Recycle effects on heat and mass transfer through a parallel-plate channel

There are two purposes in this work: first, to study theoretically and experimentally the effect of recycle on the heat and mass transfer; second, to see if recycle is an effective means to augment heat and mass transfer. For simplicity, only heat transfer in a parallel conduit at steady state with a homogeneous fluid in laminar flow is considered. The model developed in this work may easily be extended to turbulent flow in different geometries or to systems with a quasi-homogeneous fluid in which the dispersion is sufficiently fine and is uniformly distributed in the continuous phase.