Hot foil transducer skin friction sensor

Details Hot foil transducer skin friction sensor Hot foil transducer skin friction sensor

1980-08-14

1982-02-23

Albritton, C. L.

Electrical resistors

Resistance value responsive to a condition

Ambient temperature

29613, 338275, 338 28, H01C 702

Patent

active

043171028

ABSTRACT:
An improved hot wire transducer skin friction sensor 10 and 19. The device utilizes foil transducers 11 and 18 with only one edge exposed to the fluid flow. The surface 28 and 31 are polished producing a foil transducer 11 and 18 that does not generate turbulence while sufficiently thick to carry the required electrical current for high temperature fluid flow. The assembly utilized a precut layered metal sandwich 20 with attached electrodes eliminating a need for welding and individual sensor calibration.

REFERENCES:
patent: 2928037 (1960-03-01), Lawrence
patent: 3352154 (1967-11-01), Djorup
patent: 3438027 (1969-04-01), Silvius
patent: 3490283 (1970-01-01), Vidal et al.
patent: 3677085 (1972-07-01), Hayakawa

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