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Pyrolysis of Methyl Nitrite and 1,3,5-Trioxane Mixtures in Shock Waves: Kinetic Modeling of the H + CH<sub>2</sub>O Reaction Rate
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1989
Year
EngineeringExperimental ThermodynamicsChemistryHigh Temperature DataChemical EngineeringKinetics (Physics)ThermodynamicsMethyl NitriteMolecular KineticsShock CompressionMaterials ScienceKinetic ModelingChemical ThermodynamicsPhysical ChemistryHydrogenShock WavesDetonation PhenomenonLaser PhotochemistryAbstract MixturesChemical Kinetics
Abstract Mixtures of methyl nitrite and 1,3,5-trioxane have been pyrolyzed in shock waves at temperatures between 1180 and 1690 K. The rates of CO production measured by CO laser resonance absorption were kinetically modeled to obtain the rate constant for reaction (9): H + CH2O → CHO + H2. The result from modeling 34 sets of data gave rise to k 9 = 10l3.46exp( − 1879/T) cm3/mole-sec over the entire temperature range studied. A nonlinear least-squares analysis of these high temperature data and all published low temperature (T < 1000 K) values led to k 9 = 108.10 T 1.62exp (−1089/T)cm3/mole-sec, covering 260 ≤ T ≤ 1700 K.