Drift-Flux Model

  • Mamoru Ishii
  • Takashi Hibiki


The basic concept of the drift-flux model is to consider the mixture as a whole, rather than two phases separately. It is clear that the drift-flux model formulation will be simpler than the two-fluid model, however it requires some drastic constitutive assumptions causing some of the important characteristics of two-phase flow to be lost. However, it is exactly this simplicity of the drift-flux model that makes it very useful in many engineering applications.


Constitutive Equation Drift Velocity Void Fraction Bubbly Flow Eckert Number 
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Copyright information

© Springer Science+Business Media, LLC 2011

Authors and Affiliations

  1. 1.School of Nuclear EngineeringPurdue UniversityWest LafayetteUSA

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