[TRNSYS-users] Question about TRNBUILD

Marion Hiller Hiller at Transsolar.com
Thu Jun 5 00:06:04 PDT 2014


with the wall category „INTERNAL“ you have to be very carful.
This option can only be applied for symmetric walls with respect to constructions, convection etc.
In Trnbuild, you have to enter BOTH sides!  If the floor is 5 m * 3 m then you enter 30 m² as area.

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This is the case because the wall is calculated “only half” .

For “ADJACENT” surfaces you enter the area of one side only.


Dipl.-Ing. Marion Hiller

Transsolar Energietechnik GmbH
Curiestraße 2
70563 Stuttgart
Telefon: +49 711 67976-0

Transsolar: KlimaEngineering- Technologien für energieeffizientes Bauen und Nutzerkomfort in Gebäuden
Stuttgart – München – New York – Paris
Geschäftsführer :Diplom-Ingenieur Matthias Schuler, Diplom-Ingenieur Thomas Auer, Diplom-Physiker Stefan Holst, Diplom-Betriebswirt Dieter Schnelle
Eingetragen beim Amtsgericht Stuttgart HRB 23347,
Steuernummer: 99073/00911,USt-IdNr.: DE 152272639

Von: trnsys-users-bounces at cae.wisc.edu [mailto:trnsys-users-bounces at cae.wisc.edu] Im Auftrag von Pauline GELIN
Gesendet: Mittwoch, 4. Juni 2014 08:42
An: trnsys-users (trnsys-users at cae.wisc.edu)
Betreff: [TRNSYS-users] Question about TRNBUILD


I have a small question regarding the inclusion of internal surfaces in a zone of ​​TRNBUILD: should we count twice the area of exchange of, for example, an intermediate floor concrete?

Until now, I did not do it because I thought like it was defined as internal it was integrated. And if I counted twice the area I also counted twice the inertia that would be wrong.

Am I right or wrong?

Thanks in advance for your answers.

Best regards,


Pauline GELIN
Ingénieur Conception environnementale

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T :

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