The Miller system was implemented to control the intake-air throttle valve for a stationary natural gas engine. The throttle system consists of an additional rotary valve provided with a variable timing device and a conventional butterfly valve. This throttle system can control not only the mass flow rate of the air-fuel mixture by changing the intake duration, but also the effective compression ratio at the same time. The experimental results showed an improvement in thermal efficiency at part load and a reduction of NOx emissions for the gas engine.


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    Title :

    The Development of New Throttle Valve Actuation System for Natural Gas Engine


    Additional title:

    Sae Technical Papers


    Contributors:

    Conference:

    International Congress & Exposition ; 1992



    Publication date :

    1992-02-01




    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English




    The development of new throttle valve actuation system for natural gas engine

    Azechi,M. / Kanesaka,H. / Nishida,A. et al. | Automotive engineering | 1992


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