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- 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。
- 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。
- flow field around spur dike 丁坝绕流
- 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。
- Satisfactory results are obtained by comparison with previous works on the flow field around a two-dimensional airfoil. 整个程式在经过二维机翼流场的数值测试后,得到令人满意的可靠度。
- The results indicate that the flow field around double container car is more complex than those of boxcar. 研究结果表明:双层集装箱车辆周围流场较棚车复杂,前者横向力与侧滚力矩均比后者的大;
- Jing Peng, Yoshihisa Kawahara and Nobuyuki Tamai (1998), Evaluation of k-e type turbulence models in simulating flow around spur dikes, 1th symposium of turbulence shear flow phenomena, U.S.A. 彭静,玉井信行,河原能久,丁坝坝头冲淤的三维数值模拟,水动力学研究与进展,1999。
- The streamline distributions in the flow field around 2 cars with the side space of 0.1,0.3,0.5,1 and 2 times of car width were compared. 重点对比了0.;1、0
- Complex structures of vortices, the unreacted region, and shock-vortex interaction are observed in flow field around the left corner. 分叉口左尖点附近的流场中出现了复杂的旋涡结构、未反应区及激波与旋涡作用。
- An Experimental Study of Local Scour Around Spur Dike 丁坝局部冲刷的试验研究
- A third order WENO scheme was used to calculate the flow field around the supersonic missile with lateral jet interaction. 采用3阶的WENO格式计算了大气层内带有侧向喷流的超声速导弹绕流流场。
- 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 .
- Steady state flow field around ablation front is solved and taken as a basic flow in the simulation of ablative Rayleigh-Taylor instability with a high-order WENO scheme. 求解烧蚀面附近流场的定常解,并以此作为基本流实现用高精度的WENO格式对烧蚀瑞利-泰勒不稳定性的数值模拟。
- 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。
- WANG Tao.Numerical simulation of 3-D integrative viscous complicated flow field around axisymmetric body with ducted propulsion[J].Journal of Ship Mechanics, 2003, 7(2) :21-32. [7]王涛.;轴对称体与导管推进器组合体的三维复杂流场的计算与分析[J]
- The flow field around the secondary filter was vividly characterized with a porous medium model, so that the flow pattern around this kind of filter was readily obtained. 多孔介质模型形象地描绘出了二次滤网的内部流场,获得了该型号滤网的内部流动规律。
- There are some complex three-dimensional instable and strong turbulent characteristics in the flow field around the intake arranged in cascade suction pipes. 水泵进水池中沿来流方向前后串列布置多根吸水管时,其周围流场具有复杂的三维、不稳定、强紊动的特性。
- Plan view of flow around spur dikes 丁坝绕流几何示意图
- This paper investigates the distribution law of flow field around the mat by PIV technology. Furthermore, the effect of vortex which causes the scour of the sea bed around the mat is discussed and analyzed. 论文通过试验,应用PIV技术对底垫周围流场的分布规律进行了研究,进而分析涡旋对座底式平台底垫周围地基冲刷和淘空的影响及引起冲刷、淘空的主要原因。
- In this paper, the commercial software FLUENT is used to calculate the viscous flow field around a ship with Twin-skeg, without taking into account the impact of wave-making resistance. 文中利用商业软件FLUENT,在不考虑兴波影响下,对各航速下的双尾船粘性流场进行数值模拟。