A THEORETICAL analysis indicated that a charging air system of exhaust-driven turbo-charger, engine-driven Roots-type blower, and aftercooler would permit increasing the output of the General Motors Model 16-278A 2-srroke-cycle diesel engine from 1600 to 3000 bhp at 750 rpm. Using a mechanism to control engine compression ratio relative to engine output would further improve thermal efficiency at lower loads.Tests with a simulated turbocharged installation proved the accuracy of the analysis. Thermal efficiency from 1500 to 3000 bhp was better than that at the original 1600-bhp rating.Tests are now under way adapting turbo-chargers to the engine and developing manifolding to duplicate the simulated turbocharged operation.A THEORETICAL analysis indicated that a charging air system of exhaust-driven turbo-charger, engine-driven Roots-type blower, and aftercooler would permit increasing the output of the General Motors Model 16-278A 2-srroke-cycle diesel engine from 1600 to 3000 bhp at 750 rpm. Using a mechanism to control engine compression ratio relative to engine output would further improve thermal efficiency at lower loads.Tests with a simulated turbocharged installation proved the accuracy of the analysis. Thermal efficiency from 1500 to 3000 bhp was better than that at the original 1600-bhp rating.Tests are now under way adapting turbo-chargers to the engine and developing manifolding to duplicate the simulated turbocharged operation.


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    Title :

    High Supercharging Development of a GM16-278A 2-Stroke-Cycle Diesel Engine


    Additional title:

    Sae Technical Papers


    Contributors:

    Conference:

    Pre-1964 SAE Technical Papers ; 1906



    Publication date :

    1955-01-01




    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English


    Keywords :


    High supercharging development of G.M. 16-278a two-stroke cycle diesel engine

    Payne, W.G. / Lang, W.S. | Engineering Index Backfile | 1954


    High supercharging development of G.M. 16-278a two-stroke cycle diesel engine

    Payne, W.G. / Lang, W.S. | Engineering Index Backfile | 1955


    Supercharging of four-stroke cycle diesel engines

    Modugno, F. | Engineering Index Backfile | 1929


    Diesel engine supercharging

    Koffmann, J.L. | Engineering Index Backfile | 1941


    DIESEL ENGINE SUPERCHARGING

    JONES, C. R. | SAE Technical Papers | 1947