Transport processes in narrow channels with application to rotary exchangers

Abstract

Rotary solid storage elements, combining heat and mass transfer, are used for dehumidizing air, solvents recovery or separation. The performance of the rotor mainly depends on its single channels parameters and the type of flow material combinations employed as sorbents and carrying structures. The local heat transfer along the ducts was investigated by holographic interferometry. Fundamental tests were conducted to determine the loading behaviour of different rotary heat and mass exchanger samples. In further experiments the loading progression of different samples after an increase of humidity were determined. Finally a method of the numerical simulation of the combined heat and mass transfer in rotary exchangers is described briefly.