Pitot tube
Device which measures fluid flow velocity, typically around an aircraft or boat
Pitot tube
A pitot tube ( PEE-toh; also pitot probe) measures stagnation pressure, which together with a measured static pressure, is used to calculate flow velocity. It was invented by French engineer Henri Pitot during his work with aqueducts and published in 1732, and modified to its modern form in 1858 by Henry Darcy. It is widely used to determine the airspeed of aircraft; the water speed of boats; and the flow velocity of liquids, air, and gases in industry.
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