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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 39, Iss. 3 — Jan. 20, 2000
  • pp: 441–455

Nonintrusive optical measurements of aircraft engine exhaust emissions and comparison with standard intrusive techniques

Klaus Schäfer, Jörg Heland, Dave H. Lister, Chris W. Wilson, Roger J. Howes, Robert S. Falk, Erwin Lindermeir, Manfred Birk, Georg Wagner, Peter Haschberger, Marc Bernard, Olivier Legras, Peter Wiesen, Ralf Kurtenbach, Klaus J. Brockmann, Volker Kriesche, Moira Hilton, Gary Bishop, Roy Clarke, John Workman, Michael Caola, Rachel Geatches, Roger Burrows, John D. Black, Philippe Hervé, and Johanna Vally  »View Author Affiliations


Applied Optics, Vol. 39, Issue 3, pp. 441-455 (2000)
http://dx.doi.org/10.1364/AO.39.000441


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Abstract

Nonintrusive systems for the measurement on test rigs of aeroengine exhaust emissions required for engine certification (CO, NO x , total unburned hydrocarbon, and smoke), together with CO2 and temperature have been developed. These results have been compared with current certified intrusive measurements on an engine test. A spectroscopic database and data-analysis software has been developed to enable Fourier-transform Infrared measurement of concentrations of molecular species. CO2, CO, and NO data showed agreement with intrusive techniques of approximately ±30%. A narrow-band spectroscopic device was used to measure CO2 (with deviations of less than ±10% from the intrusive measurement), whereas laser-induced incandescence was used to measure particles. Future improvements to allow for the commercial use of the nonintrusive systems have been identified and the methods are applicable to any measurement of combustion emissions.

© 2000 Optical Society of America

OCIS Codes
(010.0010) Atmospheric and oceanic optics : Atmospheric and oceanic optics
(280.0280) Remote sensing and sensors : Remote sensing and sensors
(300.0300) Spectroscopy : Spectroscopy

History
Original Manuscript: March 8, 1999
Revised Manuscript: August 9, 1999
Published: January 20, 2000

Citation
Klaus Schäfer, Jörg Heland, Dave H. Lister, Chris W. Wilson, Roger J. Howes, Robert S. Falk, Erwin Lindermeir, Manfred Birk, Georg Wagner, Peter Haschberger, Marc Bernard, Olivier Legras, Peter Wiesen, Ralf Kurtenbach, Klaus J. Brockmann, Volker Kriesche, Moira Hilton, Gary Bishop, Roy Clarke, John Workman, Michael Caola, Rachel Geatches, Roger Burrows, John D. Black, Philippe Hervé, and Johanna Vally, "Nonintrusive optical measurements of aircraft engine exhaust emissions and comparison with standard intrusive techniques," Appl. Opt. 39, 441-455 (2000)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-39-3-441

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