Apparatus and method for heat flow measurement

Details Apparatus and method for heat flow measurement Apparatus and method for heat flow measurement

G - Physics

01

K

73/65, 73/0.5

G01K 17/00 (2006.01) G01K 17/20 (2006.01) G01N 25/18 (2006.01)

Patent

CA 1219462

ABSTRACT A method for accurate, on site heat flow measurement through a substrate surface using surface mounted heat flow sensors and an apparatus for on site calibration of surface mounted heat flow sensors are presented. The method comprises mounting on the substrate surface a heat flow sensor which is calibrated to establish the relationship between heat flow through the surface and the resultant induced voltage in the sensor under the convective and radiative heat transfer environmental conditions of the surface, measuring the voltage output induced in the sensor by heat flow through the surface, and converting the voltage output to a quantitative heat flow on the basis of the calibration of the sensor. The apparatus of the invention permits the calibration of the sensors under convective and radiative heat transfer environmental conditions which substantially duplicate those of the experimental substrate.

461124

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