Characterizing particulate matter emissions in an aviation kerosene-fueled model combustor at elevated pressures and temperatures
作者： Chi Zhang , Xiaotong Mi , Xin Hui , Longfei Chen , Yuzhen Lin
DOI: 10.1016/J.FUEL.2018.12.024
关键词:
摘要: Abstract The present study investigated the characteristics of particulate matter (PM) emissions in a single-dome, Rich-Quench-Lean, model combustor under different operating conditions typical for aero-engines, with special emphasis on identifying individual effects pressure, temperature, and equivalence ratio PM aero-combustors. Results showed that number-based particle size distribution was shifted from nucleation mode ( 60 nm pressure cases investigated. Regarding influence combustion non-monotonic response geometric mean diameter increasing primary zone average temperature found increased decreased range below above 2270 K respectively. This variation is likely caused by competition between soot growth rate oxidation rate. It postulated trend result more carbonaceous particles formed elevated temperatures providing surface areas available condensation organic compounds, while eventually overtakes at higher leading to observed decreasing trend.
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