The feasibility of using exhaust temperatures and injector nozzle needle lift duration to predict power output and fuel consumption of a diesel engine was investigated using an instrumented John Deere 4440 tractor. Using data obtained during a series of PTO dynamometer experiments, regression models were determined correlating the needle lift duration, exhaust temperatures, and engine speed with the parameters of interest. The models were subsequently tested under normal tractor operating conditions on a commercial farm.Fuel flow and engine power output were accurately predicted from engine speed and needle lift duration and both these variables could be measured using one needle lift sensor. Engine power estimation from exhaust temperature measurements proved unsatisfactory due to the slow speed of response to changes in engine load.


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    Titel :

    Estimating Diesel Engine Performance by indirect Methods


    Weitere Titelangaben:

    Sae Technical Papers


    Beteiligte:

    Kongress:

    1987 SAE International Off-Highway and Powerplant Congress and Exposition ; 1987



    Erscheinungsdatum :

    01.09.1987




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch


    Schlagwörter :


    Estimating diesel engine performance by indirect methodes

    McKierman,M. / Lalk,T.R. / Stout,B.A. et al. | Kraftfahrwesen | 1987


    Combustion phenomena in indirect-injection diesel engine detected by optical methods

    Fujimoto,H. / Oura,S. / Morinaga,S. et al. | Kraftfahrwesen | 1999


    Performance prediction of a low heat rejection indirect injection diesel engine

    Gupta,M.K. / Babu,M.K. / Indian Inst.of Technol.,Centre of Energy Studies,IN | Kraftfahrwesen | 1987


    Piston slap noise of indirect combustion diesel engine.

    Usami,T. / Wada,S. / Sonoda,S. et al. | Kraftfahrwesen | 1975


    HEAT TRANSFER IN THE INDIRECT INJECTION DIESEL ENGINE

    Kamel, M. / Watson, N. | SAE Technical Papers | 1979