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| Naji, M. |
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| Motta, Antonella |
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| Aletan, Dirar |
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| Mohamed, Tarek |
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| Ertürk, Emre |
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| Taccardi, Nicola |
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| Kononenko, Denys |
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| Petrov, R. H. | Madrid |
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| Alshaaer, Mazen | Brussels |
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| Bih, L. |
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| Casati, R. |
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| Muller, Hermance |
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| Kočí, Jan | Prague |
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| Šuljagić, Marija |
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| Kalteremidou, Kalliopi-Artemi | Brussels |
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| Azam, Siraj |
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| Ospanova, Alyiya |
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| Blanpain, Bart |
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| Ali, M. A. |
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| Popa, V. |
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| Rančić, M. |
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| Ollier, Nadège |
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| Azevedo, Nuno Monteiro |
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| Landes, Michael |
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| Rignanese, Gian-Marco |
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Demirdjian, Benjamin
Centre Interdisciplinaire de Nanoscience de Marseille
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (9/9 displayed)
- 2016Impact of the 0.1% fuel sulfur content limit in SECA on particle and gaseous emissions from marine vesselscitations
- 2015Nanofabrication of optical structures (filters, resonators and sensors)
- 2011Neutron diffraction study of water freezing on aircraft engine combustor soot
- 2009Ship particulate pollutants: Characterization in terms of environmental implicationcitations
- 2009Ship particulate exhaust characterization: microstructure, elemental composition, surface chemistry
- 2007Heterogeneities in the Microstructure and Composition of Aircraft Engine Combustor Soot: Impact on the Water Uptakecitations
- 2005Vapor Pressure and Solid Phases of Methanol below Its Triple Point Temperaturecitations
- 2004Aircraft engine soot as ice nuclei in contrail and cirrus formation
- 2004Aircraft engine soot as contrail nucleicitations
Places of action
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article
Aircraft engine soot as contrail nuclei
Abstract
The physico-chemical properties of aircraft engine soot are characterized with respect to their ability to act as CCN. Comparison with laboratory generated kerosene soot shows a significant influence of combustion conditions on the morphology, microstructure, chemical composition, surface nature, and hygroscopicity of soot. Engine soot particles separate into two components based on composition and structural heterogeneities: a main soot fraction and a fraction of impurities containing an appreciable amount of metal and sulfur. The high concentration of soluble sulfates, of inorganics and of organics in the fraction that contains impurities, explains the engine soot hygroscopicity and its ability to act as CCN at threshold conditions for contrail formation. Laboratory–generated kerosene soot is not able to reproduce the hygroscopicity of engine soot, but we show that it is a good surrogate for the insoluble black carbon fraction of aircraft soot in the upper troposphere.