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- Publisher
- Springer Journals
- Copyright
- 2007 Springer-Verlag
- ISSN
- 0567-7718
- eISSN
- 1614-3116
- DOI
- 10.1007/s10409-007-0119-9
- Publisher site
- See Article on Publisher Site
Abstract
Abstract A particle nonlinear two-scale \(k _{p}-\varepsilon _{p}\) turbulence model is proposed for simulating the anisotropic turbulent two-phase flow. The particle kinetic energy equation for two-scale fluctuation, particle energy transfer rate equation for large-scale fluctuation, and particle turbulent kinetic energy dissipation rate equation for small-scale fluctuation are derived and closed. This model is used to simulate gas–particle flows in a sudden-expansion chamber. The simulation is compared with the experiment and with those obtained by using another two kinds of tow-phase turbulence model, such as the single-scale \(k-\varepsilon\) two-phase turbulence model and the particle two-scale second-order moment (USM) two-phase turbulence model. It is shown that the present model gives simulation in much better agreement with the experiment than the single-scale \(k-\varepsilon\) two-phase turbulence model does and is almost as good as the particle two-scale USM turbulence model.
Journal
"Acta Mechanica Sinica" – Springer Journals
Published: Dec 1, 2007