Modeling centrifugal, multiphase, turbulent flows with a mixture-averaged drift-flux algorithm

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Abstract

A two-dimensional, axisymmetric, mixture-averaged multiphase flow model, developed to predict solid phase stratification arising from flow acceleration, has been generalized for three dimensions. The model is exercised, with results compared to a multiphase model having separate conservation equations for the gas phase and the solid phase, and momentum exchange between phases handled by source terms. Both models are exercised with a constant particle-gas drag coefficient, characteristic of turbulent flow, and a variable, Reynolds-based coefficient. Modeling results are compared against video data acquired at the Applied Research Laboratory at Penn State University. Qualitative comparisons data show comparable results using both models.

Original languageEnglish (US)
Pages (from-to)647-660
Number of pages14
JournalNumerical Heat Transfer, Part B: Fundamentals
Volume74
Issue number4
DOIs
StatePublished - Oct 3 2018

All Science Journal Classification (ASJC) codes

  • Numerical Analysis
  • Modeling and Simulation
  • Condensed Matter Physics
  • Mechanics of Materials
  • Computer Science Applications

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