Abstract

An agitated two-phase flow is studied numerically and experimentally in a mixing vessel agitated with two six-blade Rushton turbines. In Computational Fluid Dynamics (CFD), the full Eulerian multiphase approach coupled with the standard turbulence model is performed to deal with two-phase flow. The impeller rotation was modelled by the Multiple Reference Frame (MRF) approach. The simulation was used to investigate the flow field, power and mixing time in single and two-phase cases. The results of the calculations have been verified with the data that was measured by particle image velocimetry (PIV) and planar laser-induced fluorescence (PLIF) technique. The predicted results show good agreement with the experimental data. The computational model presented in this study could be useful for explaining the two-phase flow patterns on the mixing process and extending the applications of multiphase stirred reactors.

Recommended Citation

Zadghaffari, Ramin; Moghaddas, Jafarsadegh; and Revstedt, Johan (2009) "Study of Flow Field, Power and Mixing Time in a Two-Phase Stirred Vessel with Dual Rushton Impellers: Experimental Observation and CFD Simulation," Chemical Product and Process Modeling: Vol. 4 : Iss. 1, Article 3.
DOI: 10.2202/1934-2659.1284
Available at: http://www.bepress.com/cppm/vol4/iss1/3