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Diesel Particle Size Distribution Changes Along a Practical Exhaust System During Cold Start in a Passenger Car IDI Diesel
Technical Paper
2000-01-0514
ISSN: 0148-7191, e-ISSN: 2688-3627
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Sector:
Event:
SAE 2000 World Congress
Language:
English
Abstract
Diesel exhaust particle size distribution and total number concentration were measured at different positions along the exhaust system of a practical light-duty passenger car diesel engine. Continuous particle size measurements during the diesel cold start were made in 12 particle size ranges using the ELPI particle size analyser. Three engine speeds were studied using a step cold start procedure to the set load and speed condition. The exhaust system had an oxidation catalyst with hydrocarbon absorber and two silencers. Particle size distributions were determined upstream and downstream of the catalyst and the two silencers. There were considerable variations in the particle number and size distribution after the cold start. The catalyst was shown to act as a store for fine particles and there were further particle losses across the two silencers. There was a large overshoot in the particle number just after the cold start and this was shown to be mainly an overshoot of fine particulates at 40nm.
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Authors
- G. E. Andrews - Department of Fuel and Energy, The University of Leeds
- A. J. Clarke - Department of Fuel and Energy, The University of Leeds
- N. Y. Rojas - Department of Fuel and Energy, The University of Leeds
- D. Gregory - Dunton Engineering Centre, Ford Motor Company Ltd.
- T. Sale - Dunton Engineering Centre, Ford Motor Company Ltd.
Topic
Citation
Andrews, G., Clarke, A., Rojas, N., Gregory, D. et al., "Diesel Particle Size Distribution Changes Along a Practical Exhaust System During Cold Start in a Passenger Car IDI Diesel," SAE Technical Paper 2000-01-0514, 2000, https://doi.org/10.4271/2000-01-0514.Also In
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