groyne

Study on correction coefficient of flow kinetic energy near groyne

丁坝附近区域水流动能修正系数研究

A Study on Hydraulic Properties of Groyne Research

研究了C.丁坝水力学特性研究

A study on the attracting groyne on Urban River

对城市河流布设挑流丁坝的探讨

3D numerical model for pollutant in sediment-laden flow around groyne

丁坝浑水水流环境下污染物三维数学模型

Preliminary Study on Velocity Field behind Permeable Groyne

透水丁坝下游流场初步探讨

A Study on Hydraulic Properties of Groyne

丁坝水力学特性研究

Experimental Study of Flow near Hook Groyne

折线导流坝水流的试验研究

Safety reliability analysis for groyne erosion

防护丁坝抗冲刷失效安全可靠性分析

The existing results about scour hole was summarized . Study of cutback for protection against erosion of the groyne foundation

在总结前人研究成果的基础上，试验研究了掺气对基岩冲刷破坏的影响；丁坝基础冲刷机理和防护措施

Calculation of scour depth around groyne head and size of riprap in closure work Safety reliability analysis for groyne erosion

丁坝头冲深和堵口抛石大小的计算防护丁坝抗冲刷失效安全可靠性分析

Experimental study includes the law of flow field variation and variation of water surface in affected zone by the single groyne or twin - groyne .

实验研究包括单丁坝及双丁坝条件下丁坝影响区内流场及水面变化规律；

The contribution of groyne height reduction to counteracting unwanted erosion is then considered a favourable incidental circumstance .

丁坝降低对减少一些对主槽不利的侵蚀是一项比较可取的措施。

This paper studies on the law of the kinetic energy correction factor near a groyne by a flume experiment basing on one dimensional energy equation of steady flow .

本文从一维恒定流能量方程式出发，通过水槽实验，研究丁坝附近动能修正系数的变化规律。

In the channel regulating work , regulating structures such as groyne , longitudinal dam are used to change water depth , water velocity and water surface slope of the channel .

航道整治工程中，常采用修建整治建筑物如丁坝、顺坝等来改善河流的水深、流速、水面比降，使河流达到通航要求。

This paper presents the mechanism of erosion scour around groynes of levee projects and a probability method of the reliability analysis for groyne erosion under random factors .

分析了防护丁坝冲刷的机理，用概率分析方法研究了在随机因素影响下防护丁坝抗冲刷的可靠性问题。

The relationships between the kinetic energy correction factor near a groyne and the discharge , the groyne length , the groyne angle , the longitudinal distance from the groyne are studied by a flume experiment .

通过单丁坝水槽实验，研究丁坝附近动能修正系数与过流流量、丁坝坝长、丁坝挑角、距丁坝的纵向距离等因素之间的关系。

In recent years , with the rapid development of coastal cities ' economy all over the country , lots of port engineering , groyne and Binhai New Area start to construct . The land resource has become the restrictive factor for the sustainable development .

近年来，伴随着全国各沿海城市经济的高速发展，许多港口工程、围堰和滨海新区开始建设，土地资源已经成为制约其可持续发展的关键因素。

Through applying a numerical model of plane river flow in non-orthogonal curvilinear coordinate in the simulation of 2-D flow near the groyne , the shortcomings of orthogonal curvilinear coordinate in simulation of local places with irregular boundaries are successfully avoided .

将非正交曲线坐标系下的平面二维河道水流数学模型应用于丁坝绕流计算，克服了正交网格在对不规则边界进行局部模拟时存在的一些缺陷。

The analysis on the experiment result displays that the kinetic energy correction factor is mainly affected by the groyne length , angle , and the longitudinal distance , but not influenced by the discharge if water depth is less than the groyne height .

实验结果分析表明，绕流流态下动能修正系数与过流流量关系不大，主要受丁坝坝长、挑角与纵向距离的影响。