The identification of a new fast variable for three-dimensional flight dynamics is discussed. It is shown that the variable gives a value of the flightpath angle which is consistent with the velocity-altitude state equations and that the accuracy of single-perturbation analyses is increased by decreasing the magnitude of boundary-layer corrections. The values of the flightpath angle along the three-dimensional energy-state extremal are found to be lower by approximately an order of magnitude than those along the two-dimensional energy-state solution.


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    Title :

    Slow and fast state variables for three-dimensional flight dynamics


    Contributors:
    Ardema, M. (author) / Rajan, N. (author)


    Publication date :

    1985-08-01



    Type of media :

    Miscellaneous


    Type of material :

    No indication


    Language :

    English