Heat, Mass, and Fluid Flow in a Solar Reactor for Fullerene Synthesis

[+] Author and Article Information
T. Guillard, G. Flamant

Institut de Science et de Génie des Matériaux et Procédés, IMP-CNRS, B.P.5, Odeillo, 66125 Font-Romeu Cedex, France

D. Laplaze

Groupe de Dynamique des Phases Condensées (GDPC), Université Montpellier II, c.c. 026, 34095 Montpellier Cedex 05, France

J. Sol. Energy Eng 123(2), 153-159 (Jan 01, 2001) (7 pages) doi:10.1115/1.1352736 History: Received August 01, 2000; Revised January 01, 2001
Copyright © 2001 by ASME
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The experimental set-up
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Physical models of the target zone for the numerical simulation; a) vaporization zone, b) cooling zone
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Results of the numerical simulation: Target Temperature: Ts=3300 K, Pressure: 250 hPa. a) Streamlines; b) Isotherms
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Temperature distribution along the graphite tube; Comparison of measured and simulated data (Ts=3000 K)
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Equilibrium pressure of the carbon species (C1, C2, C3, C4, C5) as a function of temperature
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Vaporization mass flux density as a function of target temperature. Comparison of experimental and simulated data (P=250 hPa).
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Fullerene yield (YF) as a function of dilution number βD: ▪ - Data from Laplaze et al. 10; ▴ - This study
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Influence of the temperature distribution in the cooling zone on the fullerene yield; Relation between the computed temperature profiles and the experimental fullerene yield (P=250 hPa).




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