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Differential mobility spectrometer particle emission analysis for multiple aviation gas turbine engine exhausts at high and low power conditions and a simulated gas turbine engine exhaust

Walters, David Mark, Sevcenco, Yura Alexander, Crayford, Andrew Philip, Marsh, Richard, Bowen, Philip John, Johnson, Mark P. and Williams, Paul I. 2014. Differential mobility spectrometer particle emission analysis for multiple aviation gas turbine engine exhausts at high and low power conditions and a simulated gas turbine engine exhaust. Presented at: ASME Turbo Expo 2014: Turbine Technical Conference and Exposition, Düsseldorf, Germany, 16–20 June 2014. Conference Proceedings of ASME Turbo Expo 2014: Turbine Technical Conference and Exposition. Combustion, Fuels and Emissions New York: ASME, 10.1115/GT2014-26902

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Abstract

This paper presents particulate matter (PM) size spectral measurements, analysed to determine number and mass concentration, taken using a fast response differential mobility spectrometer (DMS500). Exhaust samples from multiple commercially available large civil aviation gas turbine engines and an auxiliary power unit operating at high and low engine power conditions were studied, in addition to a simulated aviation gas turbine exhaust, which was operated to exhibit specific PM output. Results show all exhaust sources as having similar bi-modal PM size spectra with both number and mass concentrations highly dependent on the emission source and the sampling testing condition. When operating at high power levels all of the tested gas turbine emission sources, with the exception of the 2-stage combustor design, generally produced distributions of PM which exhibited larger average mean diameter particle sizes and higher number and mass concentrations.

Item Type: Conference or Workshop Item (Paper)
Date Type: Publication
Status: Published
Schools: Engineering
Subjects: T Technology > TJ Mechanical engineering and machinery
T Technology > TL Motor vehicles. Aeronautics. Astronautics
Additional Information: Title of volume 4B is Combustion, fuels and emissions. Paper No. GT2014-26902, pp. V04BT04A044. (10 pages.)
Publisher: ASME
ISBN: 9780791845691
Last Modified: 21 Aug 2019 02:23
URI: http://orca.cf.ac.uk/id/eprint/65744

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