This paper presents technical results on the developmental work of six (6) kinds of direct injection, high output diesel engines with cylinder bores from 105 mm to 185 mm.The use of the swirl type combustion system can reduce the load on fuel injection equipments. The swirl ratio for the highly supercharged engine must be set at a higher level to compensate for damping of the swirl due to the valve recess, as compared with natural aspirated engines of the same size. As a result, the engine becomes less sensitive to the changes of the swirl ratio and injection timing. With an increase in cylinder bore, the optimum swirl ratio becomes lower, the contour of the combustion chamber has to be changed from the deep to the shallow type, and the number of fuel injection nozzle holes increases for optimum operation. Consequently, the swirl type combustion system is more advantageous under 180 mm cylinder bore.


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    Titel :

    Topics on the Developmental Work of Highly Supercharged Dl Diesel Engines


    Weitere Titelangaben:

    Sae Technical Papers


    Beteiligte:
    Mori, Mitsuyoshi (Autor:in) / Arakawa, Sadao (Autor:in)

    Kongress:

    1980 SAE International Off-Highway and Powerplant Congress and Exposition ; 1980



    Erscheinungsdatum :

    01.09.1980




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch




    Topics on the developmental work of highly supercharged DI Diesel engines

    Mori,M. / Arakawa,S. / Yammar Diesel Engine,JP | Kraftfahrwesen | 1980


    Combustion Method of Small-Sized, Highly Supercharged Diesel Engines

    Motoyoshi,E. / Yamada,T. / Uno,M. et al. | Kraftfahrwesen | 1977


    M.A.N. highly-supercharged engines

    Engineering Index Backfile | 1954


    M.A.N. highly-supercharged engines

    Engineering Index Backfile | 1954


    M.A.N. highly-supercharged engines

    Engineering Index Backfile | 1954