[TRNSYS-users] Change in cooling load with changing aspect ratio

asmin aryal asmin1243 at gmail.com
Mon Jul 27 21:10:08 PDT 2020


Dear all,
I have modeled a building in TRNSYS. I am cooling the building using the
radiant panel on the roof integrated with simple cooling coil and other
heat recovery devices (like enthalpy wheel, round around coil), for
representing the radiant room.

I wanted to see the change in cooling load with change in building aspect
ratio the aspect ratio of the building from 1:1 to 4:1.
The building with 1:1 aspect ratio is 20m * 20 m * 3m and the building with
4:1 aspect ratio is 40m *10m * 3m.  On doing so the cooling load of the
building increased by around 4%.
* In my opinion, the cooling load of the building with aspect ratio of 4:1
from 1:1 should increase more. Why is it just 4%?*
I have attached the model with 4:1 as ew4isto1.zip and 1:1 as EW 1isto1.zip.

*It would be great to get a comment about the way i have used the radiant
chilled ceiling.*
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