Dear
Karol,
You can't modify geometry in trnbuild if detailed radiation model are selected, that's why coldbridges can't be modified.
You can integrate coldbridges in wall u-value definition :
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Le 04/07/2012 11:34, Karol Bandurski a écrit :
You can't modify geometry in trnbuild if detailed radiation model are selected, that's why coldbridges can't be modified.
You can integrate coldbridges in wall u-value definition :
- Uvalue = (Uwall*Area + Coldbridge_1 x L_1 + Coldbridge_2 x
L_2 + ... + Coldbridge_i x L_i)/Area
For windows, you can do the same and include coldbridges in Uw
value (modify c-value)
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Dear All, Could somebody explain me how to model cold bridge effect? Building, which I model, have balcony. So, I go to zone which is directly connect with balcony, highlight exterior wall where balcony hangs and what data should I put? There is resistance of connection wall-balcony or whole wall taking into account this connection? The same question is to other parameters? After I accept cold bridge windows I cannot set cold bridge dimension because it is blocked (gray)... Why? Thank in advance for your time!!! Regards, ------------------------------------------------ Karol Bandurski MSc. Institute of Environmental Engineering Poznan University of Technology www.ee.put.poznan.pl www.put.poznan.pl _______________________________________________ TRNSYS-users mailing list TRNSYS-users@cae.wisc.edu https://mailman.cae.wisc.edu/listinfo/trnsys-users