Particulate emissions from the TF-30, JT8D, and JT9D aircraft turbine engines were characterized for mass emission rate, particle size distribution, particle shape, and elemental composition as a function of engine type, fuel type, and power setting. Samples were collected from the exhaust plane of the engines with a sampling system developed under the contract. Two fuels were examined, Jet A and Pearl Kerosene. At idle power the TF-30 emitted 3.13 grams of particulate matter per kg of fuel consumed; the JT80D engine averged 0,79 g/kg; no JT9D engine was obtained. At takeoff power the TF-30 emitted 6,90 g/kg; the JT8D, 0,59 g/kg; and the JT9D, 0,38 g/kg. Geometric mean particle sizes ranged from 0,043 micron to 0,097 micron with particle size related to power level. Pearl Kerosene generally gave lower emissions and smaller particles than Jet A fuel. No elements were detected and it is assumed the particles are essentially carbon. Particle shape was difficult to quantify but the trend is for particle structure to be more complex or agglomerated at the higher power levels. (Jensen)
Turbine engine particulate emission characterization
Kenndaten der Staubemission in den Abgasen von Gasturbinentriebwerken fuer Flugzeuge
US Government Reports ; Jan ; 1-130
1979
130 Seiten
Report
Englisch
GASTURBINE , VERBRENNUNG (OXIDATION) , ABGAS , EMISSION (SCHADSTOFF) , STAUB , KEROSIN , KORNGROESSE , RUSS , AEROSOL , KRAFTSTOFF , FLUGZEUGANTRIEB
Turbine engine particulate emission characterization
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