Dr.-Ing. Fabian Hagen
- Scientific staff
- Group: Combustion Technology
- Room: 007
CS 40.14 - Phone: +49 721 608-42806
- fabian hagen ∂does-not-exist.kit edu
- Engler-Bunte-Ring 7
76131 Karlsruhe
Scientific focus
Research topics
- Aerosol and particle technology
- Soot formation and oxidation
- Intrusive and non-intrusive (optical) particle diagnostics
- Laser-induced incandescence (LII) including related and advanced methods
- Ex situ characterization of particulate systems
- Carbon-free chemical energy carriers
Research projects
- Particle reactivity
- Exhaust gas composition at low temperatures
- Emissions Soot Model
- Condensate formation in exhaust systems at low temperatures
- Clean Circles - Iron as energy carrier in a carbon neutral circular energy economy
- Iron-H2(O) - Loop reactor for hydrogen production and storage by reacting iron with water
Publications
2025
On nanoparticles in iron dust flames of Bunsen-type: Evolution of size distribution and hetero-coagulation with micron-sized particles
Hagen, F. P.; Müller, J. H.; Störmer, H.; Stelzner, B.; Eggeler, Y. M.; Trimis, D.
2025. Fuel, 398, Art.:135598. doi:10.1016/j.fuel.2025.135598
Hagen, F. P.; Müller, J. H.; Störmer, H.; Stelzner, B.; Eggeler, Y. M.; Trimis, D.
2025. Fuel, 398, Art.:135598. doi:10.1016/j.fuel.2025.135598
2024
Experimental and numerical investigation on soot formation and evolution of particle size distribution in laminar counterflow ethylene flames
Kalbhor, A.; Schmitz, R.; Ramirez, A.; Vlavakis, P.; Hagen, F. P.; Ferraro, F.; Braun-Unkhoff, M.; Kathrotia, T.; Riedel, U.; Trimis, D.; van Oijen, J.; Hasse, C.; Mira, D.
2024. Combustion and Flame, 260, Art.-Nr.: 113220. doi:10.1016/j.combustflame.2023.113220
Kalbhor, A.; Schmitz, R.; Ramirez, A.; Vlavakis, P.; Hagen, F. P.; Ferraro, F.; Braun-Unkhoff, M.; Kathrotia, T.; Riedel, U.; Trimis, D.; van Oijen, J.; Hasse, C.; Mira, D.
2024. Combustion and Flame, 260, Art.-Nr.: 113220. doi:10.1016/j.combustflame.2023.113220
Zur Struktur von Kohlenstoffnanopartikeln. PhD dissertation
Hagen, F. P.
2024, January 9. Karlsruher Institut für Technologie (KIT). doi:10.5445/IR/1000166087
Hagen, F. P.
2024, January 9. Karlsruher Institut für Technologie (KIT). doi:10.5445/IR/1000166087
2023
From molecular to sub-μm scale: The interplay of precursor concentrations, primary particle size, and carbon nanostructure during soot formation in counter-flow diffusion flames
Hagen, F. P.; Vlavakis, P.; Bockhorn, H.; Suntz, R.; Trimis, D.
2023. Combustion and Flame, 258, 112729. doi:10.1016/j.combustflame.2023.112729
Hagen, F. P.; Vlavakis, P.; Bockhorn, H.; Suntz, R.; Trimis, D.
2023. Combustion and Flame, 258, 112729. doi:10.1016/j.combustflame.2023.112729
Relevance of C/O ratios in the gas-phase synthesis of freestanding few-layer graphene
Fortugno, P.; López-Cámara, C.-F.; Hagen, F.; Wiggers, H.; Schulz, C.
2023. Applications in Energy and Combustion Science, 15, Atkl.Nr.: 100180. doi:10.1016/j.jaecs.2023.100180
Fortugno, P.; López-Cámara, C.-F.; Hagen, F.; Wiggers, H.; Schulz, C.
2023. Applications in Energy and Combustion Science, 15, Atkl.Nr.: 100180. doi:10.1016/j.jaecs.2023.100180
On-line monitoring of carbon nanostructure and soot reactivity in engine exhaust by dual-pulse laser-induced incandescence
Hagen, F. P.; Kretzler, D.; Koch, S.; Bockhorn, H.; Suntz, R.; Trimis, D.; Kubach, H.; Velji, A.; Koch, T.
