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Published in:
Introduction to Thermal Management Techniques Read chapter Read first chapter

2022 | OriginalPaper | Chapter

7. Decoupling Temperature and Oxygen for DPF Regeneration

Authors : A. Mayer, Chr. Lämmle

Published in: Handbook of Thermal Management of Engines

Publisher: Springer Singapore

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Abstract

The regeneration of a loaded diesel particulate filter (DPF), i.e. the burn-up of the stored soot to CO2, depends on numerous factors, but the most important ones are the temperature and oxygen content of the exhaust gas. Temperature and oxygen, however, have opposite trends. At operation conditions where the temperature is high in a diesel engine, oxygen is always low and vice versa. The challenge to have high oxygen available at conditions where the temperature is high, however, can be solved in a dynamic process using heat inertia effects and can be used for perfect regeneration of the soot-loaded DPF as this proposal demonstrates.

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previous chapter Diesel Engine Throttling—The Classical Tool: To Adapt Exhaust Gas Temperature for Emission Control by Catalysts and Filters: From Its Beginning to the State of the Art in Euro 6/VI
next chapter Thermal Management of the DPF, DOC, and SCR Processes by Heat Recovery
Literature
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Lepperhoff/TU Aachen (1984) The calculation of regeneration limits of diesel particulate traps for different regeneration methods. SAE 1984-02-01
2.
Mayer A et al (2004) Minimierung der Partikelemissionen von Verbrennungsmotoren. Haus der Technik 36. Expert-Verlag. ISBN 3-8169-2430-1
3.
Mayer et al (2005) Elimination of engine generated nanoparticles. Haus der Technik 58. Expert-Verlag. ISBN 3-8169-2552-9
4.
Mayer et al (2008) Particle filter retrofit for all diesel engines. Haus der Technik 97. Expert-Verlag. ISBN 978-3-8169-2850-8
5.
Belot G et al (2000) Passenger car serial application of a particulate filter system on a common rail direct injection diesel engine. SAE 2000-01-0473
6.
Mayer et al (2003) Engine intake throttling for active regeneration of diesel particle filters. SAE 2003-01-0381
7.
8.
Walker AP et al (2002) The use of the continuously regeneration trap (CRT) to control particulate emissions. SAE 2002-01-1271
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10.
11.
Verfahren zum Betreiben eines Verbrennungsmotors inclusive Partikelfilterregeneration. Deutsches Patent Nr. 10 2005 012 525
Metadata
Title
Decoupling Temperature and Oxygen for DPF Regeneration
Authors
A. Mayer
Chr. Lämmle
Copyright Year
2022
Publisher
Springer Singapore
Book
Handbook of Thermal Management of Engines

Print ISBN: 978-981-16-8569-9

Electronic ISBN: 978-981-16-8570-5

Copyright Year: 2022

DOI
https://doi.org/10.1007/978-981-16-8570-5_7

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