An advanced analytical model is presented and used for a fundamental investigation of the response of highly rated turbocharged diesel engines. Details of many aspects of the model are presented, along with a discussion of certain limitations and their importance. The accuracy of the model is illustrated.Factors influencing turbocharger response are discussed and the dominant ones selected for further analysis. The fuel control system of a highly rated engine usually consists of a device that limits maximum fuel delivery as a function of boost pressure. Changes in turbocharger match can be used to improve low-speed torque and reduce exhaust smoke. The importance of then re-optimizing the maximum fuel controller for transient as well as steady state conditions is illustrated, showing the trade-off between improved drive ability and exhaust smoke.Turbocharger inertia also strongly influences response and can be reduced by design, material and diameter changes. However reducing turbine diameter alone causes an efficiency miss-match {with radial turbo machinery). The implications of the trade-off between specific speed, efficiency, diameter, inertia, matching and response are presented.


    Access

    Check access

    Check availability in my library

    Order at Subito €


    Export, share and cite



    Title :

    Transient Performance Simulation and Analysis of Turbocharged Diesel Engines


    Additional title:

    Sae Technical Papers


    Contributors:
    Watson, N. (author)

    Conference:

    SAE International Congress and Exposition ; 1981



    Publication date :

    1981-02-01




    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English




    Transient Performance Simulation and Analysis of Turbocharged Diesel Engines

    Watson,N. / Univ.of London,Imp.Coll.of Sci.and Technol.,Dep.of Mech.Engng.,GB | Automotive engineering | 1981


    Transient Response of Turbocharged Diesel Engines

    Winterbone,D.E. / Benson,R.S. / Mortimer,A.G. et al. | Automotive engineering | 1977


    Transient Response of Turbocharged Diesel Engines

    Stotter, A. / Mortimer, A. G. / Winterbone, D. E. et al. | SAE Technical Papers | 1977


    Computer Simulation of Turbocharged Diesel Engines Under Transient Conditions

    Schorn,N. / Pischinger,F. / Schulte,H. | Automotive engineering | 1987


    Computer Simulation of Turbocharged Diesel Engines Under Transient Conditions

    Pischinger, F. / Schulte, H. / Schorn, N. | SAE Technical Papers | 1987