VELOCITY FLOW PROFILES OVER ROUGH BED IN OPEN CHANNELS

Abubaker.m. Abusbeaa; Salaheddin A. Serrag

doi:10.66411/jer.v12i.192

Authors

Abubaker M. Abusbeaa Civil Engineering Department, Faculty of Engineering, Al-Fateh University, Tripoli, Libya Translator
Salaheddin A. Serrag Civil Engineering Department, Faculty of Engineering, Al-Fateh University, Tripoli, Libya Author

DOI:

https://doi.org/10.66411/jer.v12i.192

Keywords:

Open channel, Rough beds, Shear velocity, Velocity components, Velocity distribution, Velocity profiles

Abstract

Velocity flows over rough beds are important in hydraulic engineering because almost all river beds are composed of sand grains and have complicated bed configuration like ripples. This study investigates mean velocity distribution of uniform turbulent flows over rough channel beds and compares these profiles with certain available models. Experiment results shows that velocity profiles can be estimated by certain theoretical models provided that some parameters are approximated and flow conditions are defined. The theory that some models are universal and can be used for all types of flows in the general sense cannot stand

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