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International Journal of Energetic Materials and Chemical Propulsion

ISSN Print: 2150-766X
ISSN Online: 2150-7678

International Journal of Energetic Materials and Chemical Propulsion

DOI: 10.1615/IntJEnergeticMaterialsChemProp.2015010818
pages 1-24

NUMERICAL INVESTIGATIONS OF CHEMICAL KINETICS FOR METHANE CATALYSIS AND PYROLYSIS

Nicolas Gascoin
PRISME Laboratory, INSA-Centre Val de Loire, 88 boulevard Lahitolle, 18000 Bourges, France
G. Fau
INSA Centre Val de Loire, Université d'Orléans, PRISME EA 4229, Bourges, France

ABSTRACT

In the framework of the active and regenerative cooling of hypersonic and space structures, a kinetic mechanism should be proposed to investigate numerically the fuel pyrolysis and the coke formation with a possible surface effect (catalytic reactions). This chemical mechanism should be suitable for computational fluid dynamics approach (limited number of species and reactions). For this purpose, this work presents some homogeneous and heterogeneous calculations of methane chemistry with metallic catalysts in order to test different kinetic schemes. A parametric study is performed and the behaviors of several reactors are characterized.