PLT 27 Gas Turbine Engine Exhaust Emission and Noise Measurements
Final rept. 21 May-31 Dec 1973
AVCO LYCOMING DIV STRATFORD CT
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PLT 27 gas turbine engine exhaust gas and noise were measured and analyzed. The results of the exhaust gas emission analysis show that the exhaust gases have a low content of unburned combustion products, i.e., hydrocarbons and carbon monoxide, down to idle power due to the high combustion efficiency of this engine. The combustion efficiency is 99.5 percent at idle and 99.9 percent above 10 percent of maximum-rated power. The smoke numbers of the PLT 27 engine are extremely low. No visible smoke was produced at any power setting with any of the injector systems tested. The PLT 27 engine meets the exhaust gas emission standards set by the EPA for 1979 for fixed-wing aircraft.
- Jet and Gas Turbine Engines