[TRNSYS-users] Ssurface Temperature

Marion Hiller Hiller at Transsolar.com
Wed Jun 27 03:47:07 PDT 2018

Hi Elise,

I assume that your floor is defined as a boundary surface.
Check the defined boundary temperature of the floor. IT might be set to 0.


Von: TRNSYS-users [mailto:trnsys-users-bounces at lists.onebuilding.org] Im Auftrag von Elise BERNARD via TRNSYS-users
Gesendet: Mittwoch, 27. Juni 2018 12:33
An: TRNSYS users mailing list at OneBuilding.org <trnsys-users at lists.onebuilding.org>
Cc: Elise BERNARD <e.bernard at katene.fr>
Betreff: [TRNSYS-users] Ssurface Temperature


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 ?


Elise Bernard
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