THERMAL SCIENCE

International Scientific Journal

INVESTIGATION INTO THE EFFECT OF DIFFERENT FUELS ON IGNITION DELAY OF M-TYPE DIESEL COMBUSTION PROCESS

ABSTRACT
An ignition delay is a very complex process which depends on a great number of parameters. In practice, definition of the ignition delay is based on the use of correlation expressions. However, the correlation expressions have very often limited application field. This paper presents a new correlation which has been developed during the research project on the direct injection M-type diesel engine using both the diesel and biodiesel fuel, as well as different values of a static injection timing. A dynamic start of injection, as well as the ignition delay, is defined in two ways. The first approach is based on measurement of a needle lift, while the second is based on measurement of a fuel pressure before the injector. The latter approach requires calculation of pressure signals delay through the fuel injection system and the variation of a static advance injection angle changing. The start of a combustion and the end of the ignition delay is defined on the basis of measurements of an in-cylinder pressure and its point of separation from a skip-fire pressure trace. The developed correlation gives better prediction of the ignition delay definition for the M-type direct injection diesel engine in the case of diesel and biodiesel fuel use when compared with the classic expression by the other authors available in the literature.
KEYWORDS
PAPER SUBMITTED: 2007-07-07
PAPER REVISED: 2007-09-17
PAPER ACCEPTED: 2008-02-12
DOI REFERENCE: https://doi.org/10.2298/TSCI0801103B
CITATION EXPORT: view in browser or download as text file
THERMAL SCIENCE YEAR 2008, VOLUME 12, ISSUE Issue 1, PAGES [103 - 114]
REFERENCES
  1. Dobovišek, Ž., Černej, A., Combustion Processes (in Bosnian), Mechanical Engineering Faculty, University of Sarajevo, Sarajevo, 1978
  2. Joksimović Tjapkin, S., Combustion processes ( in Serbian), Faculty of Technology and Metallurgy, University of Belgrade, Belgrade, 1981
  3. Kuo, K. K., Principles of Combustion, John Wiley and Sons, New York, USA, 1986
  4. Meurer, J. S., M. A. N. - M - Combustion Process (in German), M. A. N. Maschinenfabrik Augsburg, Nürnberg, Germany
  5. Dobovišek, Ž., Černej, A., Ideal and Real IC Engine Cycles (in Bosnian), Mechanical Engineering Faculty, University of Sarajevo, Sarajevo, 1976
  6. Heywood, J. B., Internal Combustion Engine Fundamentals, McGraw-Hill, International Editions Automotive Technology Series, McGraw-Hill, New York, USA, 1988
  7. Stojičić, T., Mixture Formation and Combustion Processes in the IC Engine (in Bosnian), Mechanical Engineering Faculty, University of Sarajevo, Sarajevo, 1984
  8. Assanis, D. N., et al., A Predictive Ignition Delay Correlation Under Steady-State and Transient Operation of a Direct Injection Diesel Engine, ASME Journal of Engineering for Gas Turbines and Power, 125 (2003), 2, pp. 450-457
  9. Hiroyasu, H., Diesel Engine Combustion and Its Modeling, Proceedings, International Symposium COMODIA 85, Tokyo, 1985, pp. 53-75
  10. Markatos, N. C., Computer Simulation of Fluid Flow, Heat and Mass Transfer and Combustion in Reciprocating Engines, Hemisfere Publishing Corporation, New York, USA, 1987
  11. Kwon, S.-I., Arai, M., Hiroyasu, H., Effects of Cylinder Temperature and Pressure on Ignition Delay in Direct Injection Diesel Engine, Bulletin of the M.E.S.J., 18 (1990), 1, pp. 3-15
  12. ***, National Instruments, The Measurement and Automation Catalog, 2004
  13. Kegl, B., Optimisation of MAN D2566MUM Diesel Engine in Case of Biodiesel Fuel Use (in Slovenian), Report fot LPP Ljubljana, Mechanical Engineering Faculty, University of Maribor, Maribor, Slovenia, MOBILIS, CIVITAS II, 6th European Frame Program, 2005
  14. Xia, Y. Q., Flanagan, R. C., Ignition Delay - A General Engine/Fuel Model, SAE technical paper 870591, 1987
  15. Bibić, Dž., Combustion Characteristics of Biodiesel and its Mixtures with Fossil Fuels in Diesel Engines, (in Bosnian), Mechanical Engineering Faculty University of Sarajevo, Sarajevo, 2007

© 2024 Society of Thermal Engineers of Serbia. Published by the Vinča Institute of Nuclear Sciences, National Institute of the Republic of Serbia, Belgrade, Serbia. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution-NonCommercial-NoDerivs 4.0 International licence