Cableizer
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Inner diameter duct

Symbol
$Di_d$
Unit
mm
Used in
$A_d$
Cross-sectional area duct wall [mm$^2$]
$A_{d,fill}$
Free cross-sectional area inside duct [mm$^2$]
$CC_{pull}$
Conduit clearance [mm]
$CF_{pull}$
Conduit fill [$\%$]
$CJ_{pull}$
Conduit jamming ratio
$CR_{pull}$
Conduit ratio
$D_{di}$
Inner diameter duct [m]
$f_{wc}$
Weight correction factor
$\lambda_4$
Loss factor magnetic duct
$r_{arc}$
Bend radius [m]
$T_{4d}$
Thermal resistance daily load cycle [K.m/W]
$T_{4i}$
Thermal resistance medium in the duct [K.m/W]
$T_{4ii}$
Thermal resistance duct wall [K.m/W]
$T_{4w}$
Thermal resistance weekly load cycle [K.m/W]
$T_{4y}$
Thermal resistance yearly load cycle [K.m/W]