by measuring the time taken by the fluid to traverse a fixed distance

Introduced: September 1968

Last revised: January 2006

Full Title

Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft > by measuring the time taken by the fluid to traverse a fixed distance

Classification Context

Section:: PHYSICS
Class:: MEASURING; TESTING
Subclass:: MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION OR SHOCK; INDICATING PRESENCE OR ABSENCE OF MOVEMENT; INDICATING DIRECTION OF MOVEMENT

2 direct subcodes

Child Classifications

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G01P 5/2 using particles entrained by a fluid stream
G01P 5/22 using auto-correlation or cross-correlation detection means