首页|POLLUTION REDUCTION TECHNOLOGY PROGRAM TURBOPROP ENGINES - PHASE I
POLLUTION REDUCTION TECHNOLOGY PROGRAM TURBOPROP ENGINES - PHASE I
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NETL
Exhaust pollutant emissions were measured from a 501-D22A turboprop engine combustor and three low emission combustor types;reverse flow, prechamber and staged fuel, operating over a fuel-air ratio range of .0096 to .020. EPAPLTO cycle data were obtained for a total of nineteen configurations. Hydrocarbon emissions were reduced from 15.0 to .3 lb/1000 Hp-Hr/cycle. CO from 31. 5 to 4. 6 lb/1000 Hp-Hr/cycle with an increase in NOx of 17 percent, which is still 25% below the program goal. The smoke number was reduced from 59 to 17. Emissions given here are for the reverse flow Mod. IV combustor which is the best candidate for further development into eventual use with the 501-D22A turboprop engine. Even lower emissions were obtained with the advanced technology combustors reported herein.
NETL
