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leading-edge vortex

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  • Leading edge extension — Leading edge extensions or LEX (also referred to as leading edge root extensions or LERX or strakes or chines ) are fillets added to the front of a modern fighter aircraft s wings in order to provide usable airflow at high angles of attack. They… …   Wikipedia

  • Leading edge — The leading edge is a line connecting the forward most points of a wing s profile. In other words, it s the front edge of the wing. When an aircraft is moving forward, the leading edge is that part of the wing that first contacts the air.Crane,… …   Wikipedia

  • edge vortex — An airflow that lies midway between a steady streamline flow and an unsteady flow. The flow separates at sharp leading edges as a result of the boundary layer effect but does not break down into a turbulent airflow. Instead strong vortices are… …   Aviation dictionary

  • Vortex lift — is a form of lift generated by delta wings operating at high angles of attack. How it worksVortex lift works by capturing vortices generated from the sharply swept leading edge of the wing. The vortex, formed roughly parallel to the leading edge… …   Wikipedia

  • Vortex generator — A vortex generator is an aerodynamic surface, consisting of a small vane that creates a vortex.Peppler, I.L.: From The Ground Up , page 23. Aviation Publishers Co. Limited, Ottawa Ontario, Twenty Seventh Revised Edition, 1996. ISBN 09690054 9 0]… …   Wikipedia

  • Vortex ring — A vortex ring, also called a toroidal vortex, is a region of rotating fluid moving through the same or different fluid where the flow pattern takes on a doughnut shape. The movement of the fluid is about the poloidal or circular axis of the… …   Wikipedia

  • engine air-inlet vortex destroyer — A small jetstream directed downward from the leading edge of the nose cowl to the ground to destroy the swirling vortex base. When gas turbine engines are operating on the ground, an engine air inlet vortex can sometimes form between the engine… …   Aviation dictionary

  • Starting vortex — The starting vortex is a vortex which forms in the air adjacent to the trailing edge of an airfoil as it is accelerated from rest in a fluid. [Clancy, L.J., Aerodynamics , Figure 4.7] It leaves the airfoil (which now has an equal but opposite… …   Wikipedia

  • The Edge Chronicles —   Author(s) Paul Stewart Ill …   Wikipedia

  • Insect wing — Original veins and wing posture of a dragonfly. Hoverflies hovering to mate …   Wikipedia

  • Insect flight — Insects are the only group of invertebrates known to have evolved flight. Insects possess some remarkable flight characteristics and abilities, still far superior to attempts by humans to replicate their capabilities. Even our understanding of… …   Wikipedia

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