2023. Combustion and Flame, 254, Art.-Nr.: 112850. doi:10.1016/j.combustflame.2023.112850
Hagen, F. P.; Kretzler, D.; Koch, S.; Bockhorn, H.; Suntz, R.; Trimis, D.; Kubach, H.; Velji, A.; Koch, T.
2023. Combustion and Flame, 254, Art.-Nr.: 112850. doi:10.1016/j.combustflame.2023.112850
Linking carbon nanostructure, optical properties, volume fraction, and size distribution of carbon nanoparticles formed in premixed flames
Bauer, M.; Hagen, F.; Kretzler, D.; Schulz, S.; Stelzner, B.; Bockhorn, H.; Suntz, R.; Trimis, D.
2023. 31. Deutscher Flammentag (2023), Berlin, Germany, September 27–28, 2023
Bauer, M.; Hagen, F.; Kretzler, D.; Schulz, S.; Stelzner, B.; Bockhorn, H.; Suntz, R.; Trimis, D.
2023. 31. Deutscher Flammentag (2023), Berlin, Germany, September 27–28, 2023
Soot nanoparticle sizing in counterflow flames using in-situ particle sampling and differential mobility analysis verified with two-colour time-resolved laser-induced incandescence
Hagen, F. P.; Vlavakis, P.; Seitz, M.; Klövekorn, T.; Bockhorn, H.; Suntz, R.; Trimis, D.
2023. Proceedings of the Combustion Institute, 39 (1), 1119–1128. doi:10.1016/j.proci.2022.07.253
Hagen, F. P.; Vlavakis, P.; Seitz, M.; Klövekorn, T.; Bockhorn, H.; Suntz, R.; Trimis, D.
2023. Proceedings of the Combustion Institute, 39 (1), 1119–1128. doi:10.1016/j.proci.2022.07.253
2022
Influence of Global Operating Parameters on the Reactivity of Soot Particles from Direct Injection Gasoline Engines
Koch, S.; Hagen, F. P.; Büttner, L.; Hartmann, J.; Velji, A.; Kubach, H.; Koch, T.; Bockhorn, H.; Trimis, D.; Suntz, R.
2022. Emission Control Science and Technology, 8 (1-2), 9–35. doi:10.1007/s40825-022-00211-y
Koch, S.; Hagen, F. P.; Büttner, L.; Hartmann, J.; Velji, A.; Kubach, H.; Koch, T.; Bockhorn, H.; Trimis, D.; Suntz, R.
2022. Emission Control Science and Technology, 8 (1-2), 9–35. doi:10.1007/s40825-022-00211-y
Dual-pulse laser-induced incandescence to quantify carbon nanostructure and related soot particle properties in transient flows – Concept and exploratory study
Hagen, F. P.; Suntz, R.; Bockhorn, H.; Trimis, D.
2022. Combustion and flame, 243, Art.Nr. 112020. doi:10.1016/j.combustflame.2022.112020
Hagen, F. P.; Suntz, R.; Bockhorn, H.; Trimis, D.
2022. Combustion and flame, 243, Art.Nr. 112020. doi:10.1016/j.combustflame.2022.112020
2021
Carbon nanostructure and reactivity of soot particles from non-intrusive methods based on UV-VIS spectroscopy and time-resolved laser-induced incandescence
Hagen, F. P.; Kretzler, D.; Häber, T.; Bockhorn, H.; Suntz, R.; Trimis, D.
2021. Carbon, 182, 634–654. doi:10.1016/j.carbon.2021.06.006
Hagen, F. P.; Kretzler, D.; Häber, T.; Bockhorn, H.; Suntz, R.; Trimis, D.
2021. Carbon, 182, 634–654. doi:10.1016/j.carbon.2021.06.006
Influence of Low Ambient Temperatures on the Exhaust Gas and Deposit Composition of Gasoline Engines
Appel, D.; Hagen, F. P.; Wagner, U.; Koch, T.; Bockhorn, H.; Trimis, D.
2021. Journal of energy resources technology, 143 (8), Art.-Nr.: 082306. doi:10.1115/1.4050492
Appel, D.; Hagen, F. P.; Wagner, U.; Koch, T.; Bockhorn, H.; Trimis, D.
