Evaluating Flow Resistance Using Height of Roughness Protrusions

by Ivana Marešová, 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 measurement | Hydraulic roughness | Rivers and streams | Flow resistance | Nonuniform flow | Streamflow | Stream channels | River flow

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