An analytic evaluation of the dynamic effects of two flight load conditions of the JT9D-7/747 propulsion system is conducted. Predicted performance changes associated with a once-per-flight vertical gust and a typical revenue service landing are calculated. The predicted dynamic load effects on thrust specific fuel consumption are found to be negligible. The results indicate that the quasi-steady state approach to flight loads modeling is adequate to investigate the factors important to the deterioration process.


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    Title :

    Effect of time-dependent flight loads on turbofan engine performance deterioration


    Contributors:
    Lewis, B. L. (author) / Jay, A. (author) / Stakolich, E. G. (author)

    Conference:

    Gas Turbine Conference and Products Show ; 1981 ; Houston, TX


    Publication date :

    1981-03-01


    Type of media :

    Conference paper


    Type of material :

    No indication


    Language :

    English




    Effect of time-dependent flight loads on turbofan engine performance deterioration

    Lewis, B.L. / Jay, A. / Stakolich, E.G. | Tema Archive | 1981



    Effect of Flight Loads on Turbofan Engine Performance Deterioration

    E. G. Stakolich / A. Jay / E. S. Todd et al. | NTIS | 1978


    Effect of flight loads on turbofan engine performance deterioration

    Stakolich, E. G. / Jay, A. / Todd, E. S. et al. | NTRS | 1978