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M. A. Vasil'eva, S. Feit (2017) Multiphysical model of heterogenous flow moving along а channel of variable cross-section. Journal of Mining Institute. Vol 227. p. 558. DOI: 10.25515/pmi.2017.5.558
Vasil’evaM. A., & FeitS. (2017). Multiphysical model of heterogenous flow moving along а channel of variable cross-section. Journal of Mining Institute, 227, 558. https://doi.org/10.25515/pmi.2017.5.558

Multiphysical model of heterogenous flow moving along а channel of variable cross-section

Authors:
M. A. Vasil'eva1
S. Feit2
  • 1 — Saint-Petersburg Mining University
  • 2 — Technische Hochschule Georg Agricola
Date submitted:
2017-07-07
Date published:
2017-10-25

Abstract

The article deals with the problem aimed at solving the fundamental problems of developing effective methods and tools for designing, controlling and managing the stream of fluid flowing in variable-section pipelines intended for the production of pumping equipment, medical devices and used in such areas of industry as mining, chemical, food production, etc. Execution of simulation modelling of flow motion according to the scheme of twisted paddle static mixer allows to estimate the efficiency of mixing by calculating the trajectory and velocities of the suspended particles going through the mixer, and also to estimate the pressure drop on the hydraulic flow resistance. The model examines the mixing of solids dissolved in a liquid at room temperature. To visualize the process of distributing the mixture particles over the cross-section and analyzing the mixing efficiency, the Poincaréplot module of the COMSOL Multiphysics software environment was used. For the first time, a multi-physical stream of heterogeneous flow model has been developed that describes in detail the physical state of the fluid at all points of the considered section at the initial time, takes into account the design parameters of the channel (orientation, dimensions, material, etc.), specifies the laws of variation of the parameters at the boundaries of the calculated section in conditions of the wave change in the internal section of the working chamber-channel of the inductive peristaltic pumping unit under the influence of the energy of the magnetic field.

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