Cableizer
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Diameter enclosure (outer)

Symbol
$D_{encl}$
Unit
m
Used in
$A_{encl}$
Cross-sectional area enclosure [mm$^2$]
$A_{prot}$
Cross-sectional area protective cover [mm$^2$]
$D_{comp}$
Diameter compartment [m]
$D_{prot}$
Diameter protective cover [m]
$d_s$
Equivalent diameter of screen and sheath [mm]
$D_{wall}$
Diameter pipe wall [m]
$g_s$
Substitution coefficient $g_s$ for eddy-currents
$\gamma_{encl}$
Skin and proximity effect factor $\gamma$ PAC/GIL enclosure
$k_s$
Skin effect coefficient
$\mathrm{Nu}_c$
Nusselt number conductor—gas
$T_3$
Thermal resistance jacket [K.m/W]
$T_{prot}$
Thermal resistance protective cover [K.m/W]
$X_e$
Self reactance screen/sheath [$\Omega$/m]