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ISSN: 1093-3611 Print
ISSN: 1940-4360 Online
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DOI: 10.1615/HighTempMatProc.v7.i1
Pages: 135
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DOI: 10.1615/HighTempMatProc.v7.i1.80
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Article price - $35.00 |
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3D MODELLING OF CARBON BLACK FORMATION AND PARTICLE RADIATION DURING METHANE CRACKING BY THERMAL PLASMA
J. Gonzales-Aguilar
Center for Energy and Processes, Ecole des Mines de Paris, Rue Claude Daunesse B.P.. 207, F-06904 Sophia-Antipolis Cedex, France
I. Deme
Ecole des Mines de Paris, B.P. 207, F-06904 Sophia Antipolis Cedex, France
L. Fulcheri
Center for Energy and Processes, Ecole des Mines de Paris, Rue Claude Daunesse B.P.. 207, F-06904 Sophia-Antipolis Cedex, France
T. M. Gruenberger
Ecole des Mines de Paris, B.P. 207, P-06904 Sophia Antipolis, France
F. Fabry
Timcal Belgium S.A., Erachem Comilog S.A ; 534, Av. Louise, B-1050 Brussels, Belgium
Gilles Flamant
Laboratoire Procédés Matériaux et Energie Solaire (CNRS-PROMES), 7 Rue du Four Solaire, Odeillo, 66120 Font-Romeu, France
B. Ravary
SINTEF Materials Technology, Alfred Getz vei 2b, 7465 Trondheim, Norway
ABSTRACT
In this work, a steady three dimensional CFD simulation that describes the strong coupling between the complex phenomena existing in the plasma reactor is presented using the commercial software FLUENT ®. The model includes the turbulence effects (by k-e standard model), an electric arc sub-model to describe the time-average Lorentz forces and ohmic heating generated by the three-phase power-supply, the methane transport in an argon plasma, the soot formation from methane decomposition and the radiation calculation. The radiation model takes into account the modification of the absorption coefficient due to the presence of solid carbon particles.
The main computed fields (velocities, temperature and absorption coefficient) are presented and discussed. The influence of operating conditions as argon and methane flow rates and arc current is shown.
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