2021. Journal of energy resources technology, 143 (8), Art.-Nr.: 082306. doi:10.1115/1.4050492
Why Soot is not Alike Soot: A Molecular/Nanostructural Approach to Low Temperature Soot Oxidation
Hagen, F.; Hardock, F.; Koch, S.; Sebbar, N.; Bockhorn, H.; Loukou, A.; Kubach, H.; Suntz, R.; Trimis, D.; Koch, T.
2021. Flow, turbulence and combustion, 106 (2), 295–329. doi:10.1007/s10494-020-00205-2
Hagen, F.; Hardock, F.; Koch, S.; Sebbar, N.; Bockhorn, H.; Loukou, A.; Kubach, H.; Suntz, R.; Trimis, D.; Koch, T.
2021. Flow, turbulence and combustion, 106 (2), 295–329. doi:10.1007/s10494-020-00205-2
Nanostructural and morphological characteristics of single soot aggregates during low-temperature oxidation
Hagen, F. P.; Bockhorn, H.; Störmer, H.; Loukou, A.; Suntz, R.; Trimis, D.
2021. Proceedings of the Combustion Institute, 38 (1), 1153–1161. doi:10.1016/j.proci.2020.06.338
Hagen, F. P.; Bockhorn, H.; Störmer, H.; Loukou, A.; Suntz, R.; Trimis, D.
2021. Proceedings of the Combustion Institute, 38 (1), 1153–1161. doi:10.1016/j.proci.2020.06.338
2020
Influence of Low Ambient Temperatures on the Exhaust Gas and Deposit Composition of Gasoline Engines
Appel, D.; Hagen, F. P.; Wagner, U.; Koch, T.; Bockhorn, H.; Trimis, D.
2020. ASME 2020 Internal Combustion Engine Division Fall Technical Conference, November 4–6, 2020, The American Society of Mechanical Engineers (ASME). doi:10.1115/ICEF2020-2932
Appel, D.; Hagen, F. P.; Wagner, U.; Koch, T.; Bockhorn, H.; Trimis, D.
2020. ASME 2020 Internal Combustion Engine Division Fall Technical Conference, November 4–6, 2020, The American Society of Mechanical Engineers (ASME). doi:10.1115/ICEF2020-2932
Spark discharge-generated soot: Varying nanostructure and reactivity against oxidation with molecular oxygen by synthesis conditions
Hagen, F. P.; Rinkenburger, A.; Günther, J.; Bockhorn, H.; Niessner, R.; Suntz, R.; Loukou, A.; Trimis, D.; Haisch, C.
2020. Journal of aerosol science, 143, Art.-Nr.: 105530. doi:10.1016/j.jaerosci.2020.105530
Hagen, F. P.; Rinkenburger, A.; Günther, J.; Bockhorn, H.; Niessner, R.; Suntz, R.; Loukou, A.; Trimis, D.; Haisch, C.
2020. Journal of aerosol science, 143, Art.-Nr.: 105530. doi:10.1016/j.jaerosci.2020.105530
Impact of the Injection Strategy on Soot Reactivity and Particle Properties of a GDI Engine
Koch, S.; Kubach, H.; Velji, A.; Koch, T.; Hagen, F. P.; Bockhorn, H.; Loukou, A.; Trimis, D.; Suntz, R.
2020. WCX SAE World Congress Experience, Detroit, April 21-23, 2020. doi:10.4271/2020-01-0392
Koch, S.; Kubach, H.; Velji, A.; Koch, T.; Hagen, F. P.; Bockhorn, H.; Loukou, A.; Trimis, D.; Suntz, R.
2020. WCX SAE World Congress Experience, Detroit, April 21-23, 2020. doi:10.4271/2020-01-0392
2019
Reactivity of Particles from Gasoline Direct Injection Engine: Correlation of Engine Parameters and Particle Characteristics
Koch, S.; Hagen, F. P.; Kubach, H.; Velji, A.; Koch, T.; Bockhorn, H.; Loukou, A.; Trimis, D.
2019, June 18. 23rd ETH Conference on Combustion Generated Nanoparticles (2019), Zurich, Switzerland, June 17–20, 2019
Koch, S.; Hagen, F. P.; Kubach, H.; Velji, A.; Koch, T.; Bockhorn, H.; Loukou, A.; Trimis, D.
2019, June 18. 23rd ETH Conference on Combustion Generated Nanoparticles (2019), Zurich, Switzerland, June 17–20, 2019
Soot particle nanostructure from HRTEM images and reactivity towards oxidation [in press]
Hagen, F.; Hardock, F.; Bockhorn, H.; Loukou, A.; Suntz, R.; Trimis, D.
