[TRNSYS-users] modelling a veranda

[Enertech <sidler@club-internet.fr>]

Dear TRNSYS Users,
 
I would like to simulate a veranda in a building with trnbuild. So, I use
two zones : my home and my veranda, and I define a window between these
two zones. Trnbuild asks me an orientation for my window. To my mind,
even if my window is oriented to west, I should define another
orientation (not the same ?west? that the external window of the
veranda). In TRNSYS Studio, I don't link any solar radiation to this
orientation. I think my internal window don't receive any direct solar
radiation but only indirect solar radiation through the external window
of the veranda. I think I have to use GEOSURF coefficient for this
purpose. Do I thinking right ?
 
For me, GEOSURF coefficient depends on the position of the sun and masks
in front of the window. So I have to use this coefficient as an input and
to calculate it somewhere. It is a little bit complex to calculate it
precisely. Is there a model to do it ? Is there a simplest method to
model a veranda ? Do you think my method is OK ?
 
Thanks for your answers,
Kind regards,
Christophe.

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ENERTECH
F-26160 FELINES SUR RIMANDOULE
tel-fax : 04 75 90 18 54
Email : sidler@club-internet.fr
Web  : http://sidler.club.fr
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