In the present work, gas-phase reactions between opposing streams of mixtures of hydrogen (H2) and methane (CH4) in the presence of volumetric energy input were simulated. The goal of the simulations is to estimate the concentrations of precursors responsible for the formation of carbon nanotubes (CNTs). These estimates are expected to help in understanding fundamental mechanisms of CNT formation and in controlling the synthesis process through parameters such as inlet composition and temperature, reactor pressure and absorbed energy. The simulation employs gas-phase kinetics of the GRI-2.11 mechanism with only reactions involving molecules that contain C and H atoms. The results indicate that the concentrations of H radicals, C2H2 and C atoms increase significantly with increases in volumetric energy deposition rate beyond a threshold.
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ASME 2003 Heat Transfer Summer Conference
July 21–23, 2003
Las Vegas, Nevada, USA
Conference Sponsors:
- Heat Transfer Division
ISBN:
0-7918-3695-9
PROCEEDINGS PAPER
Numerical Simulation of Gas Phase Reaction Chemistry in Methane-Hydrogen Mixtures
R. K. Garg,
R. K. Garg
Purdue University, West Lafayette, IN
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J. P. Gore,
J. P. Gore
Purdue University, West Lafayette, IN
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T. S. Fisher
T. S. Fisher
Purdue University, West Lafayette, IN
Search for other works by this author on:
R. K. Garg
Purdue University, West Lafayette, IN
J. P. Gore
Purdue University, West Lafayette, IN
T. S. Fisher
Purdue University, West Lafayette, IN
Paper No:
HT2003-47474, pp. 899-905; 7 pages
Published Online:
December 17, 2008
Citation
Garg, RK, Gore, JP, & Fisher, TS. "Numerical Simulation of Gas Phase Reaction Chemistry in Methane-Hydrogen Mixtures." Proceedings of the ASME 2003 Heat Transfer Summer Conference. Heat Transfer: Volume 3. Las Vegas, Nevada, USA. July 21–23, 2003. pp. 899-905. ASME. https://doi.org/10.1115/HT2003-47474
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