Harlass, Theresa und Dischl, Rebecca Katharina und Kaufmann, Stefan und Märkl, Raphael Satoru und Sauer, Daniel und Scheibe, Monika und Stock, Paul und Bräuer, Tiziana und Dörnbrack, Andreas und Roiger, Anke-Elisabeth und Schlager, Hans und Schumann, Ulrich und Pühl, Magdalena und Schripp, Tobias und Grein, Tobias und Bondorf, Linda und Renard, Charles und Gauthier, Maxime und Johnson, Mark und Luff, Darren und Madden, Paul und Swann, Peter und Ahrens, Denise und Sallinen, Reetu und Voigt, Christiane (2024) Measurement report: In-flight and ground-based measurements of nitrogen oxide emissions from latest-generation jet engines and 100 percent sustainable aviation fuel. Atmospheric Chemistry and Physics (ACP), Seiten 11807-11822. Copernicus Publications. doi: 10.5194/acp-24-11807-2024. ISSN 1680-7316.
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Offizielle URL: https://acp.copernicus.org/articles/24/11807/2024/
Kurzfassung
. Nitrogen oxides, emitted from air traffic, are of concern due to their impact on climate by changing atmospheric ozone and methane levels. Using the DLR research aircraft Falcon, total reactive nitrogen (NOy) in-flight measurements were carried out at high altitudes to characterize emissions in the fresh aircraft exhaust from the latest-generation Rolls-Royce Trent XWB-84 engine aboard the long-range Airbus A350-941 aircraft during the ECLIF3 (Emission and CLimate Impact of alternative Fuels 3) experiment. The impact of different engine thrust settings, monitored in terms of combustor inlet temperature, pressure and engine fuel flow, was tested for two different fuel types: Jet A-1 and, for the first time, a 100 % sustainable aviation fuel (SAF) under similar atmospheric conditions. In addition, a range of combustor temperatures and an additional blended SAF were tested during ground-based emission easurements. For the data measured during ECLIF3, we confirm that the NOx emission index increases with increasing combustion temperature, pressure and fuel flow. We find that as expected, the fuel type has no measurable effect on the NOx emission index. These measurements are used to compare to cruise NOx emission index estimates from three engine emission prediction methods. Our measurements thus help to understand the ground to cruise correlation of current engine emission prediction methods while serving as input for climate modelling and extending the extremely sparse data set on in-flight aircraft nitrogen oxide emissions to newer engine generations.
elib-URL des Eintrags: | https://elib.dlr.de/207746/ | ||||||||||||||||||||||||||||||||||||||||||||||||||||
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Dokumentart: | Zeitschriftenbeitrag | ||||||||||||||||||||||||||||||||||||||||||||||||||||
Titel: | Measurement report: In-flight and ground-based measurements of nitrogen oxide emissions from latest-generation jet engines and 100 percent sustainable aviation fuel | ||||||||||||||||||||||||||||||||||||||||||||||||||||
Autoren: |
*DLR corresponding author | ||||||||||||||||||||||||||||||||||||||||||||||||||||
Datum: | 23 Oktober 2024 | ||||||||||||||||||||||||||||||||||||||||||||||||||||
Erschienen in: | Atmospheric Chemistry and Physics (ACP) | ||||||||||||||||||||||||||||||||||||||||||||||||||||
Open Access: | Ja | ||||||||||||||||||||||||||||||||||||||||||||||||||||
In SCOPUS: | Ja | ||||||||||||||||||||||||||||||||||||||||||||||||||||
In ISI Web of Science: | Ja | ||||||||||||||||||||||||||||||||||||||||||||||||||||
DOI: | 10.5194/acp-24-11807-2024 | ||||||||||||||||||||||||||||||||||||||||||||||||||||
Seitenbereich: | Seiten 11807-11822 | ||||||||||||||||||||||||||||||||||||||||||||||||||||
Verlag: | Copernicus Publications | ||||||||||||||||||||||||||||||||||||||||||||||||||||
ISSN: | 1680-7316 | ||||||||||||||||||||||||||||||||||||||||||||||||||||
Stichwörter: | Nitrogen oxides, in situ measurements, Sustainable Aviation Fuel, aviation, climate, aircraft emissions | ||||||||||||||||||||||||||||||||||||||||||||||||||||
DLR - Schwerpunkt: | Luftfahrt | ||||||||||||||||||||||||||||||||||||||||||||||||||||
DLR - Forschungsgebiet: | L AI - Luftverkehr und Auswirkungen | ||||||||||||||||||||||||||||||||||||||||||||||||||||
Standort: | Oberpfaffenhofen , Stuttgart | ||||||||||||||||||||||||||||||||||||||||||||||||||||
Institute & Einrichtungen: | Institut für Physik der Atmosphäre Institut für Physik der Atmosphäre > Atmosphärische Spurenstoffe Institut für Physik der Atmosphäre > Angewandte Meteorologie Institut für Physik der Atmosphäre > Wolkenphysik Institut für Verbrennungstechnik > Chemische Kinetik und Analytik |
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