A numerical procedure was developed for the aerodynamic force and moment analysis of V/STOL aircraft operating in the transition regime between hover and conventional forward flight. The trajectories, cross sectional area variations, and mass entrainment rates of the jets are calculated by the Adler-Baron Jet-in-Crossflow Program. The inviscid effects of the interaction between the jets and airframe on the aerodynamic properties are determined by use of the MCAIR 3-D Subsonic properties are determined by use of the MCAIR 3-D Subsonic Potential Flow Program, a surface panel method. In addition, the MCAIR 3-D Geometry influence Coefficient Program is used to calculate a matrix of partial derivatives that represent the rate of change of the inviscid aerodynamic properties with respect to arbitrary changes in the effective wing shape.


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    Title :

    Aircraft Aerodynamic Prediction Method for V/STOL Transition Including Flow Separation


    Contributors:
    B. R. Gilmer (author) / G. A. Miner (author) / D. R. Bristow (author)

    Publication date :

    1983


    Size :

    93 pages


    Type of media :

    Report


    Type of material :

    No indication


    Language :

    English




    Aircraft aerodynamic prediction method for V/STOL transition including flow separation

    Gilmer, B. R. / Miner, G. A. / Bristow, D. R. | NTRS | 1983


    Aerodynamic Problems of STOL Aircraft

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    Some recent aerodynamic advances in STOL aircraft

    Johnston, G.W. | Engineering Index Backfile | 1965