Minimum Energy Loss and Velocity Profiles in Pipes

by R. Li, Virginia Polytechnic Inst &, State Univ, Blacksburg, VA, USA,
C. Y. Kuo, Virginia Polytechnic Inst &, State Univ, Blacksburg, VA, USA,



Document Type: Proceeding Paper

Part of: Hydraulic Engineering

Abstract:

Minimum energy loss in a flow is discussed. The concept is applied to derive velocity distributions for laminar flow through a circular pipe and steady uniform turbulent flow through a rough pipe. These velocity distributions are compared with the classic velocity distribution equations. Also, the friction equation for fully developed turbulent rough pipe flow derived based on the concept is compared with the Nikurade equation.

Subject Headings: Velocity distribution | Pipes | Energy loss | Turbulent flow | Fluid velocity | Velocity profile | Friction

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