Articles | Volume 24, issue 20
https://doi.org/10.5194/acp-24-11807-2024
https://doi.org/10.5194/acp-24-11807-2024
Measurement report
 | 
23 Oct 2024
Measurement report |  | 23 Oct 2024

Measurement report: In-flight and ground-based measurements of nitrogen oxide emissions from latest-generation jet engines and 100 % sustainable aviation fuel

Theresa Harlass, Rebecca Dischl, Stefan Kaufmann, Raphael Märkl, Daniel Sauer, Monika Scheibe, Paul Stock, Tiziana Bräuer, Andreas Dörnbrack, Anke Roiger, Hans Schlager, Ulrich Schumann, Magdalena Pühl, Tobias Schripp, Tobias Grein, Linda Bondorf, Charles Renard, Maxime Gauthier, Mark Johnson, Darren Luff, Paul Madden, Peter Swann, Denise Ahrens, Reetu Sallinen, and Christiane Voigt

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Cited articles

Airbus: An A350 fuelled by 100 % SAF just took off, 18 March 2021, https://www.airbus.com/en/newsroom/stories/2021-03-an-a350-fuelled-by-100-saf-just-took-off (last access: 25 August 2023), 2021a. 
Airbus: First in-flight 100 % sustainable-fuels emissions study of passenger jet shows early promise, Toulouse, 29 November 2021, https://www.airbus.com/en/newsroom/press-releases/2021-11-first-in-flight-100 (last access: 15 May 2023), 2021b. 
Alabaş, H. A. and Çeper, B., A.: Effect of the hydrogen/kerosene blend on the combustion characteristics and pollutant emissions in a mini jet engine under CDC conditions, Int. J. Hydro. Energy, 52 B, 1275–1287, ISSN 0360-3199, https://doi.org/10.1016/j.ijhydene.2023.05.146, 2024. 
Bollinger, M. J., Sievers, R. E., Fahey, D. W., and Fehsenfeld, F. C.: Conversion of nitrogen dioxide, nitric acid, and n-propyl nitrate to nitric oxide by a gold-catalyzed reduction with carbon monoxide, Anal. Chem., 55, 1980–1986, https://doi.org/10.1021/ac00262a034, 1983. 
Bradshaw, J., Davis, D., Grodzinsky, G., Smyth, S., Newell, R., Sandholm, S., and Liu, S.: Observed distributions of nitrogen oxides in the remote free troposphere from the Nasa Global Tropospheric Experiment Programs, Rev. Geophys., 38, 61–116, https://doi.org/10.1029/1999RG900015, 2000. 
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Emissions from aircraft have a direct impact on our climate. Here, we present airborne and ground-based measurement data of nitrogen oxides that were collected in the exhaust of an Airbus aircraft. We study the impact of burning fossil and sustainable aviation fuel on nitrogen oxide emissions at different engine settings related to combustor temperature, pressure and fuel flow. Further, we compare observations with engine emission models.
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