Measurement of bi-directional photometric properties of advanced glazing based on digital imaging techniques

Many daylighting applications require a precise knowledge of the transmission properties of fenestration materials, called bi-directional transmission distribution functions (BTDF), which necessitate systematic and accurate measurements. A new type of bi-directional photogoniometer, based on advanced imaging techniques, has been developed to this end; its mechanical concept, the calibration procedures and the first results are presented here.


Presented at:
CISBAT'99 - International Conference on Solar Energy in Buildings, EPFL, Lausanne, September 22-23, 1999
Year:
1999
Keywords:
Note:
oral
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 Record created 2010-10-25, last modified 2018-03-18

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