Simplifying the Use of Pipe-flow Friction-Factors
| By Jagadeesh Sonnad University of Oklahoma Health Sciences Center Chetan T. Goudar Bayer Healthcare
The Nikuradse-Prandtl-von Karman (NPK) equation is the most widely used expression to determine friction factors for fluid flow in smooth pipes [1–3]. It implicitly relates the friction factor (expressed here as f; sometimes called λ) to…