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Chemical kinetic models for combustion of hydrocarbons and formation of nitric oxide

Author
Wilson, C. H.
Published
Dec 1, 1980.
Physical Description
1 electronic document
Additional Creators
Jachimowski, C. J.
Online Version

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Unclassified, Unlimited, Publicly available.
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Summary
The formation of nitrogen oxides NOx during combustion of methane, propane, and a jet fuel, JP-4, was investigated in a jet stirred combustor. The results of the experiments were interpreted using reaction models in which the nitric oxide (NO) forming reactions were coupled to the appropriate hydrocarbon combustion reaction mechanisms. Comparison between the experimental data and the model predictions reveals that the CH + N2 reaction process has a significant effect on NO formation especially in stoichiometric and fuel rich mixtures. Reaction models were assembled that predicted nitric oxide levels that were in reasonable agreement with the jet stirred combustor data and with data obtained from a high pressure (5.9 atm (0.6 MPa)), prevaporized, premixed, flame tube type combustor. The results also suggested that the behavior of hydrocarbon mixtures, like JP-4, may not be significantly different from that of pure hydrocarbons. Application of the propane combustion and nitric oxide formation model to the analysis of NOx emission data reported for various aircraft gas turbines showed the contribution of the various nitric oxide forming processes to the total NOx formed.
Other Subject(s)
Collection
NASA Technical Reports Server (NTRS) Collection.
Note
Document ID: 19810005506.
Accession ID: 81N14017.
L-14106.
NASA-TP-1794.
Terms of Use and Reproduction
No Copyright.
View MARC record | catkey: 15720525