[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

Re: [TRNSYS-users] timebase and timestep for thin wall

Dear Claude,
I may want to try replacing the definition of the very thin walls from a normal wall to a massless wall. By doing this, you will enter the corresponding thermal resistance for your wall. Type56's manual indicates that a massless layer should be used in very thin layer where the thermal mass can be neglected. 
Best regards,

Diego


douglas mvuama massamba wrote:

Hello

In our project we calculate heat demand in hothouse
for growing bananas.
We have projected this hothouse in TRNSYS 16 as cuboid
with plastic walls (thickness 0.001m; qualities
materials for polythene).

However our program does not work. Error which appears
is error(639: output conversion error.

In the list, the message is “outside temperature of
2(external) walls in zone 1 at time not converged”. The timestep is 0.01 hr (Simulation Studio) 
The timebase is 0.01 hr (Trnbuild)
Anyone can help me to solve this problem 

With regards

Claude Mvuama
Dpto. de Máquinas y Motores Térmicos Escuela Técnica Superior de Ingeniería de Bilbao 
Universidad del País Vasco
España
___________________________________________________________________________ Yahoo! Mail réinvente le mail ! Découvrez le nouveau Yahoo! Mail et son interface révolutionnaire. 
http://fr.mail.yahoo.com
_______________________________________________
TRNSYS-users mailing list
TRNSYS-users@engr.wisc.edu
https://www.cae.wisc.edu/mailman/listinfo/trnsys-users



--

Diego A. Arias
TRNSYS Coordinator
Solar Energy Laboratory
University of Wisconsin - Madison
1500 Engineering Drive
Madison, WI 53706