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Ignition Delay, Lift-off and Soot Luminescence in Diesel-Ethanol Spray Combustion

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Sustainable Automotive Technologies 2014

Part of the book series: Lecture Notes in Mobility ((LNMOB))

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Abstract

To investigate the influence of ethanol blending in Diesel fuel on the spray combustion characteristics, experiments were carried out in an optically accessed high-pressure/high-temperature spray chamber. Three different fuels were investigated: (1) Diesel, based on the European EN590 standard; (2) E10 with 10 % ethanol and (3) E20 with 20 % ethanol. Gas conditions were kept at a constant gas density of 24.3 kg/m3 at a lower combusting temperature (550 °C, 57.3 bar) and a higher combusting temperature (600 °C, 60 bar). The experimental results showed that ignition delay and delay time of soot formation were increased as ethanol was blended in Diesel fuel. Less soot luminescence was observed and longer lift-off length was measured in Diesel-ethanol blends compared to pure Diesel.

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References

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Acknowledgments

Financial support was obtained from the Combustion Engine Research Centre (CERC) at Chalmers. The fuel blends were provided by Dr Anna Lif at AkzoNobel.

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Authors and Affiliations

  1. Department of Applied Mechanics, Chalmers University of Technology, Gothenburg, Sweden

    Chengjun Du, Mats Andersson & Sven Andersson

Authors
  1. Chengjun Du
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  2. Mats Andersson
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  3. Sven Andersson
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Corresponding author

Correspondence to Chengjun Du .

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Editors and Affiliations

  1. Applied Mechanics, Chalmers University of Technology, Goteborg, Sweden

    Ingemar Denbratt

  2. School of Aerospace, Mechanical and Manufacturing Engineering, RMIT University, Bundoora, Australia

    Aleksandar Subic

  3. Faculty of Mechanical Engineering, Technische Hochschule Ingolstadt, Ingolstadt, Germany

    Jörg Wellnitz

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© 2015 Springer International Publishing Switzerland

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Du, C., Andersson, M., Andersson, S. (2015). Ignition Delay, Lift-off and Soot Luminescence in Diesel-Ethanol Spray Combustion. In: Denbratt, I., Subic, A., Wellnitz, J. (eds) Sustainable Automotive Technologies 2014. Lecture Notes in Mobility. Springer, Cham. https://doi.org/10.1007/978-3-319-17999-5_8

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  • DOI: https://doi.org/10.1007/978-3-319-17999-5_8

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  • Publisher Name: Springer, Cham

  • Print ISBN: 978-3-319-17998-8

  • Online ISBN: 978-3-319-17999-5

  • eBook Packages: EngineeringEngineering (R0)

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