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M00003949
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NY-87-15-3 -- Thermal Performance Measurements of Sealed Insulating Glass Units with Low-E Coating Using a Mobile Field Test Facility
Conference Proceeding by ASHRAE, 1987
J.H. Klems, Ph.D.; H. Keller, Ph.D.
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Using data obtained in a mobile field-test facility, measured performance of clear and low-emissivity double-glazing units is presented for south-facing and north-facing orientations. The changes in U-value and shading coefficient resulting from addition of the low-e coating are found to agree with theoretical expectations for the cold spring test conditions. Accurate nighttime U-values were derived from the data and found to agree with calculations. Expected correlation between U-value and wind speed was not observed in the data; a plausible experimental reason for this is advanced.
Units: Dual
Citation: Symposium, ASHRAE Transactions, 1987, vol. 93, pt. 1, New York, NY