The paper surveys the current status of the aviation positive displacement engine programs underway at the NASA Lewis Research Center. The program encompasses conventional, lightweight diesel, and rotary combustion engines. Attention is given to topics such as current production type engine improvement, cooling drag reduction, fuel injection, and experimental and theoretical combustion studies. It is shown that the program's two major technical thrusts are directed toward lean operation of current production type spark ignition engines and advanced alternative engine concepts. Finally, an Otto cycle computer model is also covered.


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    Title :

    An overview of NASA research on positive displacement type general aviation engines


    Contributors:

    Conference:

    American Institute of Aeronautics and Astronautics, Aircraft Systems and Technology Meeting ; 1979 ; New York, NY


    Publication date :

    1979-08-01


    Type of media :

    Conference paper


    Type of material :

    No indication


    Language :

    English