The report documents the exhaust emission of light, piston engine aircraft and the phenomena of natural afterburning of the exhaust gases on contact with the ambient air. The approach used in the study was to measure the exhaust emissions of representative aircraft as they were flown in a normal manner. At the same time, the extent of afterburning was measured by sampling the exhaust plume downstream of the exhaust stack and comparing the plume composition, corrected for dilution, to the composition of the stack gases. The exhaust emissions from nine light aircraft were determined using a 9-mode takeoff-cruise-landing (TCL) cycle developed for this study. Exhaust component concentrations and fuel consumption rates were measured for each mode during ten test flights per aircraft. The pollutant concentrations were converted to emission rates per pound of fuel, per minute, per mode, per TCL cycle, and per landing-takeoff (LTO) cycle. (Author)
A Study of Exhaust Emissions from Reciprocating Aircraft Power Plants
1970
87 pages
Report
No indication
English
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