Author:
Al-Fawzy A M,Al-Mohammed F M,Al-Fatlawi Th J,Al-Zubaidy R Z
Abstract
Abstract
The energy of flow can be defined in general form as a measure of an object’s capability to perform work, and it can be done in many different forms. The present study aims to investigate the dissipated energy of flow in the stepped shape of gabion weir with three steps. A set of 25 laboratory experiments and 175 operation tests were carried out by using a laboratory flume channel with different discharges. The tested gabion weir has five different lengths, and the filling material used is natural quarry gravel with five different median diameter. The experimental data have been analyzed to correlate the energy dissipation with the independent dimensionless terms of the other variables. The results of analysis showed that the energy dissipation has a direct proportion with discharge, and an inverse proportion with both the ratio of length of the third step to total length of the weir, the diameter of the gravel sample, and the porosity in general form, respectively. The concluded equation of energy dissipation gives good agreement for comparison between measured and predicted values of energy dissipation.
Cited by
6 articles.
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