Author(s): Willi H. Hager; Roger Bremen

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Abstract: The effect of wall friction on the sequent depths ratio in classical hydraulic jumps is analysed. Based on experimental data, an approach is presented by which it is seen that the sequent depths are not only influenced by the inflow Froude number, but also by the inflow Reynolds number, and the inflow aspect ratio. The prediction is compared to own and other experimental data, and a fair agreement between the two is found. Finally, an expression is given for the limit condition for which scale effects are still absent. All results are presented in terms of jump inflow quantities and thus ensure a simple application to design problems.

DOI: https://doi.org/10.1080/00221688909499111

Year: 1989