Thermal measuring and testing – Thermal calibration system
Patent
1983-12-07
1985-11-19
Frankfort, Charles
Thermal measuring and testing
Thermal calibration system
374 30, 374 10, 374 43, G01K 1700
Patent
active
045538522
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.
REFERENCES:
patent: 3045473 (1959-03-01), Hager, Jr.
patent: 3194071 (1965-07-01), Hager, Jr.
patent: 4198859 (1980-04-01), Holtermann
Publication of H. F. Poppendiek "Why Not Measure Heat Flux Directly?", Environmental Quarterly, vol. 15, No. 1, Mar. 1969.
The Design and Construction of a Calibrated/Guarded Hot Box Facility, presented by E. L. Perrine et al. at the ASHRAE/DOE-ORNL Conference, Dec. 3, 1979.
Publication of S. N. Flanders et al., "In Situ Measurements of Masonry Wall Thermal Resistance", presented at the ASHRAE Annual Convention, Houston, Texas, on Jan. 24, 1982.
Publication of W. C. Brown et al., "In Situ Measurements of Frame Wall Thermal Resistance", presented at ASHRAE Annual Convention, Houston, Texas on Jan. 24, 1982.
The publication of Orlandi et al., "A Field Thermal Measurement Technique for Building Envelopes", presented at the ASHRAE/DOE Conference on Thermal Performance of the Exterior Envelope of Buildings II, Las Vegas, Nevada, on Dec. 8, 1982.
Derderian Gregory
Orlandi Robert D.
Shu Larry S.
Siadat Bahram
Baker William L.
Frankfort Charles
W. R. Grace & Co.
Wasatonic John J.
Will Thomas B.
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