Active thermal isolation for temperature responsive sensors

Details Active thermal isolation for temperature responsive sensors Active thermal isolation for temperature responsive sensors

1994-01-18

1994-09-27

Woodiel, Donald

Measuring and testing

Wind tunnel: aerodynamic wing and propeller study

7320418, G01F 168, G01M 900

Patent

active

053498518

ABSTRACT:
A temperature responsive sensor is located in the airflow over the specified surface of a body and is maintained at a constant temperature. An active thermal isolator is located between this temperature responsive sensor and the specified surface of the body. The temperature of this isolator is controlled to reduce conductive heat flow from the temperature responsive sensor to the body. This temperature control includes (1) operating the isolator at the same temperature as the constant temperature of the sensor and (2) establishing a fixed boundary temperature which is either (a) less than or equal to or (b) slightly greater than the sensor constant temperature.

REFERENCES:
patent: 4283944 (1981-08-01), Gruner et al.
patent: 5311772 (1994-05-01), Martinson et al.

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