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A Novel Numerical Method for Turbulent, Two-Phase Flow

  • A. Pecenko
  • J. G. M. Kuerten
Conference paper
Part of the Notes on Numerical Fluid Mechanics and Multidisciplinary Design book series (NNFM, volume 110)

Abstract

A novel approach to the simulation of isothermal, turbulent two-phase (liquid/vapour) flow is presented. The two-phase nature of the flow is modeled by means of a diffuse-interface concept and of the Korteweg tensor of capillary forces at the interface, so that a single system of compressible Navier-Stokes equations can be written for the whole flow domain. A Van der Waals equation of state is also included to account for the variation of pressure with density at the given value of temperature. After explanation of a stable numerical method, results of a classic benchmark problem are shown. Next, subgrid terms related to the nonlinear pressure and capillary terms are studied by means of an a priori analysis based on DNS results, and a subgrid model for these terms is proposed.

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References

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Copyright information

© Springer-Verlag Berlin Heidelberg 2010

Authors and Affiliations

  • A. Pecenko
    • 1
  • J. G. M. Kuerten
    • 1
  1. 1.Dept. of Mechanical EngineeringEindhoven University of TechnologyEindhovenThe Netherlands

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