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Flow Characteristics Around Permeable Spur Dike with Different Staggered Pores at Varying Angles by Rizwan Haider; Dongsheng Qiao; Jun Yan; Dezhi Ning; Ghufran Ahmed Pasha; Sohail Iqbal is a Engineering article available to read on EtoBox.

What is Flow Characteristics Around Permeable Spur Dike with Different Staggered Pores at Varying Angles about?

In this study, Computational Fluid Dynamics software (ANSYS Fluent) is used to investigate the turbulence and flow characteristics around spur dike in an open channel. After validating the numerical model with the experimental results, the spur dike was made permeable by providing staggered pores of varying permeabilities (22%, 37%, and 52%). Additionally, the pores angle was also varied (0°, 15°, 30°, and 60°) in order to elucidate the extent of flow diversion from the spur dike field towards the main channel. The flow characteristics around permeable spur dike are compared, including velocity distribution, reattachment length, roughness coefficient (n), turbulence kinetic energy (TKE), turbulence intensity (T .I), and wall shear stress. The results of turbulence and flow characteristics showed an improvement in the use of permeable spur dikes (0°) compared to impermeable spur dikes. The efficiency and controlled range of these results were further enhanced and achieved, while the permeability with increasing pore angles is used. When pore angle of spur dike increased to 60°, the increasing trend of mean streamwise velocity at the downstream (d/s) was reduced up to 25% and at the

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Author

Rizwan Haider; Dongsheng Qiao; Jun Yan; Dezhi Ning; Ghufran Ahmed Pasha; Sohail Iqbal

Publisher

Springer Science and Business Media LLC

Published

2022

Language

EN

Field

Engineering (Physical Sciences)