Abstract
To control the process of nanopowders generating in order to ensure the required characteristics, it is necessary to solve the general physical problem of vaporization and condensation of steam in a gas-phase synthesis plant. A model of the physical problem should describe besides the formation of condensed particles, the hydrodynamic features of the flow, as well as heat exchange processes with other objects inside the working chamber. The questions of interaction of particles within an ultradispersed system through coagulation were considered. A mathematical model that describes the process of coagulation of a monodisperse system inside the evaporation-condensation chamber was formulated. A variant of the optimization of a coagulation numerical model in an ultradispersed system by reducing the number of sections corresponding to particle fractions of the mass scale was proposed. The use of an reduced scale made it possible to optimize the information received, and also gave advantages in the speed of calculations, which made it possible to reduce the time spent in problems with coagulation of systems.
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