系统地总结泄空冲刷排沙技术。
Systematically summarized technology of emptying scour sediment.
排沙底孔的开启对机组效率的影响等。
The opening of bottom holes for discharging sediment also can affect the unit's efficiency.
本文分析了斗式排沙装置的有关设计问题。
In this paper, the designing problem related to the sand drainage installation are analyzed.
此外，飞沙堰还有一个重要的作用就是排沙。
该工程自1992年建成至今，引水排沙效果良好。
This project has run quite well since the completion of the project in 1992.
同时计算了不同排沙孔口位置设置对排沙比的影响。
And this paper finds the impact of different setting of sand ejection gate.
多沙河流上的电站进水口的取水排沙历来是一个倍受关注的问题。
For the hydropower station built on heavily sediment-laden river, it is always a especially concerned problem to desilt at the water intake of hydropower station.
按时间分为两段进行拟合，最终确定了排沙量与水流量的函数关系。
As for the latter relationship, by fitting in the two phases of time, the function expressions of the sand discharge capacity and tonnage is gained in the end.
按时间分为两段进行拟合，最终确定了排沙量与水流量的函数关系。
As for the latter relationship by fitting in the two phases of time the function expressions of the sand discharge capacity and tonnage is gained in the end.
在庙宫水库排沙洞的衬砌施工中使用了针梁式混凝土衬砌钢模台车。
We have used needle beam telescoping steel form in the Mao-Gong reservoir sediment tunnel in the concrete lining.
试验得出排沙耗水率随着孔数增加而增大，与重量比含沙量变化成反比。
The experiment makes a conclusion that water consumption rate will increase with the increase of the diameter, the sediment concentration will decrease on contrary.
图为三门峡水库枢纽正在泄流排沙，泥沙所参加了三门峡水库改建工程的科研工作。
The Department took part in the study on the renovation of Sanmenxia Reservoir, this picture shows sediment sluice from the Reservoir.
运用异重流对水库进行排沙是延长水库寿命并节约清水资源的行之有效的重要方法。
Using density current to eject sediment is one of the most effective methods for both prolonging reservoir working life and saving the limited water resource.
排沙下界粒径较大时，可以选择较小的漏斗尺寸，使涡流强度提高以较小的耗水率排放泥沙。
The larger the critical diameter of sediment, the smaller the sacle of funnel is applied so as to strengthen the vortex to discharge sediment with less water consumption.
根据理论分析和现有试验成果相结合的方法，研究了排沙漏斗中二次流在排沙中的重要作用。
Combining the theoretical analysis and the existing experimental achievement, the important role of secondary flow for sediment ejection in sand funnel is researched for the first time.
冲沙槽式引水枢纽是一种常见的“侧面引水，正面排沙”引水枢纽型式，其引水防沙效果良好。
The sluicing chamber type water diversion hub is the "side water diversion, front sand sluicing "type that is well to prev.
实践经验表明，水库工程泥沙设计的关键在于合理确定泄洪排沙洞的进口高程、洞径及其平面位置。
It is showed that the appropriate design for inlet elevation, diameter and planar situation of a flood discharge tunnel is the key to the sedimentation engineering design for a reservoir.
本文在试验研究的基础上，探讨了在泄洪排沙建筑物中采用挑坎等人工掺气设施后的浑水掺气特性。
On the basis of experiment study, the characteristics of sediment flow aerated artificially in a outlet structure are discussed in this paper.
两库淤沙与冲淤排沙达到平衡以后，虽然部分库容被淤，但是保留下来的有效库容能够长期调水调沙。
After the balance of sediment depositing and sluicing is achieved, the effective reservoir volumes can regulate both water and silt for a long term.
鲁布革水电站右岸泄洪洞承担着鲁布革大坝泄洪、排沙、放空水库的任务，是最重要的泄洪、排沙通道。
The right bank spillway tunnel at Lubuge hydropower station is the most important passageway of water discharging and sediment flushing.
自2004年开始，黄委在小浪底水库进行大规模的人工塑造异重流排沙的原型试验，取得了宝贵的原始资料。
Since 2004, Yellow River Conservancy Commission has conducted large-scale prototype testing of artificial density current for sediment ejection and obtained valuable primary data.
都江堰水利工程，科学有效地解决了灌溉、泄洪和排沙的问题，从此，成都平原成为了一个水旱从人，不知饥馑的天府之国。
The Irrigation project resolved the problems of irrigation, flood discharging and sands reduction effectively, breeding Chengdu plain as the Land of Abundance.
在各种水库排沙的方法中，水库横向冲蚀技术就是一种很好的水库排沙方法，以往人们没有对该方法进行系统的总结与概括。
Lateral erosion in reservoir flushing technologies is a kind of very good method to flush reservoir sediment deposition. In the past, the method was not summarized systematically.
漏斗排沙方式利用螺旋流的分离机理来排除渠道泥沙； 平轴螺旋管流排沙是利用在管间加设导叶的方式产生螺旋流来输运泥沙。
The way of the sand funnel make use of separating mechanics of spiraling flow to breed out the sediment of the channel.
三门峡水库建成后，先后采用了蓄水拦沙、滞洪排沙和蓄清排浑调水调沙三种运用方式，水库在运用过程中也相应的分为三个阶段。
The Sanmenxia Reservoir, located in the middle reaches of the Yellow River, has passed three stages since it was built up in 1960.
三门峡水库建成后，先后采用了蓄水拦沙、滞洪排沙和蓄清排浑调水调沙三种运用方式，水库在运用过程中也相应的分为三个阶段。
The Sanmenxia Reservoir, located in the middle reaches of the Yellow River, has passed three stages since it was built up in 1960.
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