MORE attention must be paid to light-weight design and to flexible combustion control if the Diesel engine is to become a serious competitor of the gasoline engine. The relative merits of existing types of combustion-chamber and injection systems used in present commercial four-cycle engines are discussed, and it is shown that the single-turbulence-chamber type offers the most promising means to high mean effective pressures at low fuel consumption. Stock high-pressure fuel-pumps and injection-valves, produced in volume by specialists, will have a great influence on the production of high-speed Diesel engines. The interrelation of combustion and injection processes in controlled-turbulence combustion-chambers is explained, and design details and test results are given of the practical application of single-chamber principles and of a stock injection system to flexible combustion control in a recently developed high-speed four-cycle engine.Factors limiting mean effective pressure and piston speeds are discussed, as are also the mechanical problems of design, cooling and lubrication of vital parts. In comparing Diesel-engine with gasoline-engine weights, due allowance is made for the difference in maximum gas pressures.The illustrations show examples of various combustion-chamber designs and design details and photographs of DeLaVergne high-speed engines.


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    Titel :

    Combustion and Design Problems of Light High-Speed Diesel Engines


    Weitere Titelangaben:

    Sae Technical Papers


    Beteiligte:
    Ruehl, E. F. (Autor:in)

    Kongress:

    Pre-1964 SAE Technical Papers ; 1906



    Erscheinungsdatum :

    01.01.1931




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch




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