| 1. | Study on flow characteristics in water cushion pool and mechanism of energy dissipation
水垫塘的水流特征和消能规律研究 |
| 2. | Research on characteristics of hydrodynamic pressure of the slabs of ring in arch invert cushion pool
反拱水垫塘拱圈底板动水压强变化规律的研究 |
| 3. | Experimental research on uplift force acted on a piece of floor of arch invert water cushion pool and estimation to limit thrust load at skewbacks
反拱水垫塘底板块上举力变化规律的试验研究 |
| 4. | The optimization of laying out these structures , paths of flow jets and a water cushion pool for a high arch dam is first discussed systematically in this paper
本文首次系统地对高拱坝坝身泄洪孔口、泄流过程以及坝下水垫塘的布置优化问题进行了讨论。主要内容和成果有1 |
| 5. | For a single jet plunging into a cushion pool , a method of calculating depth of the pool is introduced according to the maximum water pressure on the pool bottom and the jet theory ; 7
对于单股水舌入射水垫塘的情况，以射流理论为依据，建立了以水垫塘底板上所受动水压力为控制参数的水垫塘深度的计算方法； 7 |
| 6. | Cfx software is used to simulate flow fields of water cushion pool . contour stream line , vortex and kinetic energy in water cushion pool are found and offered as visualization form . the results of numerical simulation and piv are analyzed and compared in this paper
使用数值软件( cfx )对此水工实验模型的淹没射流流场进行了数值模拟，得到水垫塘内的速度场、等流函数线图，将这些计算结果以可视化结果的形式给出。 |
| 7. | Abstract : through study on energy dissipation of goupitang project on the wu - jiang river , the velocity field in the water cushion pool downstream ski - jump or drop was measured by hot - film anemometers on a fine model with scale 1 380
文摘:结合乌江构皮滩水利枢纽工程消能问题研究,用热膜流速仪在比尺为1 380的精细模型上量测了拱坝挑跌流在水垫塘内的流速场,并由试验成果分析了淹没射流在水垫塘内的消能过程,计算了消能率。 |
| 8. | For two up and down jets plunging into a cushion pool , two factors of up depth and down depth of water cushion are first introduced actually , then the methods calculating the reasonable depth of cushion pool and the reasonable distance between up jet and down jet are introduced
针对上、下双股水舌入射水垫塘时水垫塘底板上的压力变化规律，首次根据射流理论提出了上、下水垫深度的概念及其计算方法，并进而提出了计算水垫塘合理深度及水垫塘内水舌合理入水间距的方法。 |
| 9. | Air is entrained as water jetting into water cushion pool , the gas - liquid two phase flows field are formed . the every phase velocity field are measured by using piv and ptv ( particle tracking velocimetry ) method in the course of jet angle 75and60 in gas - liquid flows of water cushion pool . image house of two phase flows are set up
西安理工大学硕士学位论文使用数字图像处理技术中的piv和ptv测速技术就射流入水角75度和60度两种情况分别测量了水垫塘模型水气两相流流场的各相速度场，建立了相应的两相流流态图像库。 |
| 10. | Abstract : for high arch dams in valleys with the characteristics of high water head , large discharge and large power , the problems of energy dissipation and scour prevention are serious . based on scientific studies , new comprehensive measures are proposed , including dispersion of discharge to waken wallop of the current , and reinforcement of riverbed to enhance the erosion - resistance . the measures can be used to solve the problem of energy dissipation properly . a typical layout scheme has been proposed in which slotted bucket with diversion teeth , double deck with pores , and cushion pool are considered practice has proved that the scheme is reliable and the effect of energy dissipation is obvious
文摘:高拱坝泄洪消能的特点是坝高落差大，流量大，功率大，位于河谷狭窄地区，泄洪消能与防冲问题突出.经科学研究，采用“分散泄洪，削弱水流冲击力，加固河床，增强河道抗冲能力”的综合治理措施，较好地解决泄洪消能布置问题.提出了表孔大差动坎加分流齿、双层多孔、水流撞击、下设水垫塘联合消能的典型布置方案，经实践证明，方案可靠，消能效果好 |
