Cableizer
Log in

Inner diameter of duct

Symbol
$Di_d$
Unit
mm
Used in
$A_d$
Cross-sectional area of 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 of duct [m]
$f_{wc}$
Weight correction factor
$\lambda_4$
Loss factor of magnetic steel ducts
$r_{arc}$
Radius of a bend [m]
$T_{4d}$
Thermal resistance for daily load cycle [K.m/W]
$T_{4i}$
Thermal resistance of medium in the duct [K.m/W]
$T_{4ii}$
Thermal resistance of the duct wall [K.m/W]
$T_{4w}$
Thermal resistance for weekly load cycle [K.m/W]
$T_{4y}$
Thermal resistance for yearly load cycle [K.m/W]