Temperature profile and gas emissions of jet fuel using a low power flameless combustor
Journal of the Brazilian Society of Mechanical Sciences and Engineering(2021)
摘要
Flameless combustion has significant potential for aeronautical applications since it is a regime with homogeneous temperature distribution, relatively low temperatures, high thermal efficiency, reduced NOx emissions, and reduced thermal stress in the chamber. This work demonstrates the possibility of achieving flameless combustion of Jet A-1 fuel and presents experimental data obtained in a small combustion chamber that uses the energy generated to heat up the combustion air with a thermal input of 4.36 kW. A blurry injector was adopted for efficient fuel atomization (Sauter mean diameter of 28.6 ± 0.28 m) adjacent to the nozzle orifice exit. The evolution of the main process parameters has indicated transition from conventional combustion to flameless regime after 60 min from ignition, with excess combustion air of 70
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关键词
Flameless,Jet fuel,Combustion,Flow blurry,Thermodynamics
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