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Encyclopedia > Cobra probe

A Cobra probe is a device to measure the pressure of a moving fluid. In this kind of instrument, there are two yaw direction tubes which are chamfered and silver soldered symmetrically on the two sides of a pitot tube. It is otherwise similar to the other kinds of yawmeters.


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Pressure (639 words)
The pressure of a moving fluid can be measured using a Pitot probe, or one of its varations such as a Kiel probe or Cobra probe, connected to a manometer.
Depending on where the inlet holes are located on the probe, it can measure static pressure or stagnation pressure.
The force density f (= ∂F/∂V) is equal to the gradient of the pressure: ; if it concerns the gravitational force, the force density is the specific weight.
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