2020
DOI: 10.25205/2541-9447-2020-15-2-61-72
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Investigation of the Flow behind the Roughness Element on the UAV Surface at a Favorable Pressure Gradient

Abstract: In a wind tunnel of low subsonic speeds, an experimental study was conducted of the windward flow of a trapezoidal model of a flying wing (UAV) with a locally installed perturbation generator in the region of maximum susceptibility on its surface. The generator was a three-dimensional roughness element whose height was comparable to the thickness of the boundary layer. The uniqueness of the work was that the experiments were carried out in a wind tunnel at real flight Reynolds numbers on a UAV model at a scal… Show more

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