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Physical characterization of the fine particle emissions from commercial aircraft engines during the Aircraft Particle Emissions Experiment (APEX) 1 to 3
Citation:
KINSEY, J. S., Y. DONG, C. WILLIAMS, AND R. LOGAN. Physical characterization of the fine particle emissions from commercial aircraft engines during the Aircraft Particle Emissions Experiment (APEX) 1 to 3. ATMOSPHERIC ENVIRONMENT. Elsevier Science Ltd, New York, NY, 44(17):2147-2156, (2010).
Impact/Purpose:
Journal aritlce
Description:
The f1me particulate matter (PM) emissions from nine commercial aircraft engine models were determined by plume sampling during the three field campaigns of the Aircraft Particle Emissions Experiment (APEX). Ground-based measurements were made primarily at 30 m behind the engine for PM-2.5 (particles ≤ 2.5 um in aerodynamic diameter) mass and number concentration, particle size distribution, and total volatile matter using both time-integrated and continuous sampling techniques. The experimental results showed a PM mass emission index (EI) ranging from 10 to 550 mg kg-1 fuel depending on engine type and test parameters as well as a characteristic U-shaped curve of the mass EI with increasing fuel flow for the turbofan engines tested. The number Els, on the other hand, varied from ~ 10 to the 15 to 10 to the 17 particles kg-1 fuel with the turbofan engines exhibiting a logarithmic decay function with increasing fuel flow. Also, the Teflon filter sampling indicated that ~ 40 to 80 percent of the total PM-2.5 mass on a test-average basis was comprised of volatile matter (sulfur and organics) for most engines sampled. Finally, the particle size distributions of the emissions exhibited a single primary mode that were log normally distributed with a minor accumulation mode was also observed at higher powers for all engines tested. Electrical mobility particle diameters ranged from ~ 3 to 100 nm.
URLs/Downloads:
PHYS CHAR OF THE FINE PART EMIS FR COMMER AIRCRAFT ENG DURING THE AIRCRAFT PART EMIS EXPER (APEX) 1 TO 3
1044, KINSEY, AIRCRAFT, SUPPORTING.PDF (PDF, NA pp, 184 KB, about PDF)
1044, KINSEY, AIRCRAFT MAIN.PDF (PDF, NA pp, 1086 KB, about PDF)