OHTC of inside film and pipe wall

Overall heat transfer coefficient (OHTC) of the inside film and pipe wall.

Symbol
$U_{inwall}$
Unit
W/(K.m$^2$)
Formulae
$\frac{1}{\frac{D_{ref}}{D_{wall} U_{wall}} + \frac{D_{ref}}{D_{in} h_{in}}}$
Related
$D_{in}$
$U_{wall}$
OHTC of pipe wall [W/(K.m$^2$)]
Used in
$\mathrm{Bi}_{p}$