Interfacial Area Transport Equation in Statistical-Eulerian-Eulerian Simulations of Multiphase Flow

  • Daniel T. Banuti
  • Klaus Hannemann
Part of the Notes on Numerical Fluid Mechanics and Multidisciplinary Design book series (NNFM, volume 112)


This paper discusses the ongoing extension of the DLR TAU Code with a multiphase flow model. The reasoning behind choosing a Statistical Eulerian Eulerian (SEE) model with Interfacial Area Transport Equation (IATE) is covered. Properties of the model are introduced, especially concerning the less known IATE concept which provides information about interphasic interfacial area (IA) available in a computational cell. This allows for a more elaborate sub grid scale modeling. An general IA convection velocity is derived which holds for the limiting cases of stratified flow and disperse flow. As an exemplary application, the development of a spray injection IATE is discussed. This includes interfacial growth due to velocity gradients and a new IA detection term which resolves ambiguities with boundary conditions.


Shear Layer Reynolds Average Navier Stokes Interfacial Area Reynolds Average Navier Stokes Convection Velocity 
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Copyright information

© Springer-Verlag Berlin Heidelberg 2010

Authors and Affiliations

  • Daniel T. Banuti
    • 1
  • Klaus Hannemann
    • 1
  1. 1.German Aerospace Center DLRInstitute of Aerodynamics and Flow TechnologyGöttingenGermany

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