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单词 Impact tube
释义

Impact tube

英语百科

Pitot tube

Aircraft use pitot tubes to measure airspeed. The example, from an Airbus A380, combines a pitot tube (right) with a static port and an angle-of-attack vane (left). Air-flow is right to left.
Types of pitot tubes
Pitot tube on Kamov Ka-26 helicopter
Pitot tube from an F/A-18

A pitot (/ˈpt/ PEE-toh) tube is a pressure measurement instrument used to measure fluid flow velocity. The pitot tube was invented by the French engineer Henri Pitot in the early 18th century and was modified to its modern form in the mid-19th century by French scientist Henry Darcy. It is widely used to determine the airspeed of an aircraft, water speed of a boat, and to measure liquid, air and gas flow velocities in industrial applications. The pitot tube is used to measure the local flow velocity at a given point in the flow stream and not the average flow velocity in the pipe or conduit.

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更新时间:2025/6/17 18:16:04