A Plume Capture Technique for the Remote Characterization of Aircraft Engine Emissions

Johnson, Graham R., Mazaheri, Mandana, Ristovski, Zoran, & Morawska, Lidia (2008) A Plume Capture Technique for the Remote Characterization of Aircraft Engine Emissions. Environmental Science and Technology, 42(13), pp. 4850-4856.

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A technique for capturing and analyzing plumes from unmodified aircraft or other combustion sources under real world conditions is described and applied to the task of characterizing plumes from commercial aircraft during the taxiing phase of the Landing/Take-Off (LTO) cycle. The method utilizes a Plume Capture and Analysis System (PCAS) mounted in a four-wheel drive vehicle which is positioned in the airfield 60 to 180 meters downwind of aircraft operations. The approach offers low test turnaround times with the ability to complete careful measurements of particle and gaseous emission factors and sequentially scanned particle size distributions without distortion due to plume concentration fluctuations. These measurements can be performed for individual aircraft movements at five minute intervals. A Plume Capture Device (PCD) collected samples of the naturally diluted plume in a 200 L conductive membrane conforming to a defined shape. Samples from over 60 aircraft movements were collected and analyzed in-situ for particulate and gaseous concentrations and for particle size distribution using a Scanning Particle Mobility Sizer (SMPS). Emission factors are derived for particle number, NOx and PM2.5 for a widely used commercial aircraft type; Boeing 737 airframes with predominantly CFM56 class engines, during taxiing.

The practical advantages of the PCAS, include the capacity to perform well targeted and controlled emission factor and size distribution measurements using instrumentation with varying response times within an airport facility, in close proximity to aircraft during their normal operations.

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23 citations in Scopus
21 citations in Web of Science®
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ID Code: 15403
Item Type: Journal Article
Refereed: Yes
Additional Information: This article is freely available from the American Chemical Society website 12 months after the publication date. See links to publisher website in this record.
Keywords: aircraft emissions, combustion sources, Plume Capture and Analysis System (PCAS), particle size distributions
DOI: 10.1021/es702581m
ISSN: 0013-936X
Subjects: Australian and New Zealand Standard Research Classification > EARTH SCIENCES (040000) > ATMOSPHERIC SCIENCES (040100) > Atmospheric Sciences not elsewhere classified (040199)
Divisions: Past > QUT Faculties & Divisions > Faculty of Science and Technology
Current > Institutes > Institute of Health and Biomedical Innovation
Copyright Owner: Copyright 2008 American Chemical Society
Deposited On: 31 Oct 2008 00:00
Last Modified: 29 Feb 2012 13:50

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