Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft

Introduced: September 1968

Last revised: January 2006

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

measuring speed of WIND

8 direct subcodes

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G01P 5/01 by using swirlflowmeter
G01P 5/02 by measuring forces exerted by the fluid on solid bodies, e.g. anemometer
G01P 5/08 by measuring variation of an electric variable directly affected by the flow, e.g. by using dynamo-electric effect
G01P 5/1 by measuring thermal variables
G01P 5/14 by measuring differences of pressure in the fluid
G01P 5/18 by measuring the time taken by the fluid to traverse a fixed distance
G01P 5/24 by measuring the direct influence of the streaming fluid on the properties of a detecting acoustical wave
G01P 5/26 by measuring the direct influence of the streaming fluid on the properties of a detecting optical wave