Under the NASA-sponsored Energy Efficient Engine (EEE) Project, technology is being developed which will significantly reduce the fuel consumption of turbofan engines for subsonic transport aircraft. One technology concept being pursued is active control of rotor tip clearances. Attention is given to rotor tip clearance considerations and an overview of preliminary study results as well as the General Electric EEE clearance control approach is presented. Finally, potential fuel savings with active control of rotor clearances for a typical EEE mission are predicted.


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    Title :

    Fuel conservation through active control of rotor clearances


    Contributors:

    Conference:

    Joint Propulsion Conference ; 1980 ; Hartford, CT


    Publication date :

    1980-06-01


    Type of media :

    Conference paper


    Type of material :

    No indication


    Language :

    English




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