Re: [EnergyPlus_Support] Thermal Zone Geometry

[Rahul Chillar <chillarrahul@xxxxxxxxx>]

hello,
 
if you need to capture the effect of zone volume better you should use inside dimensions, if you need to capture outside enviornment effect like solar , you should use outside dimensions.
E+ does not have wall thickness parameter and it will not subract the wall thickness from the zone dimension. you could take an average of the two possibly. 
 
I also think that if you have 2 meter thick walls you could have conduction heat transfer function problems in simulation, although that would depend on wall thermal properties too.
 
thanks
Rahul Chillar 

ccastano@xxxxxxxxx wrote:




Hi,

We are working with an example of a building. We have a doubt with the
geometry of the zone. We do not know if the X,Y,Z coordinates of each wall
are referred to internal or external side of the surface. In our case we
have a wall of 2 meters of thickness and we do not know how to define the
coordinates, referring them to the external or internal side.



Best regards,
Cristina.





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