More and more attentions have been paid to better understanding of the mechanisms of
multiphase flow and interphase mass transfer on the mesoscale (particle scale), namely about solid particles,
bubbles and drops. The behavior of particle swarms and effects of surfactant are subsequently studied to
approximate real industrial processes. Besides, the sub-particle scale Marangoni effect, induced by
interphase mass transfer, is also studied for seeking measures of mass transfer enhancement. The
computational fluid dynamics and computational transport principles are being developed into reliable and
efficient tools for improving the macroscopic performances of unit operations and process equipments.
Keywords: Particle (drop, bubble or solid particle), multiphase flow, mass transfer, numerical simulation,
Marangoni effect, particle swarm.
