This page provides information and links relating to friction factor in pipes.

Friction factor diagrams for pipe flow are available in the National Digital Learning Repository (NDLR) at the link below:
http://www.ndlr.ie/view/view.php?id=2200

A technical note that describes the basis on which the diagrams were prepared is available in the ARROW@DIT archive at:
http://arrow.dit.ie/engschmecart/28