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The Calculation of Regeneration Limits of Diesel Particulate Traps for Different Regeneration Methods
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English
Abstract
Using known approaches to describe the reaction kinetics of soot, simple models are formulated to calculate regeneration limits and describe the interaction between engine and filter.
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Insulation of exhaust ports and manifold reduces the lower limit of automatic filter regeneration by approx. 0.5 bar bmep.
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Intake throttling extends the range of automatic regeneration to within medium load.
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The combination of intake throttling with a small constant output burner enables regeneration for all engine operating conditions.
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Fuel additives can lower the limit for filter regeneration through lowering the activation energy to within the lower part load without additional measures.
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Authors
- E. Pauli - FEV
- G. Lepperhoff - FEV
- F. Pischinger - FEV
Citation
Pauli, E., Lepperhoff, G., and Pischinger, F., "The Calculation of Regeneration Limits of Diesel Particulate Traps for Different Regeneration Methods," SAE Technical Paper 840075, 1984, https://doi.org/10.4271/840075.Also In
References
- Tomingas R. Lepperhoff G. Comparison of the Biological Effects of Particulate- and PAH-Emissions from Diesel- and Gasoline Engines VIth World Congress on Air Quality Paris May 1983
- Reichel S. Pischinger F.F. Lepperhoff G. Influence on Particles in Diluted Diesel Engine Exhausted Gas SAE 831333
- Howitt J.S. Montierth M. R. Cellular Ceramic Diesel Particulate Filter SAE 810114
- Wade W.R. White J.E. Florek J.J. Diesel Particulate Trap Regeneration Techniques SAE 810118
- Lepperhoff G. Möglichkeiten zur Verringerung der Partikel-emission bei Dieselmotoren Vortrag, gehalten am Seminar Fahrzeug-Diesel-Motoren der Technischen Akademie Wuppertal 03. - 04. Okt. 1983
- Pauli E. Lepperhoff G. Pischinger F. The Description of the Regeneration Behavior of Diesel Particulate Traps with the Aid of a Mathematical Mode SAE 830180