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Photochemical aging of aviation emissions: transformation of chemical and physical properties of exhaust emissions from a laboratory-scale jet engine combustion chamber

Hartikainen, Anni and Ihalainen, Mika and Shukla, Deeksha and Rohkamp, Marius and Mukherjee, Arya and He, Quanfu and Piel, Sandra and Virkkula, Aki and Li, Delun and Kokkola, Tuukka and Jeong, Seongho and Koponen, Hanna and Etzien, Uwe and Das, Anusmita and Luoma, Krista and Schwalb, Lukas and Gröger, Thomas and Barth, Alexandre and Sklorz, Martin and Streibel, Thorsten and Czech, Hendryk and Gündling, Benedikt and Kalberer, Markus and Buchholz, Bert and Hupfer, Andreas and Adam, Thomas and Hohaus, Thorsten and Øvrevik, Johan and Zimmermann, Ralf and Sippula, Olli (2025) Photochemical aging of aviation emissions: transformation of chemical and physical properties of exhaust emissions from a laboratory-scale jet engine combustion chamber. Atmospheric Chemistry and Physics (ACP), 25 (16), pp. 9275-9294. Copernicus Publications. doi: 10.5194/acp-25-9275-2025. ISSN 1680-7316.

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Official URL: https://dx.doi.org/10.5194/acp-25-9275-2025

Abstract

Photochemical reactions altered the properties of kerosene-operated jet engine burner exhaust emissions, which were studied in a laboratory using an oxidation flow reactor. Particle mass increased 300-fold as particles and gases became more oxidized. Light absorption increased, but the total direct radiative forcing efficiency was estimated to have shifted from positive to negative. The results highlight the importance of considering secondary aerosol formation when assessing the impacts of aviation.

Item URL in elib:https://elib.dlr.de/223090/
Document Type:Article
Title:Photochemical aging of aviation emissions: transformation of chemical and physical properties of exhaust emissions from a laboratory-scale jet engine combustion chamber
Authors:
AuthorsInstitution or Email of AuthorsAuthor's ORCID iDORCID Put Code
Hartikainen, AnniUNSPECIFIEDhttps://orcid.org/0000-0003-4779-1404UNSPECIFIED
Ihalainen, MikaUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Shukla, DeekshaUNSPECIFIEDhttps://orcid.org/0000-0003-4487-7878UNSPECIFIED
Rohkamp, MariusUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Mukherjee, AryaUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
He, QuanfuUNSPECIFIEDhttps://orcid.org/0000-0002-3229-8206UNSPECIFIED
Piel, SandraUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Virkkula, AkiUNSPECIFIEDhttps://orcid.org/0000-0003-4874-7552UNSPECIFIED
Li, DelunUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Kokkola, TuukkaUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Jeong, SeonghoUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Koponen, HannaUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Etzien, UweUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Das, AnusmitaUNSPECIFIEDhttps://orcid.org/0009-0002-2217-7555UNSPECIFIED
Luoma, KristaUNSPECIFIEDhttps://orcid.org/0000-0001-8841-3050UNSPECIFIED
Schwalb, LukasUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Gröger, Thomasthomas.groeger (at) dlr.dehttps://orcid.org/0000-0001-9882-7388207056734
Barth, AlexandreUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Sklorz, MartinUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Streibel, ThorstenUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Czech, HendrykUNSPECIFIEDhttps://orcid.org/0000-0001-8377-4252UNSPECIFIED
Gündling, BenediktUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Kalberer, MarkusUNSPECIFIEDhttps://orcid.org/0000-0001-8885-6556UNSPECIFIED
Buchholz, BertUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Hupfer, AndreasUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Adam, ThomasUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Hohaus, ThorstenUNSPECIFIEDhttps://orcid.org/0000-0001-5722-6244UNSPECIFIED
Øvrevik, JohanUNSPECIFIEDhttps://orcid.org/0000-0003-4324-1536UNSPECIFIED
Zimmermann, RalfUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Sippula, OlliUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Date:2025
Journal or Publication Title:Atmospheric Chemistry and Physics (ACP)
Refereed publication:Yes
Open Access:Yes
Gold Open Access:Yes
In SCOPUS:Yes
In ISI Web of Science:Yes
Volume:25
DOI:10.5194/acp-25-9275-2025
Page Range:pp. 9275-9294
Publisher:Copernicus Publications
ISSN:1680-7316
Status:Published
Keywords:Aviation fuels, Emission, atmospheric aiging
HGF - Research field:Energy
HGF - Program:Materials and Technologies for the Energy Transition
HGF - Program Themes:Chemical Energy Carriers
DLR - Research area:Energy
DLR - Program:E VS - Combustion Systems
DLR - Research theme (Project):E - Fuels, L - Components and Emissions
Location: Stuttgart
Institutes and Institutions:Institute of Combustion Technology > Chemical Kinetics and Analytics
Deposited By: Gröger, Thomas
Deposited On:01 Mar 2026 13:01
Last Modified:01 Mar 2026 13:01

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