A longitudinal nonlinear aerodynamic model form for USB-STOL aircraft was prepared. The static and dynamic parts of the model form were drawn separately. The static model form was then verified by fitting it to wind tunnel test data of the NAL-STOL experimental airplane ASUKA. For the dynamic form, three types of model form were proposed as candidates. The candidates differ from each other in the method of modeling the lag of downwash: In the first model the lag is simulated precisely, in the second model it is approximated from the first lag, and in the third model, the lag is neglected. A comparison of the results of dynamic flight simulation with these three models comes to the conclusion that the second model is the most appropriate for parameter identification from flight test data.


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    Titel :

    Longitudinal Nonlinear Aerodynamic Model Form for USB-STOL Aircraft


    Erscheinungsdatum :

    1988


    Format / Umfang :

    52 pages


    Medientyp :

    Report


    Format :

    Keine Angabe


    Sprache :

    Englisch