Mathematical modeling of phase separation in three-phase melt formed behind the combustion wave

摘要

A mathematical model of the exothermic chemical interaction of a high-calorie solid powder mixture in the presence of centrifugal forces is considered.The process of mathematical modeling is studied for the 3NiO +(2 + α)Al → Al2O3 +(3-α)Ni + αNiAl thermite composition, as an example.Such models are used to describe the process of high-temperature synthesis for the production of target products in the combustion wave propagating through the initial mixture.This technological process represents a combination of high-temperature combustion with the transformation of the solid porous mixture to liquid products, their separation, and subsequent cooling.A distinctive feature of the proposed model is the use of a”through”description, which makes it possible to examine the mutual influence of the individual stages on the dynamics of the process.This feature provides a more realistic description of the actual process.