Inflow conditions in stochastic Eulerian-Lagrangian calculations of two-phase turbulent flow

J. C. Yang, K. C. Chang

Research output: Contribution to journalArticlepeer-review

3 Citations (Scopus)

Abstract

The importance of the inlet conditions of the dispersed-phase fluctuating velocity on the analysis associated with the stochastic Lagrangian method, which is commonly used in the simulation of two-phase turbulent flows, is demonstrated through two well-defined problems. One is under the inlet condition of the carrier-phase turbulent kinetic energy kg larger than the dispersed-phase turbulent kinetic energy kp. The other is associated with kg < kp.A solution procedure accounting for the inlet conditions of the fluctuating dispersed-phase velocities in the stochastic Lagrangian calculation is developed. It is also concluded that the unsteady drag coefficient bas to be considered in the model formulation when the condition of the Stokes number larger than O(101) is encountered in the examined two-phase turbulent flowfield.

Original languageEnglish
Pages (from-to)2100-2110
Number of pages11
JournalAIAA journal
Volume39
Issue number11
DOIs
Publication statusPublished - 2001 Nov

All Science Journal Classification (ASJC) codes

  • Aerospace Engineering

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