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[TRNSYS-users] active wall transfer functions
Dear all,
I'm modeling a radiant ceiling as an active wall in type 56.
In the corresponding inf file two transfer functions are generated
for the single active wall, as you can see below.
Beside this, there are also two U values. What does it mean? Is the
active wall split into two parts?
Thank you for any suggestions.
Adriana
---------- WALL TYPE SOFFITTO_RAD_W1 ----------
THERMAL CONDUCTANCE, U= 8.05263 kJ/h m2K; k-Wert= 1.62059 W/m2K
TRANSFERFUNCTION COEFFICIENTS
K A B C D
0 3.0911537E+01 4.1459660E-01 3.0911537E+01 1.0000000E+00
1 -3.2298443E+01 2.9786315E+00 -3.2298443E+01 -4.5968926E-01
2 5.9599377E+00 1.0543430E+00 5.9599377E+00 1.4279958E-02
3 -1.0720429E-01 1.8285950E-02 -1.0720429E-01 -6.5467173E-06
4 3.5107225E-05 4.7237405E-06 3.5107225E-05
SUM 4.4658618E+00 4.4658618E+00 4.4658618E+00 5.5458415E-01
---------- WALL TYPE SOFFITTO_RAD_W2 ----------
THERMAL CONDUCTANCE, U= 4.13194 kJ/h m2K; k-Wert= 0.96037 W/m2K
TRANSFERFUNCTION COEFFICIENTS
K A B C D
0 4.5769060E+00 3.8861786E+00 7.4509511E+00 1.0000000E+00
1 -4.4496156E-01 2.4576587E-01 -3.3190067E+00
SUM 4.1319444E+00 4.1319444E+00 4.1319444E+00 1.0000000E+00
---------------------------------------------------
Adriana Angelotti, PhD
Politecnico di Milano
Dipartimento Best
v. Bonardi 3
20133 Milano
Italy
Tel/Fax + 39 02 2399 5118