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Thermophysics and Aeromechanics

2019 year, number 1

Simulation of production of hollow silica particles in a plasma flow. Part 1. Dynamics of motion and heating of porous particles

V.A. Arkhipov1, S.S. Bondarchuk2,3, V.V. Shekhovtsov4, O.G. Volokitin4, A.S. Anshakov5, V.I. Kuzmin6
1Tomsk State University, Tomsk, Russia
2Institute for Problems of Chemical and Energetic Technologies SB RAS, Biysk, Russia
3Tomsk State Pedagogic University, Tomsk, Russia
4Tomsk State University of Architecture and Building, Tomsk, Russia
5Kutateladze Institute of Thermophysics SB RAS, Novosibirsk, Russia
6Khristianovich Institute of Theoretical and Applied Mechanics SB RAS, Novosibirsk, Russia
Keywords: электроплазменная установка, низкотемпературная плазма, пористые частицы, кремнезем, полые микросферы, скорость частиц, нагрев, плавление и испарение частиц, математическое моделирование, electric plasma setup, low temperature plasma, porous particles, silica, hollow microspheres, particle velocity, particle heating, melting and evaporation, simulation


The paper presents simulation results for the dynamics of motion, heating, and melting of porous silica particles by electro-plasma technology during production of hollow silica microspheres. With the use of available analytical and numerical solutions of equations of motion and energy for particle flow, we analyze the laws of evolution of particle parameters in the plasma flow for the case of particle diameter varying in the range D = (250-350) mm and for porosity in the range П = (0-0.6).