Abstract
This article is devoted to the simulation of cold gas purge and flow taking into account the plasma arc in the channels of a single-phase two-channel high-voltage plasma torch with cylindrical electrodes. The results obtained in the process of modeling made it possible to simplify the model for further modeling, which will result in the distribution of velocities, temperatures and voltage drop on the arc depending on the time.
Highlights
The characteristics of low-temperature plasma generators depend on the interactions of plasma-forming working gas jets with electric arcs and on the organization of plasma-forming working gases
The properties of electric arcs burning in cylindrical channels of plasma torches have not yet been fully studied, a large amount of research work has been done to date [6-22]
The solution of all these problems is impossible without the formulation of experimental studies aimed at a detailed study of physical and chemical processes and the identification of the role of gas-dynamic and kinetic aspects in order to build physical and mathematical models that adequately describe the observed and investigated phenomena. This requires a compelling justification and a reasonable application of experimental methods of structure study reacting flows, providing reliable information about the development of the process flow of the gas flow in the cylindrical channels of the investigated plasma torches with individual gaseous-vortex stabilization of the electric arc. At this stage of research, two models were performed in which the flow of a cold plasma-forming gas fed tangentially to the axial stabilization of the arc column in the plasma torch channel was taken into account and taking into account its interaction with the heated region of the cylindrical plasma torch channel
Summary
The characteristics of low-temperature plasma generators depend on the interactions of plasma-forming working gas jets with electric arcs and on the organization of plasma-forming working gases. The solution of all these problems is impossible without the formulation of experimental studies aimed at a detailed study of physical and chemical processes and the identification of the role of gas-dynamic and kinetic aspects in order to build physical and mathematical models that adequately describe the observed and investigated phenomena. This requires a compelling justification and a reasonable application of experimental methods of structure study reacting flows, providing reliable information about the development of the process flow of the gas flow in the cylindrical channels of the investigated plasma torches with individual gaseous-vortex stabilization of the electric arc. At this stage of research, two models were performed in which the flow of a cold plasma-forming gas (argon) fed tangentially to the axial stabilization of the arc column in the plasma torch channel was taken into account and taking into account its interaction with the heated region of the cylindrical plasma torch channel
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