Investigations on the main engines exhaust of two Boeing 767-3ZR

Bernhard Lechner; Michael Bacher; Johannes Rodler; Peter J. Sturm

doi:10.1117/12.507716

16 February 2004 Investigations on the main engines exhaust of two Boeing 767-3ZR

Bernhard Lechner, Michael Bacher, Johannes Rodler, Peter J. Sturm

Proceedings Volume 5235, Remote Sensing of Clouds and the Atmosphere VIII; (2004) https://doi.org/10.1117/12.507716
Event: Remote Sensing, 2003, Barcelona, Spain

Abstract

The main engines exhaust of two Boeing 767-3ZR(ER) powered by Pratt & Whitney 4060 has been intensively studied using spectroscopic methods like Fourier Transform Infrared Spectroscopy (FTIR) and Differential Optical Absorption Spectroscopy (DOAS). All cockpit data was provided by the operating airline while the thrust level was varied between idle (25% N1) and 70 % N1 where N1 is the maximum number of revolutions of the fan. The investigated gaseous species were carbon dioxide, carbon monoxide, nitrogen oxides (NO and NO₂) and some hydrocarbons (C₂H₄, C₂H₂, HCOH and unburned kerosene). A comparison to the database of the International Civil Aviation Organization (ICAO) showed much higher emissions of CO and NOx-emissions in the same range. Although these two aircraft were of the same age and maintained by the same operator the emissions differed by a factor of two. Formaldehyde proved to be the most abundant hydrocarbon besides ethane and ethane.

Citation Download Citation

Bernhard Lechner, Michael Bacher, Johannes Rodler, and Peter J. Sturm "Investigations on the main engines exhaust of two Boeing 767-3ZR", Proc. SPIE 5235, Remote Sensing of Clouds and the Atmosphere VIII, (16 February 2004); https://doi.org/10.1117/12.507716

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