How to use the Moody Diagram

Background

Head loss in a straight run of pipe is give by the Darcy Weisbach Equation

(1)
\begin{align} h_L = f \frac{L}{D} \frac{V^2}{2g} \end{align}

To use Eq (1), we can find the friction factor$f$using the Moody diagram.

Unless otherwise stated, the content of this page is licensed under Creative Commons Attribution-ShareAlike 3.0 License