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High Temperature Material Processes: An International Quarterly of High-Technology Plasma Processes
ESCI SJR: 0.176 SNIP: 0.48 CiteScore™: 1.3

ISSN Печать: 1093-3611
ISSN Онлайн: 1940-4360

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High Temperature Material Processes: An International Quarterly of High-Technology Plasma Processes

DOI: 10.1615/HighTempMatProc.v9.i1.40
pages 37-43

DISTRIBUTION OF MASS FRACTIONS IN THE FREE JET OF HOT GAS MIXTURE

J. Gregor
Faculty of Electrical Engineering and Communication, Brno University of Technology, Purkynova 118, 61200 Brno, Czech Republic
I. Jakubova
Faculty of Electrical Engineering and Communication, Brno University of Technology, Purkynova 118, 61200 Brno, Czech Republic
J. Senk
Faculty of Electrical Engineering and Communication, Brno University of Technology, Purkynova 118, 61200 Brno, Czech Republic
Milan Hrabovsky
Institute of Plasma Physics, Academy of Sciences Za Slovankou 3, 182 00, Prague

Краткое описание

The paper deals with the determination of radial distribution of mass fractions of individual species of hot gas mixture flowing out of plasma torch into air of atmospheric pressure. The designed computing method is based on the continuity equation and diffusion is taken into account. The method was tested using real measured data. The approximation of measured radial dependencies of temperature and velocity by Gaussian functions makes it possible to transform the two-dimensional problem into the one-dimensional. As a result, radial distributions of molar fractions of various species and an estimation of the coefficient of turbulence are obtained.


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