A variable-compression ratio, direct-injection diesel engine (VCR) has been designed and assembled at Southwest Research Institute with the intention of examining the current procedures for rating the ignition quality of diesel fuels and the meaning of ignition delay as an indicator of ignition and combustion quality. Using a slightly modified ASTM D 613 procedure, the engine has been used to rate the ignition quality of 43 different test fuels. The ratings obtained in the VCR engine are compared to the corresponding rating obtained using the standard cetane rating procedure. Some of the problems associated with the standard procedure became apparent during these experiments. The experimental results are discussed in terms of the problems and the advantages of a proposed VCR-based rating procedure.


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    Titel :

    Ignition Delay as Determined in a Variable-Compression Ratio Direct-Injection Diesel Engine


    Weitere Titelangaben:

    Sae Technical Papers


    Beteiligte:

    Kongress:

    1987 SAE International Fall Fuels and Lubricants Meeting and Exhibition ; 1987



    Erscheinungsdatum :

    1987-11-01




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch




    Ignition delay as determined in a variable-compression ratio direct-ignition diesel engine

    Ryan,T.W. / Southwest Research Inst.,US | Kraftfahrwesen | 1987




    The Development of a Novel Variable Compression Ratio, Direct Injection Diesel Engine

    Pilley, Anthony D. / Porter, Brian C. / Sobotowski, Rafal A. | SAE Technical Papers | 1991


    The development of a novel variable compression ratio, direct injection diesel engine

    Sobotowski,R.A. / Porter,B.C. / Pilley,A.D. et al. | Kraftfahrwesen | 1991