SA-96-06-1 -- Surface Temperatures of Insulated Glazing Units. Infrared Thermography Laboratory Measurements PDF

Data presented for the distribution of surface temperatures on the warm-side of seven different insulated glazing units. Surface temperatures are measured using infrared thermography and an external referencing technique. This technique allows detailed mapping of surface temperatures that is nonintrusive. The glazings were placed between warm and cold environmental chambers that were operated at conditions corresponding to standard design conditions for winter heating. The temperatures were 21degC (70degF) and -17.8degC (0degF) on the warm and cold sides, respectively. Film coefficients varied somewhat, with average conditions of about 7.6W/m2.K (1.34Btu/h.ft2.degF) for the warm side and 28.9W/m2.K (5.1Btu/h.ft2.degF) for the cold side. Surface temperature data are plotted for the vertical distribution along the centreline of the insulated glazing and for the horizontal distribution along the centreline.

KEYWORDS: year 1996, surface temperature, double glazing, insulating window films, measuring, climate chambers, thermophotography, triple glazing, calculating, windows, thermal conductivity, heat flow, condensation, temperature distribution