Calculating the process of mixing fine-dispersed particles

Abstract

Abstract Mixing is one of the most common processes in food processing, chemical and other industries. This process is carried out in order to accelerate the flow of reactions, to ensure the uniform distribution of solid or liquid particles in the gas or liquid. When mixing, particles of bulk material move chaotically relative to each other in the working volume of the mixing device under the influence of internal and external forces. Due to the complexity of this process, most often the calculated dependencies are based on generalizing experimental data criteria modeling results that have a limited scope of use. Under conditions of significant uncertainty in the kinetics of the processed product in the work, a mathematical description of the mixing process is carried out using the scientific information approach and the entropy method based on this approach. Using this method, the calculation of the kinetics of the process is justified and analytical dependences are proposed for calculating the mixing efficiency of fine powder. On the basis of a meaningful analysis of the data of a numerical experiment, a check is made for the adequacy of the calculation results to the physical meaning of the phenomenon under study.