vector wind difference

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• Wind shear — Wind shear, sometimes referred to as windshear or wind gradient, is a difference in wind speed and direction over a relatively short distance in the atmosphere. Wind shear can be broken down into vertical and horizontal components, with… …   Wikipedia

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• resultant air velocity vector — the vector difference of the ambient wind velocity vector and the projection of the velocity vector of the vehicle on the x y plane …   Mechanics glossary

• thermal wind — The notional vector difference between winds at different heights caused by the variation in the near horizontal temperature in the layer of atmosphere between those two levels …   Aviation dictionary

• navigation — navigational, adj. /nav i gay sheuhn/, n. 1. the act or process of navigating. 2. the art or science of plotting, ascertaining, or directing the course of a ship, aircraft, or guided missile. [1520 30; < L navigation (s. of navigatio) a voyage.… …   Universalium

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