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Evaluating Flow Resistance Using Height of Roughness Protrusions

by Ivana Mare?ov?, Czech Technical Univ in Prague, Prague, Czech Republic,



Document Type: Proceeding Paper

Part of: Hydraulic Engineering

Abstract:

On the basis of field measurements on the Sumava mountain rivers heights of roughness protrusions have been used for calculation of flow resistance. The result resistance equations, compared with those using a grain size, are statistically insignificant Also a change of the Manning roughness coefficient was investigated.

Subject Headings: Flow resistance | Hydraulic roughness | Load and resistance factor design | River flow | Rivers and streams | Mountains | Hydraulic structures

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