Measurements of aircraft emissions indices at airports passive remote sensing

Details Measurements of aircraft emissions indices at airports passive remote sensing Measurements of aircraft emissions indices at airports passive remote sensing

Apr 2003

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2003spie.4882..375s&link_type=abstract

Remote Sensing of Clouds and the Atmosphere VII. Edited by Schaefer, Klaus P.; Lado-Bordowsky, Olga; Comeron, Adolfo; Picard, Ri

Computer Science

Scientific paper

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 NOx 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.

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