Flowmeter of hot wire type

Details Flowmeter of hot wire type Flowmeter of hot wire type

1979-07-31

1982-04-27

Goldstein, Herbert

Measuring and testing

Volume or rate of flow

Thermal type

338 25, 338267, G01F 168

Patent

active

043264123

ABSTRACT:
The flow rate is determined from the heat transferred from an electrically heated wire stretched in a fluid flow to the fluid. The wire is placed not on a plane normal to the flow but within a section of the fluid passage bounded by two spaced planes normal to the flow. Preferably the wire is composed of series of line segments which are distributed evenly not only around the central axis of the passage but also in the direction of the flow so that the heat release from the wire in its entirety corresponds to the mean value of fluid velocities at various points.

REFERENCES:
patent: 2319516 (1943-05-01), Phelps
patent: 2412471 (1946-12-01), Olson
patent: 2650496 (1953-09-01), Middleton
patent: 2981104 (1961-04-01), Auger et al.
patent: 3251225 (1966-05-01), Luft
patent: 3971247 (1976-07-01), Rodder

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