The influence of the Henry number on the conjugate mass transfer from a sphere: II-mass transfer accompanied by a first-order chemical reaction

摘要

Conjugate mass transfer between a sphere and a surrounding fluid flow in the presence of an isothermal, first-order irreversible chemical reaction occurring either in the continuous or in the dispersed phase has been analysed. Tow sphere models, the sphere with rigid in- terface and the sphere with mobile interface and internal circulation, have been studied. Creeping flow is assumed. The mass balance equations were solved numerically. The Influence of the Henry number(H) and diffusivity ratio (φ_D)(0.01 ≤H(φ_D)≤100) is studied at intermediate Pe numbers (Pe = 100) and low, intermediate and fast chemical reaction.