The Heat Transfer of Streams of Finely Divided Media in Channels Separated by a Permeable Partition

A mathematical model is suggested of convective heat transfer between streams of finely divided media under conditions of flow in the channels of a valve-type pulsating-flow heat exchanger, which are separated by a permeable partition. The heat and mass transfer occurs by way of multiple transverse exchanges of continuous phases between streams when developing sign-variable pressure differences between these streams. The interphase heat transfer in dispersed flows is taken into account, assuming that the particles are isothermal and their temperature is defined by external heat transfer on the particle surface.