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Thermal resistance of conductor shield

Symbol
$T_{cs}$
Unit
K.m/W
Formulae
$\frac{\rho_i}{2\pi} \ln\left(\frac{D_{cs}}{D_{cs}-2t_{cs}}\right)$
Related
$D_{cs}$
Diameter over conductor shield [mm]
$\pi$
Archimedes' constant $\pi$
$\rho_i$
Thermal resistivity of insulation [K.m/W]
$t_{cs}$
Thickness of conductor shield [mm]
Used in
$T_1$
Thermal resistance between one conductor and sheath [K.m/W]
$T_i$
Thermal resistance of insulation [K.m/W]