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Limits on downsizing in spark ignition engines due to pre-ignition

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  • Combustion
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Abstract

The combination of gasoline direct injection and supercharging technologies allows the substitution of naturally aspirated engines through downsized supercharged engines with comparable performance. However, increasing the mean effective pressure is limited by the occurrence of unwanted pre-ignition phenomena. The following article provides an insight into the pre-ignition phenomenon and its relevant triggering mechanisms. The presented results stem from a research project by Volkswagen AG Group Research, in cooperation with the Institute for Internal Combustion Engines and Automotive Engineering at Vienna University of Technology.

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Authors and Affiliations

  1. Volkswagen AG Group Research, Wolfsburg, Germany

    Jürgen Willand (Head of the Gasoline Engines Division),  Marc Daniel (Researcher in the Field of Thermodynamics at the Gasoline Engines Division) &  Emanuela Montefrancesco (Researcher in the Field of CFD / Reaction Kinetics at the Gasoline Engines Division)

  2. Vienna University of Technology, Vienna, Austria

    Bernhard Geringer (Head of the Institute for Internal Combustion Engines),  Peter Hofmann (Lecturer at the Institute for Internal Combustion Engines) &  Markus Kieberger (Research Assistant at the Institute for Internal Combustion Engines)

Authors
  1. Jürgen Willand
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  2. Marc Daniel
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  3. Emanuela Montefrancesco
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  4. Bernhard Geringer
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  5. Peter Hofmann
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  6. Markus Kieberger
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Willand, J., Daniel, M., Montefrancesco, E. et al. Limits on downsizing in spark ignition engines due to pre-ignition. MTZ Worldw 70, 56–61 (2009). https://doi.org/10.1007/BF03226955

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  • DOI: https://doi.org/10.1007/BF03226955

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