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2009 | OriginalPaper | Buchkapitel

7. Advanced Diesel Combustion

verfasst von : Katsuyuki Ohsawa, Takeyuki Kamimoto

Erschienen in: Flow and Combustion in Reciprocating Engines

Verlag: Springer Berlin Heidelberg

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Conventional diesel combustion that is governed by turbulent diffusion produces inevitably high temperature zones in the flame at near stoichiometric fuel–air ratios where NO is formed in high concentrations. If one could successfully burn very lean homogeneous mixtures charged in the combustion chamber, the resultant low combustion temperature would offer a significant reduction in both NO_x and PM emissions. Homogeneous mixture combustion in spark ignition engines, however, depends on turbulent flame propagation, and its lean limit is generally lower than an equivalence ratio of 0.65 at which the temperature is not low enough to suppress NO_x formation. Accordingly, a type of combustion in which spontaneous ignition occurs simultaneously throughout the combustion chamber at leaner equivalence ratios has been pursued. This is the concept of advanced diesel combustion. …

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Titel: Advanced Diesel Combustion
verfasst von: Katsuyuki Ohsawa
Takeyuki Kamimoto
Verlag: Springer Berlin Heidelberg
Buch: Flow and Combustion in Reciprocating Engines
Print ISBN: 978-3-540-64142-1

Electronic ISBN: 978-3-540-68901-0

Copyright-Jahr: 2009
DOI: https://doi.org/10.1007/978-3-540-68901-0_7

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