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2019 | OriginalPaper | Chapter

Integrated flow model with combustion and emission model for VVT Diesel engine

Authors : Qirui Yang, Michael Bargende, Michael Grill

Published in: 19. Internationales Stuttgarter Symposium

Publisher: Springer Fachmedien Wiesbaden

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Abstract

In this work, a previously developed quasi-dimensional charge motion and turbulence model for the diesel engines with a fully variable valve train [4] is at first extended by enclosing injection effects and modeling internal exhaust gas recirculation (iEGR). Direct injection contributes to the immense generation of turbulence but also affects adversely swirl flows, for which it is modeled both as immediate partial conversion of injection kinetic energy into turbulent kinetic energy (TKE) and as an additional moment of inertia that decelerates swirl. In order to cope with the future application of iEGR, the variability on the exhaust side is taken into account.

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previous chapter Continuous implementation of 0D/1D engine models in the development process of a race car engine

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Title: Integrated flow model with combustion and emission model for VVT Diesel engine
Authors: Qirui Yang
Michael Bargende
Michael Grill
Publisher: Springer Fachmedien Wiesbaden
Book: 19. Internationales Stuttgarter Symposium
Print ISBN: 978-3-658-25938-9

Electronic ISBN: 978-3-658-25939-6

Copyright Year: 2019
DOI: https://doi.org/10.1007/978-3-658-25939-6_57