I am simulating single
zone by Trnbuild and Trnsys 17, I define the floor as boundary
and select boundary as identical when
I read the energy from inside surf. of floor conv. to
air and longwave radiation to other surfaces = NTYPE19 the
QCOMI of floor, and Temp. of inside floor, I note that,
for all cases when I
define the ground Temp i.e Input of type 56 by type 77
(ground temp ) or by const value , the QCOMI always keeps
+ve while T sur_in < T zone, i.e the energy transfer
from air zone to floor , but QCOMI must be -ve, Why ?
Any one can help me to Know
what is happen ?
thanks
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Best
Regadrs
Eng.
Ayman Mohamed