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Pu, I can imagine some configurations of nine airnodes that might
not result in getting same value of SQCOOL as QCOOL when those
nine airnodes are combined into one especially as concerns
radiation exchange between the surfaces. I would suggest you send
your *.tpf and *.b18 to your distributor so that they can check to
see if there is not some assumption difference that is causing the
results that you are seeing. It might be worth reading a bit in the Type56/TRNBuild
documentation about GEOSURF. That variable specifies the fraction
of beam radiation entering a zone that falls on each surface of
the zone. I am not very familiar with the details of how the
default value of GEOSURF is determined. It is of course a function
of the building geometry and not something that should be modified
in order to bring the results of one model closer to those of
another. kind regards, David
On 07/01/2022 21:54, Huijie Pu via
TRNSYS-users wrote:
-- *************************** David BRADLEY Principal Thermal Energy System Specialists, LLC 3 North Pinckney Street - suite 202 Madison, WI 53703 USA P:+1.608.274.2577 d.bradley@tess-inc.com http://www.tess-inc.com http://www.trnsys.com |