Vehicle analytical models are often favorable due to describing the physical phenomena associated with vehicle operation following from the principles of physics, with explainable mathematical trends and with extendable modeling to other types of vehicle. However, no experimentally validated analytical model has been developed as yet of diesel engine fuel consumption rate. The present paper demonstrates and validates for trucks and light commercial vehicles an analytical model of supercharged diesel engine fuel consumption rate. The study points out with 99.6% coefficient of determination that the average percentage of deviation of the steady speed-based simulated results from the corresponding field data is 3.7% for all Freeway cycles. The paper also shows with 98% coefficient of determination that the average percentage of deviation of the acceleration-based simulated results from the corresponding field data under negative acceleration is 0.12 %. Under positive acceleration, the average percentage of deviation of the acceleration-based simulated results from the corresponding field data is 1.77 % with 93.5% coefficient of determination. The simulated results for all standard cycles show the developed models outperform widely recognized models such as the CMEM and VT-Micro.


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    Titel :

    Analytical Modelling of Diesel Powertrain Fuel System and Consumption Rate


    Weitere Titelangaben:

    Sae Int. J. Mater. Manf
    Sae International Journal of Materials and Manufacturing


    Beteiligte:
    Rakha, Hesham (Autor:in) / Elmoselhy, Salah A. (Autor:in) / Faris, Waleed (Autor:in)


    Erscheinungsdatum :

    2015-01-01


    Format / Umfang :

    14 pages




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch





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