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Proceedings Paper

Remote sensing of aircraft exhaust temperature and composition by passive Fourier Transform Infrared (FTIR)
Author(s): Edgar Flores-Jardines; Klaus Schäfer; John Black; Roland Harig; Carsten Jahn
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Paper Abstract

The scanning infrared gas imaging system (SIGIS-HR) and the quantitative gas analysis software MAPS (Multicomponent Air Pollution Software) are applied to investigate the spatial distribution of the temperature and gas concentrations (CO, NO) within the plume of aircraft engines at airports. The system integrates an infrared camera also. It is used for the localisation of the hot source that additionally suggests the best measurement position of the SIGIS-HR. The application of emission FTIR spectrometry for the measurement of temperature and gas emission index of CO and NO is presented for the exhaust of a small turbojet based on a helicopter turbine. In these measurements the emitted infrared radiation from the exhaust gas stream was collected by the SIGIS-HR at different spectral resolution (56 cm-1 and 0.2 cm-1). The software MAPS includes the Instrumental Line Shape (ILS) of the OPAG- 22 FTIR spectrometer obtained by active gas cell measurements and ILS modelling. The rough concept of the system will be presented and operational applications will be discussed. The results of the investigation of the temperature and gas concentrations (CO, NO) within the aircraft engine plumes will be shown. The limitations and of the systems will be discussed.

Paper Details

Date Published: 30 October 2007
PDF: 12 pages
Proc. SPIE 6745, Remote Sensing of Clouds and the Atmosphere XII, 67451Q (30 October 2007); doi: 10.1117/12.738837
Show Author Affiliations
Edgar Flores-Jardines, Forschungszentrum Karlsruhe (Germany)
Klaus Schäfer, Forschungszentrum Karlsruhe (Germany)
John Black, Rolls Royce plc (United Kingdom)
Roland Harig, Technische Univ. Hamburg-Harburg (Germany)
Carsten Jahn, Forschungszentrum Karlsruhe (Germany)

Published in SPIE Proceedings Vol. 6745:
Remote Sensing of Clouds and the Atmosphere XII
Adolfo Comerón; Richard H. Picard; Klaus Schäfer; James R. Slusser; Aldo Amodeo, Editor(s)

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