[TRNSYS-users] Thermal mass is not considered in Type 56 simulation!!

hotline hotline at Transsolar.com
Thu Jul 17 01:40:35 PDT 2014

Dear Mehrdad,

TYPE 56 considers thermal masses. I can imagine that you've set a high ventilation rates.
If so, you might compare the surface temperatures or the operative temperature instead.



Jochen Lam
TRNSYS Software Team

Transsolar Energietechnik GmbH
Curiestraße 2
70563 Stuttgart
Fax:        +49 711 67976-11
Email:    jlam at transsolar.com<mailto:jlam at transsolar.com>
Web:      www.trnsys.de<http://www.trnsys.de/>

Von: TRNSYS-users [mailto:trnsys-users-bounces at lists.onebuilding.org] Im Auftrag von Mehrdad Farshchimonfared
Gesendet: Mittwoch, 16. Juli 2014 06:12
An: trnsys-users at cae.wisc.edu
Betreff: [TRNSYS-users] Thermal mass is not considered in Type 56 simulation!!

Dear Trnsys users,

I have modelled a residential building with different building components (including different thermal masses) using Trnsys 3d, Type 56 . The simulation results show no thermal lag between hourly inside air temperature of each zone even if, the heavy materials are used. It is weird as it seems that Trnsys does not take into account the thermal mass of walls, floors and etc.

Have you come across with this problem previously?

If  yes, I wonder if you could please let me know how to resolve this issue as soon as possible.

Kind Regards
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