Experimental Study of the Time Scale for Local Scour Downstream of Parallel Sluice Gates

被引：1

作者：

Mahmoudi, Babak ^{[1
]}

Hemmati, Mohammad ^{[1
]}

Yasi, Mehdi ^{[2
]}

Hamidi, Sajad Ahmad ^{[3
]}

机构：

[1] Urmia Univ, Dept Water Engn, Orumiyeh 5756151818, Iran

[2] Univ Tehran, Coll Agr & Nat Resources, Dept Irrigat & Reclamat Engn, Karaj 3158777871, Iran

[3] Univ Penn, Dept Phys & Engn, Slippery Rock, PA 15215 USA

来源：

JOURNAL OF IRRIGATION AND DRAINAGE ENGINEERING | 2023年 / 149卷 / 10期

关键词：

Local scour; Parallel gates; Sluice gates; Scour-hole profile; Scouring time-scale;

D O I：

10.1061/JIDEDH.IRENG-10012

中图分类号：

S2 [农业工程];

学科分类号：

0828 ;

摘要：

This study aimed to assess the effect of time on local scour development downstream of parallel sluice gates in different operations. The results revealed that the time scale of local scour development is a function of symmetric and asymmetric operations of the gates. By reducing the gate opening to a channel width ratio, the maximum scour depth and accuracy of the power-law equation increase and decrease, respectively, compared with classic hydraulic jump conditions. Finally, a new equation with high accuracy is proposed.

引用

页数：5

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