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Aircraft use pitot tubes to measure airspeed. This 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.
Pitot pressure is the pressure that can be measured by a Pitot tube, with an open-ended tube facing into the oncoming fluid with the other end closed off.The stationary fluid can be connected to a pressure-measuring device, or used in various devices.
Examples of pitot tube, static tube, and pitot–static tube Static ports fitted to an Airbus A330 passenger airliner. The pitot–static system of instruments uses the principle of air pressure gradient. It works by measuring pressures or pressure differences and using these values to assess the speed and altitude. [1]
The pitot-static system comprises one or more pitot probes (or tubes) facing the on-coming air flow to measure pitot pressure (also called stagnation, total or ram pressure) and one or more static ports to measure the static pressure in the air flow. These two pressures are compared by the ASI to give an IAS reading.
A pitot tube is used to measure fluid flow velocity. The tube is pointed into the flow and the difference between the stagnation pressure at the tip of the probe and the static pressure at its side is measured, yielding the dynamic pressure from which the fluid velocity is calculated using Bernoulli's equation. A volumetric rate of flow may be ...
The Annubar primary element is an averaging Pitot tube manufactured by Rosemount Inc. [1] used to measure the flow of fluid in a pipe. A Pitot tube measures the difference between the static pressure and the flowing pressure of the media in the pipe.