Abstract
Heat and mass transfer processes in gas suspension (from a gas to particles) are considered, and the main factors influencing their intensity are established in the paper. The influence of gas suspension concentration, hydrodynamic and thermal unsteadiness, turbulization of incoming flow, rotation of particles and their shape upon transfer is analysed. The system of calculating transfer processes in gas suspension is substantiated. It has been shown that in gas suspension of fine particles transfer processes occur with very high intensity, sharply increasing with concentration. It has been established that there may take place no transfer deceleration due to squeezed motion in gas suspension of fine particles at Re < 10. The ways of achieving high efficiency of heat exchangers and reactors using gas suspension are shown. The time of heating a gas (particles) in “homogenous” gas suspension may be up to ten thousandth and hundred thousandth fractions of a second.
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