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AW: Window frame

Title: Nachricht
Hello Helmi,
 
the frame fraction defined in Prebid (Type56) is used in the calculation with regard to glazing/opaque area (solar gains) and u-value calculation (u-Value frame / u-value of glazing). The fframe-coefficient can be defined as an input and hence be altered during the simulation.
 
The dimensions of the window (width/height) and the kind of spacer is defined in windows4.1 - this one is fix and cannot be changed within Prebid in 14.2.
This is possible in TRNSYS15.
Based on the window dimensions and kind of spacer  the u-value of the glazing w/o frame is calculated (edge corrected).
 
kind regards,
 
Matthias R.
 
 
-----Ursprüngliche Nachricht-----
Von: helmi [mailto:helmi_rjb@yahoo.fr]
Gesendet: Samstag, 8. November 2003 10:46
An: trnsys group
Betreff: Window frame

Hi TRNSYS user

My question is about the definition of the windows frame. I’m using TRNSYS 14.2. The characteristics of the frame (i.e. dimension and u-value) are defined in two places: in Prebid (area frame/window area and u-value) and using LNBL Window software to add a new window to the library. Which characteristics will be considered by TRNSYS, those defined in Prebid or those in Window?

If only the window library is considered, is it possible to vary these characteristics according to time?

Thank you in advance

Best regards,



Ing. Helmi Ben Rejeb
Ecole Nationale d'Ingénieurs de Tunis, BP 37, Le belvédère, 1002 Tunis, Tunisia.


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