[TRNSYS-users] overhang
David BRADLEY
d.bradley at tess-inc.com
Wed Jun 13 09:10:52 PDT 2012
Leen,
If you are using Trnsys17 and Trnsys3D, this is fairly
straightforward. You would add a shading device to the Trnsys3D model
and Type56 would automatically assess its impact provided that you ask
TRNBuild to generate the shading mask. If you are using Trnsys16 or want
to rely on Type34, what I would suggest is that you define approximately
three Type34s. Define each one's aperture to be the height of the facade
and about 1/3 its length. For simplicity, pretend that the total facade
is 100m long and that the overhang projects 1m. One Type34 will have a
66.6m left overhang extension and a 0m right overhang extension. The
second Type34 will have a 33.3m left overhang extension and a 33.3m
right overhang extension. The last one will have a 0m left extension and
a 66.6m right extension. All three will have a 1m projection. I would
then take the solar radiation computed by those Type34s and pass it to
the Type56 facades. Bear in mind that you will have to break the Type56
facade up into three parts and you will have to assign each part its own
"orientation" not because they face different directions but because
Type56 associates orientations with a unique amount of solar radiation
falling on a surface.
Of course if you don't think that three pieces is enough precision,
you can break the facade up into more pieces.
Best,
david
On 6/11/2012 03:09, leen peeters wrote:
> Dear,
> I am building a large mall, whcih has an overhang along the front
> side. The overhang covers several shops and is the facade has windows
> and plain walls.
> Any suggestions?
> Thanks,
> Leen
>
>
> _______________________________________________
> TRNSYS-users mailing list
> TRNSYS-users at cae.wisc.edu
> https://mailman.cae.wisc.edu/listinfo/trnsys-users
--
***************************
David BRADLEY
Principal
Thermal Energy Systems Specialists, LLC
22 North Carroll Street - suite 370
Madison, WI 53703 USA
P:+1.608.274.2577
F:+1.608.278.1475
d.bradley at tess-inc.com
http://www.tess-inc.com
http://www.trnsys.com
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