|Title||Average Transmittance Factors for Multiple Glazed Window Systems|
|Publication Type||Conference Paper|
|Year of Publication||1979|
|Authors||Stephen E Selkowitz, Michael D Rubin, Richard Creswick|
|Conference Name||4th National Passive Solar Conference|
Multiple glazing is the most common static method of improving the insulating properties of windows. For simplified calculations of solar heat gain a single value for transmittance is chosen, usually the normal transmittance. Whenever such a method is applied, the normal transmittance should be replaced by an averaged value which takes into account the daily and seasonal variations of weather and the angle of incidence.
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