Numerical investigation of flow pattern, erosion and sedimentation around parallel unequal spur dikes under different geometric and hydraulic condition

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ABBASI SAEED; Pourshahbaz Hanif; Taghvai Pouria

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Journal Paper

Paper Information

Journal: JOURNAL OF HYDRAULICS Year:2018 | Volume:13 | Issue:3 (133) Page(s): 17-29

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Information Journal Paper

Title

Numerical investigation of flow pattern, erosion and sedimentation around parallel unequal spur dikes under different geometric and hydraulic condition

Author(s)

ABBASI SAEED | Pourshahbaz Hanif | Taghvai Pouria | Issue Writer Certificate

Keywords

Group of spur dikes with unequal lengthsQ1

Numerical simulationQ1

ErosionQ2

SedimentationQ2

Flow patternQ2

Abstract

Spur dikes are known as the most popular hydraulic structures which utilize to reduce shores and river banks Erosion. These structures change the Flow pattern and sediment transport; so they can control hydraulic conditions and prevent shores Erosion and cause sediment trapping. In this paper, effects of changes in angles and various arrangement of spur dikes (small to large or vice versa) for group of parallel, unequal, non-submerged and impermeable spur dikes on Flow pattern, bed Erosion and Sedimentation are numerically investigated. Validation of the numerical results simulated in Flow-3D model with experimental data, shows the high precision of the numerical model. Also, the results show that scouring depth in large to small arrangement of the spur dikes and 45 degrees orientation has 55% reduction and in small to large arrangement and 135 degrees orientation has 72% reduction in comparison with group of equal length spur dikes perpendicular to the shore.

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APA: Copy

ABBASI, SAEED, Pourshahbaz, Hanif, & Taghvai, Pouria. (2018). Numerical investigation of flow pattern, erosion and sedimentation around parallel unequal spur dikes under different geometric and hydraulic condition. JOURNAL OF HYDRAULICS, 13(3 (133) ), 17-29. SID. https://sid.ir/paper/124212/en

Vancouver: Copy

ABBASI SAEED, Pourshahbaz Hanif, Taghvai Pouria. Numerical investigation of flow pattern, erosion and sedimentation around parallel unequal spur dikes under different geometric and hydraulic condition. JOURNAL OF HYDRAULICS[Internet]. 2018;13(3 (133) ):17-29. Available from: https://sid.ir/paper/124212/en

IEEE: Copy

SAEED ABBASI, Hanif Pourshahbaz, and Pouria Taghvai, “Numerical investigation of flow pattern, erosion and sedimentation around parallel unequal spur dikes under different geometric and hydraulic condition,” JOURNAL OF HYDRAULICS, vol. 13, no. 3 (133) , pp. 17–29, 2018, [Online]. Available: https://sid.ir/paper/124212/en

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