-scales is discussed. For the case where modeling is necessary, a stochastic model is presented. The model proposed is a model in physical space and not in velocity space, i.e. not the velocities of the unresolved eddies but the effects of these eddies on particle positions are reconstructed. The model is evaluated by an a priori analysis of particle dispersion in turbulent channel flow.


Large Eddy Simulation Particle Position Stokes Number Cell Width Wall Unit 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.


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Copyright information

© Springer 2007

Authors and Affiliations

  • Christian Gobert
    • 1
  • Katrin Motzet
    • 1
  • Michael Manhart
    • 1
  1. 1.Fachgebiet HydromechanikTechnische Universität MünchenMünchenGermany

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