On the implications of nitromethane – NO chemistry interactions for combustion processes
نویسندگان
چکیده
In this work, we report a detailed investigation of the CH3NO2 chemistry effect on fuel-NO interactions for fuels methane and n-heptane using recently developed extensively validated H2/O2/CO/NOx/NH3/CH3NO2 baseline chemistry. general, model predictions show good agreement with temperature profiles major intermediate species in jet-stirred reactor experiments they capture subtle NO addition. For both fuels, kinetics retard system reactivity low range by delaying production key radicals like OH HO2. This explains retarding ignition overprediction enhancement earlier studies combustion. methane, explored roaming mediated dissociation channel to CH3O + is reaction pathway consumption. Our analysis suggests that at higher pressure, relevant engine conditions, two HONO feature strongly increased concentrations during combustion may be detectable under such conditions fuel-NOx system. The results work call future investigations context exhaust gas recirculation, also regard suppression knock.
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ژورنال
عنوان ژورنال: Fuel
سال: 2021
ISSN: ['0016-2361', '1873-7153']
DOI: https://doi.org/10.1016/j.fuel.2020.119861