Increasing the air charge of crankcase scavenged two-stroke cycle engines is essential for improved performance. Accordingly, the crankcase volume and dimensions of the inlet system were experimentally investigated in order to fully utilize the dynamic effect of both the exhaust and inlet systems with a view towards increasing the delivery ratio. To achieve full utilization of the effect of the inlet system, it was found that the time-area of the inlet port should be far larger than that considered for the usual engine. The drop in delivery ratio caused by increasing the crankcase volume can be fairly well compensated for by tuning the exhaust and inlet systems.Increasing the air charge of crankcase scavenged two-stroke cycle engines is essential for improved performance. Accordingly, the crankcase volume and dimensions of the inlet system were experimentally investigated in order to fully utilize the dynamic effect of both the exhaust and inlet systems with a view towards increasing the delivery ratio. To achieve full utilization of the effect of the inlet system, it was found that the time-area of the inlet port should be far larger than that considered for the usual engine. The drop in delivery ratio caused by increasing the crankcase volume can be fairly well compensated for by tuning the exhaust and inlet systems.Increasing the air charge of crankcase scavenged two-stroke cycle engines is essential for improved performance. Accordingly, the crankcase volume and dimensions of the inlet system were experimentally investigated in order to fully utilize the dynamic effect of both the exhaust and inlet systems with a view towards increasing the delivery ratio. To achieve full utilization of the effect of the inlet system, it was found that the time-area of the inlet port should be far larger than that considered for the usual engine. The drop in delivery ratio caused by increasing the crankcase volume can be fairly well compensated for by tuning the exhaust and inlet systems.


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    Titel :

    The Effect of Crankcase Volume and the Inlet System on the Delivery Ratio of Two-Stroke Cycle Engines


    Weitere Titelangaben:

    Sae Technical Papers


    Beteiligte:
    Nagao, Fujio (Autor:in) / Shimamoto, Yuzuru (Autor:in)

    Kongress:

    1967 Automotive Engineering Congress and Exposition ; 1967



    Erscheinungsdatum :

    01.02.1967




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch




    Effect of crankcase volume and inlet system on delivery ratio of two-stroke cycle engines

    Nagao, F. / Shimamoto, Y. | Engineering Index Backfile | 1967


    Limiting delivery ratio curves of crankcase-scavenged 2-stroke cycle engines by throttling the inlet port

    Fukutani,I. / Watanabe,E. / Inst.of Vocational Training,Div.of Mechanical and Transportation Engng.,JP | Kraftfahrwesen | 1986



    Study of delivery ratio characteristics of crankcase-scavenged two-stroke cycle engines

    Komotori, K. / Watanabe, E. | Engineering Index Backfile | 1969