12 March 1982 Interpolating R-Values From Thermograms
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Abstract
We have developed a method for measuring R-values for large areas of building envelopes with thermography and contact sensors. The technique entails locating thermal extremes on a building surface with thermography. Contact sensors determine the R-values at these locations. A thermographic map provides the basis from which to interpolate R-values for all other locations within the area surveyed. This paper explains the interpolation technique we employed and demonstrates some of the difficulties of the method. Further experience will define the limitations of the technique more fully.
© (1982) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
S. N. Flanders, S. N. Flanders, S. J. Marshall, S. J. Marshall, } "Interpolating R-Values From Thermograms", Proc. SPIE 0313, Thermal Infrared Sensing Applied to Energy Conservation in Building Envelopes, (12 March 1982); doi: 10.1117/12.932894; https://doi.org/10.1117/12.932894
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