Using data obtained in a mobile field-test facility, measured performance of clearsand low-emissivity double-glazing units is presented for south-facing and north-facingsorientations. The changes in U-value and shading coefficient resultingsfrom addition of the low-E coating are found to agree with theoretical expectationssfor the cold spring test conditions. Accurate nighttime U-values weresderived from the data and found to agree with calculations. Expected correlationsbetween U-value and wind speed was not observed in the data; a plausible experimentalsreason for this is advanced.
BT - ASHRAE Winter Meeting, Symposium on Fenestration Performance C1 -Windows and Daylighting Group
C2 - LBL-21583 CN - LBL-21583 CY - New York City, NY DA - 01/1987 LA - eng N2 -Using data obtained in a mobile field-test facility, measured performance of clearsand low-emissivity double-glazing units is presented for south-facing and north-facingsorientations. The changes in U-value and shading coefficient resultingsfrom addition of the low-E coating are found to agree with theoretical expectationssfor the cold spring test conditions. Accurate nighttime U-values weresderived from the data and found to agree with calculations. Expected correlationsbetween U-value and wind speed was not observed in the data; a plausible experimentalsreason for this is advanced.
PP - New York City, NY PY - 1987 T2 - ASHRAE Winter Meeting, Symposium on Fenestration Performance T3 - ASHRAE Winter Meeting, Symposium on Fenestration Performance TI - Thermal Performance Measurements of Sealed Insulating Glass Units with Low-E Coatings Using the MoWitt Field Test Facility ER -