2019. Proceedings of the European Combustion Meeting – 2019, April 14-17, Lisboa, Portugal, p. S1_R1_90
Hagen, F.; Hardock, F.; Bockhorn, H.; Loukou, A.; Suntz, R.; Trimis, D.
2019. Proceedings of the European Combustion Meeting – 2019, April 14-17, Lisboa, Portugal, p. S1_R1_90
HRTEM-Bildauswertungsalgorithmus zur Quantifizierung der geometrischen und Nano-Struktur von Rußpartikeln
Hagen, F.; Hardock, F.; Bockhorn, H.; Loukou, A.; Suntz, R.; Trimis, D.
2019. Jahrestreffen der ProcessNet-Fachgruppen "Partikelmesstechnik und Aerosoltechnologie" (2019), Frankfurt am Main, Germany, March 6–7, 2019
Hagen, F.; Hardock, F.; Bockhorn, H.; Loukou, A.; Suntz, R.; Trimis, D.
2019. Jahrestreffen der ProcessNet-Fachgruppen "Partikelmesstechnik und Aerosoltechnologie" (2019), Frankfurt am Main, Germany, March 6–7, 2019
Soot Particles: Nanostructure from HRTEM Images, Optical Properties and Reactivity [in press]
Hagen, F.; Hardock, F.; Bockhorn, H.; Loukou, A.; Suntz, R.; Trimis, D.
2019. 11th Mediterranean Combustion Symposium, Tenerife, Spain, 16-20 June 2019
Hagen, F.; Hardock, F.; Bockhorn, H.; Loukou, A.; Suntz, R.; Trimis, D.
2019. 11th Mediterranean Combustion Symposium, Tenerife, Spain, 16-20 June 2019
Soot particle nanostructure from HRTEM images and reactivity towards oxidation [in press]
Hagen, F.; Hardock, F.; Bockhorn, H.; Loukou, A.; Suntz, R.; Trimis, D.
2019. 9th European Combustion Meeting 2019, 14 - 17 April, 2019, Lisboa, Portugal - Book of Abstracts. Ed.: S. Pereira, 126, Instituto Superior Técnico
Hagen, F.; Hardock, F.; Bockhorn, H.; Loukou, A.; Suntz, R.; Trimis, D.
2019. 9th European Combustion Meeting 2019, 14 - 17 April, 2019, Lisboa, Portugal - Book of Abstracts. Ed.: S. Pereira, 126, Instituto Superior Técnico
2018
Correlations of reactivity with structural and optical properties of soot particles for application in Gasoline Direct Injection engine exhaust gas aftertreatment
Hagen, F.; Loukou, A.; Vlavakis, P.; Häber, T.; Bockhorn, H.; Suntz, R.; Trimis, D.
2018, August. 37th International Symposium on Combustion (2018), Dublin, Ireland, July 29–August 3, 2018
Hagen, F.; Loukou, A.; Vlavakis, P.; Häber, T.; Bockhorn, H.; Suntz, R.; Trimis, D.
2018, August. 37th International Symposium on Combustion (2018), Dublin, Ireland, July 29–August 3, 2018
2017
Comparison of Gasoline Direct-Injection (GDI) and Port Fuel Injection (PFI) Vehicle Emissions: Emission Certification Standards, Cold-Start, Secondary Organic Aerosol Formation Potential, and Potential Climate Impacts
Hagen, F. P.; Saliba, G.; Saleh, R.; Zhao, Y.; Presto, A. A.; Lambe, A. T.; Frodin, B.; Sardar, S.; Maldonado, H.; Maddox, C.; May, A. A.; Drozd, G. T.; Goldstein, A. H.; Russell, L. M.; Robinson, A. L.
2017. Environmental Science & Technology, 51 (11), 6542–6552. doi:10.1021/acs.est.6b06509
Hagen, F. P.; Saliba, G.; Saleh, R.; Zhao, Y.; Presto, A. A.; Lambe, A. T.; Frodin, B.; Sardar, S.; Maldonado, H.; Maddox, C.; May, A. A.; Drozd, G. T.; Goldstein, A. H.; Russell, L. M.; Robinson, A. L.
2017. Environmental Science & Technology, 51 (11), 6542–6552. doi:10.1021/acs.est.6b06509