Evaluating Flow Resistance Using Height of Roughness Protrusions

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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: Hydraulic roughness | Flow resistance | Load and resistance factor design | Rivers and streams | Hydraulic structures | Flow measurement | Mountains | Grain (material) |

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