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Temperature of enclosure

Because the temperature of the enclosure of a PAC/GIL is a function of the current, $I_c$, an iterative method is used for the calculation.

Symbol
$\theta_{encl}$
Unit
°C
Formulae
$\theta_e+T_{prot} W_{tot}$
Related
$T_{prot}$
Thermal resistance of protective cover [K.m/W]
$\theta_e$
External temperature of the object [°C]
$W_{tot}$
Total losses per object [W/m]
Used in
$\Delta \theta_{gas}$
Temperature difference, conductor to enclosure [°C]
$\mathrm{Gr}_{encl}$
Grashof number, gas to enclosure
$h_{rad,ce}$
Radiation heat transfer coefficient, conductor to enclosure [W/(K.m$^2$)]
$R_{enclDC}$
Electrical DC resistance of enclosure [$\Omega$/m]
$T_1$
Thermal resistance between one conductor and sheath [K.m/W]
$T_{rad,ce}$
Radiation thermal resistance, conductor to enclosure [K.m/W]
$\theta_{film}$
Film temperature [°C]
$\theta_{gas}$
Gas temperature [°C]
$W_{conv,ce}$
Convection heat transfer, conductor to enclosure [W/m]
$W_{rad,ce}$
Radiation heat transfer, conductor to enclosure [W/m]