Cableizer ®

Angle of exposed wetted surface of pipe

Symbol
$\beta_{b}$
Unit
rad
Formulas
$\arccos\left(\frac{2H}{D_{ext}}\right)$
Related
$D_{ext}$
Diameter external [m]
$H$
Distance pipe center—ground [m]
Used in
$C_{g2}$
Factor C2 pipe
$C_{g3}$
Factor C3 pipe
$h_{ground}$
Heat transfer coefficient part of pipe in contact with ground [W/(K.m$^2$)]
$U_{partially}$
OHTC pipe partially buried [W/(K.m$^2$)]