Abstract
AbstractBubble dispersion characteristics play an important role in heat and mass transfer of bubble‐liquid two‐phase turbulent flows in bubble‐column reactors. In order to quantitatively describe the influence of operation conditions and sparger design on two‐phase turbulent hydrodynamics in terms of a computational fluid dynamics approach, a second‐order moment bubble‐liquid two‐phase turbulent model was developed to predict the effects of superficial gas velocity, liquid and gas density, liquid dynamic viscosity, and sparger nozzle configuration on bubble‐liquid hydrodynamics, e.g., bubble volume fraction, turbulent kinetic energy, and turbulent kinetic energy dissipation. Bubble dispersion behavior was found to be a complex function of industrial operations and sparger configuration parameters.
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