Improving wind tunnel “1-cos” gust profiles

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SUMMARY

    Desired gust Vane rotation 1-cos Vane rotation from tf AoA Article in Advance Time Fig 22 Comparison desired gust profile at 9 Hz, gust obtained from "1cos" vane rotation, and gust obtained from motor rotation obtained from the inverse transfer function. Based on the shape of the gust, the proposed method can create discrete gust for all values of k for vane rotation amplitudes of 5, 10, and 15°, whereas for k ≥ 0.28 it can create discrete gust for vane rotation amplitude of 20°. Indeed, Figs 28 and 29 show the frequency . . .

     

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