[TRNSYS-users] Modelling of a flat below the ground
David BRADLEY
d.bradley at tess-inc.com
Fri Feb 26 06:03:53 PST 2021
Toni,
You do not need to draw the cellar below the 0 level in SketchUp. You
will need to specify in SketchUp/Trnsys3d that your cellar walls and
floor are BOUNDARY walls and choose a variable name for the temperature
on the outside of those surfaces.
kind regards,
David
On 02/26/2021 05:04, Toni Calabrese via TRNSYS-users wrote:
>
> Hi,
>
> I have a question. I am modelling a MFH in SketchUp and I need to
> model the cellar. The cellar is (of course) below the ground, but I do
> not understand how Trnsys will recognize that the cellar is below the
> ground (i.e. not directly hit by the solar radiation). Here my questions:
>
> 1)Need I to draw the cellar below the "0" level in SketchUp? In
> SketchUp "-1m" means that I am drawing a flat 1 m below the ground?
>
> 2)Or need I simply to specify in TRNBUILD that the wall is a boundary
> wall (T ground) and automatically TRNSYS recognize that the wall is
> not hit by the solar radiation?
>
> Thanks a lot and a nice afternoon.
>
> ------------------------------------------------------------------------
>
> *Toni Calabrese*, MSc.
>
> Wissenschaftlicher Projektleiter
>
> toni.calabrese at spf.ch <mailto:toni.calabrese at spf.ch>
> |toni.calabrese at ost.ch <mailto:toni.calabrese at ost.ch>
>
> T +41 58 257 4827
>
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>
> OST – Ostschweizer Fachhochschule
>
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>
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>
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>
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>
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>
> Jetzt hier
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--
***************************
David BRADLEY
Principal
Thermal Energy Systems Specialists, LLC
3 North Pinckney Street - suite 202
Madison, WI 53703 USA
P:+1.608.274.2577
d.bradley at tess-inc.com
http://www.tess-inc.com
http://www.trnsys.com
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