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Abstract
Numerical predictions of two-phase turbulent multidimensional flows and associated heat and mass transfer are presented for central and off-centered jetting in gas-stirred liquid reactors. The Navier-Stokes equations are solved for the liquid phase together with the simplified conservation equations for the gaseous phase. Turbulence is simulated by the k-∊ model. Energy and concentration equations are also solved to investigate the thermal homogenization and mixing characteristics. Computed flow patterns, isotherms, and concentration dynamics are presented for the air-water model. The results show good agreement with experimental observations. Full-scale computations for an argon-stirred steel ladle are also presented and the suitability of the scaling criteria is discussed.
