Measurements of aircraft emissions indices at airports passive remote sensing

Klaus Schaefer; Carsten Jahn; Peter J. Sturm; Bernhard Lechner; Michael Bacher

doi:10.1117/12.463071

18 April 2003 Measurements of aircraft emissions indices at airports passive remote sensing

Klaus Schaefer, Carsten Jahn, Peter J. Sturm, Bernhard Lechner, Michael Bacher

Proceedings Volume 4882, Remote Sensing of Clouds and the Atmosphere VII; (2003) https://doi.org/10.1117/12.463071
Event: International Symposium on Remote Sensing, 2002, Crete, Greece

Abstract

The emission indices of aircraft engine exhausts to calculate precisely the emissions inventories of airports are not available up to now from measurements taken under operating conditions. To determine these data no installations nearby or behind the aircraft are possible at airports. That's why measurements by FTIR emission spectrometry were performed by the IMK-IFU with a spectrometer installed in a van and with total measurement time at one thrust level of about 1 minute to determine CO, NO and CO₂. The FTIR instrument telescope was aligned to the engine nozzle exit of standing aircraft. A DOAS and a FTIR spectrometer with globar were used for simultaneous open-path measurements of NO, NO₂, CO, CO₂ and speciated hydrocarbons behind the aircraft by the TUG-VKMB. Measurement results at the airports Frankfurt/Main, London-Heathrow and Vienna are presented. The methods are evaluated by comparing CO emission indices from passive measurements with open-path data. The measured emission indices of CO show slightly higher values than the International Civil Aviation Organisation data sheets but less values for NO_x emissions. A fruitful co-operation with the airlines AUA, BA and DLH as well as the airport authorities in Vienna and London-Heathrow supported this work which is financed from EC.

Citation Download Citation

Klaus Schaefer, Carsten Jahn, Peter J. Sturm, Bernhard Lechner, and Michael Bacher "Measurements of aircraft emissions indices at airports passive remote sensing", Proc. SPIE 4882, Remote Sensing of Clouds and the Atmosphere VII, (18 April 2003); https://doi.org/10.1117/12.463071

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