Outer diameter of steel pipe

Outer diameter of the steel pipe excluding outer protective cover.

For cables, heat sources and GIL, we consider $D_{wall}$ to be the diameter below the outer sheath, the insulation over the pipe or the protective cover respectively.

Symbol
$D_{wall}$
Unit
m
Formulae
$\frac{D_{e}}{1000} - \frac{t_{j}}{500}$cables
$\frac{do_{pipe}}{1000}$heat source
$\frac{d_{encl}}{1000}$GIL
Related
$D_{e}$
$do_{pipe}$
$U_{buried}$
$U_{inwall}$
$U_{wall}$
OHTC of pipe wall [W/(K.m$^2$)]