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高温材料处理:国际期刊
SJR: 0.137 SNIP: 0.341 CiteScore™: 0.43

ISSN 打印: 1093-3611
ISSN 在线: 1940-4360

高温材料处理:国际期刊

DOI: 10.1615/HighTempMatProc.v7.i1.140
14 pages

CALCULATION OF SILICON PARTICLES DYNAMICS, HEAT AND MASS TRANSFERS IN THERMAL PLASMAS. EFFECT OF PARTICLES VAPORIZATION

Jacques Amouroux
Laboratoire de Genie des Precedes Plasmas Universite P. et M. Curie, ENSCP 11 rue P. et M. Curie 75005 Paris France
Sergey V. Dresvin
Laboratory of Electrotechnological and Plasma Installation of Polytechnic Institute -SPb State Polytechnical University, 29 Polytechnicheskaya Str., 195251 Saint-Petersburg, Russia
Daniel Morvan
Laboratoire de Genie des Precedes Plasmas Universite P. et M. Curie, ENSCP 11 rue P. et M. Curie 75005 Paris France
L. Ouvrelle
LGPPTS, ENSCP, 11 rue P. & M. Curie, 75005 Paris, France
D. Ivanov
St. Petersburg State Polytechnic University, 29 Politekhnicheskaya Str., St. Petersburg, 195251, Russia
S. G. Zverev
St. Petersburg State Polytechnic University, 29 Politekhnicheskaya Str., St. Petersburg, 195251, Russia
O. Feigenson
SPb State Polytechnic University, Polytechnic Str 29, 195251 Saint Petersburg, Russia
A. Balashov
SPb State Polytechnic University, Polytechnic Str 29, 195251 Saint Petersburg, Russia

ABSTRACT

In this paper there were calculated the motion and the heating of a silicon particle in the RF ICP torch which is used in the Laboratoire de Genie des Procedes Plasmas et Traitement de Surfaces (Universite P. et M. Curie, France) for powder treatment and which works at the frequency of 5 MHz, the plasma power being 10 kW.
The model for the particle heating takes into account the following processes: the particle heating, its melting, vaporization (including losses of energy by vaporization and heating of the vapor cloud) and evaporation (boiling). The temperature inside the particle is supposed uniform.
A new way of correction of the vaporization calculation is proposed. In order to evaluate the effect of the particle vaporization on the particle heating, several variants were calculated: without vaporization and with vaporization calculated by different equations.
The way of vaporization calculation was chosen on the basis of comparison between calculations and experimental data.


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