[TRNSYS-users] Surface Temperature

[David BRADLEY]

Elise,

  There are a lot of things that could cause this behavior. If the 
building is sitting on the ground, the most likely problem is that the 
ground temperature under the building is (incorrectly) set to 0C. In any 
case I cannot think of a physical reason why this would happen so my 
guess is that there is an incorrect assumption or connection. If you 
aren't able to find the cause then perhaps your Trnsys distributor can 
assist.

kind regards,

  David



On 07/16/2018 06:39, Elise BERNARD via TRNSYS-users wrote:
>
> Hi,
>
> Does anybody have any idea to solve my problem ?
>
> Elise Bernard
>
> *De :*Elise BERNARD
> *Envoyé :* mercredi 27 juin 2018 12:33
> *À :* 'TRNSYS users mailing list at OneBuilding.org' 
> <trnsys-users at lists.onebuilding.org>
> *Objet :* [TRNSYS-users] Ssurface Temperature
>
> Hi,
>
> I use TRNSYS to model an office building (new construction, good 
> insulation) and check the comfort inside.
>
> I would like to verify the surface temperature of the floor of each 
> zone. So I use the build surface outputs 17 TSI and 18 TSO.
>
> The set temperatures are 20°C during the day and 16°C during the night.
>
> The surface temperature of the floor seems to be very low sometimes : 
> 2°C or 3°C below the set temperature.
>
> I already checked the ventilation, infiltration, heat temperature, 
> temperature of zones nearby.
>
> Did you already observe this kind of results ? Do you know why ?
>
> Thanks
>
> Elise Bernard
>
>
>
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> TRNSYS-users at lists.onebuilding.org
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-- 
***************************
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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