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- traditional riprap spur dike 传统抛石丁坝
- Local scour on the head of a spur dike is disadvantageous to the structures. 丁坝坝头的局部冲刷对丁坝的整治效果产生不利影响。
- With the aid of model experiment and through theoretical analysis, turbulent characteristics of flow around spur dike are studied. 摘要通过水槽试验,结合理论分析,研究丁坝附近的水流紊动。
- By use of 3-D ultrasonic doppler velocimeter,the turbulence characteristics of water flow in the spur dike head and backflow region are observed and analyzed systematically. 利用三维超声学多普勒流速仪对丁坝坝头附近水流和回流区水流的紊动特性进行了系统的观测和分析,得到了丁坝坝头和回流区的水流特性及紊动动能的分布规律。
- [Hydraulics] a spur dike; a groyne 丁坝
- Numerical Computation of Impingement of Tidal Bore on Spur Dike 涌潮冲击丁坝的数值计算
- There are horse shoe vortex around spur dikes and Karman vortices behind spur dikes. 发现在丁坝的上游会形成马蹄涡 ;在丁坝的背风面会形成卡门涡 .
- The flow patterns close to the non-submerged spur dikes are discussed on the basis of flume experiment. 以水槽试验为基础,对非淹没丁坝附近的水流现象进行了定性描述。
- An Approach to the Depth of Local Scour of Non-submerged Spur Dike 非淹没丁坝局部冲刷深度计算的探讨
- On the Length of Circulation Region of Seepage Spur Dike 透水丁坝坝后回流区长度研究
- The dye injection and oil\|film method together with electromagnetic velocimeter are applied to measure the flow field around spur dikes. 研究分析了丁坝和护坦在沿河林区公路路基防护中的作用、防护原理、设置方法、应用条件和有效性问题。
- Jing Peng, Nobuyuki Tamai, Yoshihisa Kawahara and G.W.Huang, (1998): Numerical modeling of local scour around spur dikes, Proc. 彭静,河原能久,丁坝群近体流动结构的可视化实验研究,水利学报,2000.;2。
- The dye injection and oil-film method together with electromagnetic velocimeter are applied to measure the flow field around spur dikes. 本文介绍了用颜料示踪和最新的油膜技术对流动进行可视化记录以研究淹没丁坝群的近体流场分布的试验结果。
- The results from the experiments showed that the channel bed stability of gabion spur dikes is higher than that of conventional spur dikes. 试验结果发现,丁坝种类以蛇笼透水丁坝之河床稳定性较传统不透水丁坝为佳;
- Study of the unclear water local scour depth of spur dike 丁坝浑水冲刷试验研究
- Flow simulation of spur dike using 3-D turbulent model 三维紊流模型在丁坝中的应用
- An Experimental Study of Local Scour Around Spur Dike 丁坝局部冲刷的试验研究
- This traditional costume is of indigo blue. 这件传统服装是靛蓝色的。
- According to the data of equilibrium scour experiments, the estimating equations for scour depth of abutments and spur dikes are established and applied. 根据本文和近年来国外发表的长历时平衡冲刷数据,应用图解和回归分析,建立了桥台及丁坝平衡冲刷深度公式。
- Based on model test and the scene investigation, the flow structure around submerged spur dikes and evolution characteristic of river bed are researched . 根据水工模型试验研究和工程现场考察,对漫水丁坝附近的水流结构,河床变形的特点进行了分析和研究;