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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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Dearn, K. D.
University of Birmingham
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (11/11 displayed)
- 2023Characterisation of soot agglomerates from engine oil and exhaust system for modern compression ignition enginescitations
- 2022Bio-Tribo-Acoustic Emissions: Condition Monitoring of a Simulated Joint Articulationcitations
- 2020A method for the assessment of the coefficient of friction of articular cartilage and a replacement biomaterialcitations
- 2019Improvement of the tribological behaviour of palm biodiesel via partial hydrogenation of unsaturated fatty acid methyl esterscitations
- 2018The tribology of fructose derived biofuels for DISI gasoline enginescitations
- 2017Corrosion and tribological performance of quasi-stoichiometric titanium containing carbo-nitride coatingscitations
- 2017Crack growth in medical-grade silicone and polyurethane ether elastomerscitations
- 2017The influence of variations of geometrical parameters on the notching stress intensity factors of cylindrical shellscitations
- 2016The Tribology of cleaning processescitations
- 2015The evolution of polymer wear debris from total disc arthroplastycitations
- 2014The wear of PEEK in rolling-sliding contact - simulation of polymer gear applicationscitations
Places of action
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article
Characterisation of soot agglomerates from engine oil and exhaust system for modern compression ignition engines
Abstract
The characteristics of soot in oil samples extracted from lubricating oil and exhaust system of a modern common rail compression ignition engine were studied. The morphological parameters of the soot agglomerates were calculated from micrographs obtained by a High-Resolution Transmission Electron Microscopy (HR-TEM). The morphological analysis indicated that the soot in oil agglomerates have a larger average primary particle size and overall larger agglomerate size (determined by the radius of gyration) compared to the agglomerates sampled in the exhaust system. This can be a consequence of the dehydrogenation of hydrocarbon (HC) chains from the oil around the soot agglomerates. The shape of the agglomerates is quantified by fractal dimension. The soot in oil agglomerates presented a slightly larger fractal dimension than those studied in the exhaust system. Therefore, it seems that soot in oil agglomerates were more compact than those found in the exhaust system. The impact on lubricating oil properties should be further investigated.