Cableizer
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Losses between cable and riser/J-tube

Symbol
$W_{di}$
Unit
W/m
Formulae
$20.3{D_{di}}^{0.315} {D_o}^{0.73} {\Delta \theta_{gas}}^{1.05}$
Related
$D_{di}$
Inner diameter of duct [m]
$D_o$
Outer diameter [m]
$\Delta \theta_{gas}$
Temperature difference, conductor to enclosure [°C]
Used in
$\theta_{di}$
Temperature of duct inner wall [°C]