Turbulence Intensity and the Friction Factor for Smooth- and Rough-Wall Pipe FlowReportar como inadecuado


Turbulence Intensity and the Friction Factor for Smooth- and Rough-Wall Pipe Flow


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Academic Editor: William Layton

Abstract Turbulence intensity profiles are compared for smooth- and rough-wall pipe flow measurements made in the Princeton Superpipe. The profile development in the transition from hydraulically smooth to fully rough flow displays a propagating sequence from the pipe wall towards the pipe axis. The scaling of turbulence intensity with Reynolds number shows that the smoothand rough-wall level deviates with increasing Reynolds number. We quantify the correspondence between turbulence intensity and the friction factor. View Full-Text

Keywords: turbulence intensity; Princeton Superpipe measurements; flow in smooth- and rough-wall pipes; friction factor turbulence intensity; Princeton Superpipe measurements; flow in smooth- and rough-wall pipes; friction factor





Autor: Nils T. Basse

Fuente: http://mdpi.com/



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