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WAKE TURBULENCE CONTROL
Airbus Fly Your Ideas 2017
Wake turbulence is a serious problem in airport operations as it compromises the smaller aircraft’s safety when it lands behind a large aircraft. It also increases the separation distance between two consecutive landings, which reduces operational efficiency. We want to reduce the time required for the wing tip vortices to get dissipated during the landing phase by breaking larger eddies into smaller eddies. Dissipating them after they have formed is very challenging, therefore we intend to modify them at the location where they generate. We aim to accomplish this with a combination of active and passive flow control devices. Active flow control will be achieved with an oscillating water jet at the winglet, which will be activated during landing. The water jet will trigger instability and increase the turbulence at the core of the vortex, hence breaking it. Passive flow control will be achieved with turbulators at the wingtips. These retractable turbulators trigger a multiple vortex system whose rotational directions can be tailored to the profiles and inclinations of the turbulators, such that it is unstable. We would be using machine learning to train the water sprayer for efficient breaking of the vortex. The optimum profile of the turbulators will also be determined by coupling cfd solver and AI.
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