Cableizer
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Thermal resistance of protective cover

Symbol
$T_{prot}$
Unit
K.m/W
Formulae
$\frac{1}{2k_{prot} \pi} \ln\left(\frac{D_{prot}}{D_{encl}}\right)$
Related
$D_{encl}$
Outer diameter of enclosure [m]
$D_{prot}$
Diameter of protective cover [m]
$k_{prot}$
Thermal conductivity of protective cover [W/(m.K)]
$\pi$
Archimedes' constant $\pi$
Used in
$T_{int}$
Internal thermal resistance for current losses [K.m/W]
$\theta_{c,z}$
Conductor temperature at z [°C]
$\theta_{encl}$
Temperature of enclosure [°C]
$U_{wall}$
OHTC of pipe wall [W/(K.m$^2$)]