[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

[TRNSYS-users] About Ntypes 50 and 51 (Uwin and SHGC)



Title: About Ntypes 50 and 51 (Uwin and SHGC)

Hi Trnsys users,

I am trying to import a Window 5 model into TRNSYS but I am a bit struggling because Ntypes 50 and 51 does not give me the same results as Window 5.2.17.a .

As far as I know, Window 5 calculates a global U-value and SHGC regarding to specific environmental conditions (for instance I chose CEN conditions) that I have reproduced in TRNSYS (2 different simulations, one for Uwin, another for g-win).

I imported the DOE2 report as explained in the well known tutorial ( http://sel.me.wisc.edu/trnsys/downloads/tutorials_and_examples/window41/window41.htm) and I also paid attention to using the right coefficients for frame and so on…

I came to the results that Trnsys Uwin is quite the same as Window 5 U-value but the g-value given by TRNSYS is far too small compared to Window 5 's one (SHCG of center of glass).

Has anybody ever done this kind of test ? Can somebody explain the difference I've got in my results ?

If someone's interested in this subject I can easily send a simple model.

Thanks !


Romain Huchedé

--
Les donnees et renseignements contenus dans ce message sont personnels, confidentiels et secrets. Toute publication, utilisation ou diffusion, meme partielle, doit etre autorisee. Si vous n'etes pas le bon destinataire, nous vous demandons de ne pas lire, copier, utiliser ou divulguer cette communication. Nous vous prions de notifier cette erreur a l'expediteur et d'effacer immediatement cette communication de votre systeme.

Any data and information contained in this electronic mail is personal, confidential and secret. Any total or partial publication, use or distribution must be authorized. If you are not the right addressee, we ask you not to read, copy, use or disclose this communication. Please notify this error to the sender and erase at once this communication from your system.