[TRNSYS-users] Type 56 help

[Adrien JEZEQUEL - ITF]

Dear Devin,

Your active layer have to be placed between two layers. As written in 
the manual, "the thickness of both layers adjacent to active layer must 
be >= 0.3 * pipe spacing".

Regarding the convective coefficient, you will have to select "internal 
calculation" in "Convective Heat Transfer coefficient of  wall" in 
Type56 wall type manager. This option is available for all type of wall, 
except from back side of external walls.

You may also have a look to the manual for more informations : "TRNSYS 
16 Multizone Building Modelling with Type 56 and TRNBUILD" p 6-44.

Best regards
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	Adrien JEZEQUEL
Simulations Thermiques Dynamiques
*ITF*
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Le 03/04/2011 18:06, Devin Rohan a écrit :
> I'm using TRNSYS version 16 to model a radiant floor heating system 
> for a single office zone/room.  I have 2 questions.
>
> 1) When I try and create a new active layer in Type 56 (multi-zone 
> building), I get the following warning/error message...
>
> *"active layer could not place on first position."*  What does this 
> mean and how can it be fixed?
>
> 2) Is there a better way to model a single zone than Type 56's GUI.  I 
> also want to have the convective heat transfer coefficients calculated 
> internally for every time step (since they depend on the varying 
> surface temperatures), but Type 56 only allows this if the wall is 
> classified as "Internal" and not "External".  How can I account for 
> the varying convective heat transfer coefficients?
>
> Thank you
>
> -- 
> Devin M. Rohan, LEED Green Associate
> Purdue University
> Civil/Architectural Engineering
> drohan at purdue.edu <mailto:drohan at purdue.edu>
>
>
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> TRNSYS-users at cae.wisc.edu
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