Evaluación de algunas expresiones unificadas para el factor de fricción de Darcy-Weisbach

Juan Camilo Castro Velásquez; Sebastián Pérez Ocampo; Juan David Rincón Vanegas

Authors

Juan Camilo Castro Velásquez Departamento de Ingeniería Informática, Escuela Colombiana de Ingeniería Julio Garavito.
Sebastián Pérez Ocampo Facultad de Ingeniería Civil, Universidad Cooperativa de Colombia.
Juan David Rincón Vanegas Departamento de Ingeniería Civil y Agrícola, Universidad Nacional de Colombia.

Keywords:

Darcy-Weisbach friction factor, fluid mechanics, laminar flow, pipe hydraulics, turbulent flow

Abstract

In the design of pipelines for the transport of fluids, different equations are used to determine the friction factor in laminar and turbulent regimes. However, it is possible that there are important variations of the different parameters involved in the physical phenomenon, which significantly change the laminar flow regime to turbulent or vice versa. Therefore, it is practical to have unified expressions that are applicable regardless of the flow pattern. In this order of ideas, over time some researchers have proposed formulations for this purpose, however, it is absolutely necessary to validate, especially the modern equations, in order to establish the accuracy and, therefore, the reliability of the results that each expression provides.

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