Directional thermal anemometer transducer

Details Directional thermal anemometer transducer Directional thermal anemometer transducer

1989-10-19

1990-06-26

Goldstein, Herbert

Measuring and testing

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Leeway incidence or side-slip

7320421, G01F 168, G01P 512

Patent

active

049361449

ABSTRACT:
The directional thermal anemometer transducer includes an electrically non-conducting substrate having at least two areas substantially thermally isolated from one another covered with a resistive sensing conductor, the conductor extending only within the region of connected flow over the transducer. The resistive sensing conductors can be of metal film or resistive material which exhibits a change in its electrical resistance as a function of temperature. Barrier plates mounted at each end and perpendicular to the longitudinal axis of the transducer interferes with flow parallel to the transducer in order to create wake turbulence behind the plates.

REFERENCES:
patent: 3927567 (1975-12-01), Novak et al.
patent: 4448070 (1984-05-01), Ohyama et al.
Bearman, "Investigation of the Flow Behind a Two-Dimensional Model with a Blunt Trailing Edge & Fitted with Splitter Plates" in Journal of Fluid Mechanics, 1965, vol. 21, pp. 241-255.

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