Quick wing tip vortex weakening apparatus
A wingtip vortex, fast technology, applied in the directions of wings, transportation and packaging, aircraft parts, etc., can solve problems such as flight safety hazards, and achieve the effects of accelerated dissipation, stable operation, and convenient maintenance.
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[0010] Such as figure 1 As shown, a fast weakening device for wingtip vortex is the trailing edge sawtooth structure 2 of the winglet 1 of the fixed-wing aircraft wing. The side high-speed airflow and low-speed airflow quickly mix after passing through the sawtooth device, and the wingtip vortex formed by the airflow is broken into small-scale vortices 3, which can be quickly dissipated to achieve the purpose of quickly weakening the wingtip vortex. The device can be made of rigid, elastic or flexible material.
[0011] The invention carries out numerical simulation on the vortex behind the winglet, and can carry out numerical research on the wingtip vortex problem of the winglet by solving the compressible Navier-Stokes equation.
[0012] For the model equation
[0013] ∂ U ∂ t + ∂ F ∂ x ...
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