Simplified correction of g-value measurements: Example with solar control DGU (Ipasol Natura 66/34).

Karsten Duer

    Research output: Book/ReportReport

    Abstract

    A double glazed unit (Ipasol Natura 66/34) has been investigated in the Danish experimental setup METSET. The corrections of the experimental data are very important for the investigated sample as it shows significant spectral selectivity. In (Duer, 1998) and in (Platzer, 1998) the corrections have been carried out using a detailed physical model based on ISO9050 and prEN410 but using polarized data for non-normal incidence. This model is only valid for plane, clear glazings and therefor not suited for corrections of measurements performed on complex glazings. To investigate a more general correction procedure the results from the measurements on the Interpane DGU have been corrected using the principle outlined in (Rosenfeld, 1996). This correction procedure is more general as corrections can be carried out without a correct physical model of the investigated glazing. On the other hand the way this “general” correction procedure is used is not always in accordance to the physical conditions.
    Original languageEnglish
    Number of pages7
    Publication statusPublished - 1998

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