Re-Examination of Nikuradse Roughness Data

by William R. Brownlie, (A.M.ASCE),

Serial Information: Journal of the Hydraulics Division, 1981, Vol. 107, Issue 1, Pg. 115-119

Document Type: Journal Paper


This note describes an inconsistency in the original presentation of some of the Nikuradse data and provides a Moody-type diagram with some engineering applications for a range of the data believed to be valid. The data are reviewed here because they appear in many classical texts of fluid mechanics for engineers.

Subject Headings: Computing in civil engineering | Fluid mechanics

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