Development of New Test Methods to Describe Knock and Pre-Ignition Behaviour of Fuel and Oil in Highly Charged Gasoline Engines

Authors

Dipl.-Ing. C. Martin, Dr. J. Graf,
Prof. Dr. B. Geringer,
Vienna University of Technology; Dipl.-Ing. R. Luef, Dr. P. Grabner,
Prof. Dr. H. Eichlseder, Graz University of Technology; Dr. P. Prenninger, AVL List GmbH, Graz

Year

2014

Print Info

Fortschritt-Berichte VDI, Reihe 12, Nr. 777

Summary

The investigation of knocking, pre-ignition and/or self-ignition behavior of the overall system (engine, fuel and lubricating oil) is a vital step for optimizing future gasoline engines and their consumables. To this end new, adjusted test methods need to be developed. The creation of derived characteristic numbers if possible, would be necessary to determine the irregular behavior in a reproduceable and realistic manner. The knocking and pre-ignition behavior of selected alternative fuels were investigated at the Institute for Powertrains and Automotive Technology of Vienna University of Technology, while the research focus of the Institute of Internal Combustion Engines and Thermodynamics of Graz University of Technology was on the influence of lubricating oil on pre-ignition.

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