CFD simulation of air-water in a spouted bed

Jaime A Riera Ortiz, Susana Zeppieri, Luis Rojas-Solorzano, Sylvana Derjani-Bayeh

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

Computational fluid dynamics (CFD) is employed to simulate the air-water system in a spouted column with a draft tube. Numerical results of Reynolds-averaged Navier-Stokes (RANS) equations using the k-ε and k-ω two-equation turbulence models are compared with Pironti at al. (1995) experimental data. CFD predictions of the k-εand k-ω turbulence models are in good agreement with the reported experimental data. The interfacial momentum transfer in modeling air-water system in the spouted bed indicated the importance of using turbulent dispersion force besides the most often used drag and lift forces to better predict flow behavior and air hold-up. Ishii-Zuber liquid-gas drag model with the lift and turbulent dispersion forces yields very good results; it correctly determines a hold up within 1% when used along with the k-εturbulence model, while it under-predicts the hold-up by 4.08% when used with the k-ω model.

Original languageEnglish
Pages (from-to)1471-1476
Number of pages6
JournalChemical Engineering Transactions
Volume24
DOIs
Publication statusPublished - 2011
Externally publishedYes

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Turbulence models
Computational fluid dynamics
Drag
Water
Computer simulation
Air
Momentum transfer
Navier Stokes equations
Gases
Liquids

ASJC Scopus subject areas

  • Chemical Engineering(all)

Cite this

CFD simulation of air-water in a spouted bed. / Ortiz, Jaime A Riera; Zeppieri, Susana; Rojas-Solorzano, Luis; Derjani-Bayeh, Sylvana.

In: Chemical Engineering Transactions, Vol. 24, 2011, p. 1471-1476.

Research output: Contribution to journalArticle

Ortiz, Jaime A Riera ; Zeppieri, Susana ; Rojas-Solorzano, Luis ; Derjani-Bayeh, Sylvana. / CFD simulation of air-water in a spouted bed. In: Chemical Engineering Transactions. 2011 ; Vol. 24. pp. 1471-1476.
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