A technology advancement in a new powerplant has both favorable and unfavorable effects. Increased bypass ratio and compression ratio, coupled with high turbine temperatures, improve performance but also increase engine price and maintenance cost. The factors that should be evaluated in choosing an engine for airline use are discussed. These factors are compared for two engines that might be considered for future 150 to 200 passenger airplanes: an all-new turbofan and a quiet derivative of an existing first generation turbofan. The results of the performance and cost evaluations of the example engines are reduced to common units so they can be combined.


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    Title :

    The influence of engine technology advancements on aircraft economics


    Contributors:

    Conference:

    National Aerospace Engineering and Manufacturing Meeting ; 1973 ; Los Angeles, CA


    Publication date :

    1973-10-01


    Type of media :

    Conference paper


    Type of material :

    No indication


    Language :

    English