For large discharge and high head hydropower stations, the selection of energy dissipation mode is an important part for improvement of structure layout and various functions.
大流量高水头水电站泄洪消能型式的选择，是完善枢纽布置和各项功能的重要环节。
The multistage pumping stations have characteristics of high head and great energy consumption, so it is economical to make multistage pumping stations operate in optimization.
梯级泵站具有扬程高、能耗大的特点，对其进行优化调度，经济效益相当可观。
It possesses the characters of high head, high velocity, long operation time and large variation range of water level.
它具有水头高、流速大、运行时间长、水位变幅大等特点。
Two Stage, Horizontally Split Case Pumps designed for applications requiring moderately high head over a wide range of flows.
双级水平中开泵为需要适度的高水头而设计，能提供一个很宽的流量范围。
The 36-foot-high head is made up of 42 moving chrome-plated layers, which move both in synchronicity and in opposing directions.
这座36英尺高的头部雕像由42块移动的镀铬板组成，板面可以同向和反向移动。
When submersible pumps for wells have qualified efficiency, the high head and flow of impellers will generate reactive power loss.
在效率合格的情况下，井用潜水泵的叶轮扬程和流量偏高时会产生无功损耗。
The diversion tunnels of the Shuibuya Project feature high head, big discharge, long tunnel line and complicated geologic conditions.
水布垭导流隧洞具有水头高，流量大，洞线长，地质环境差等特点，因而技术问题较多，难度较大。
High head gravity flow and lead pump can be selected for conveying lead liquid, high head gravity flow can largely reduce lead residue.
铅液输出有高位自流输铅液和铅泵输铅液两种方式选择，高位自流输铅液大大降低了铅渣生成量。
Multi-stage centrifugal pump is mainly used for high head applications environment, use deep, high-rise residential water supply, fire water supply.
多级离心泵主要用于高扬程的应用环境，应用于深井、高层住宅的供水、消防供水等。
The flood discharge and energy dissipation of Xiluodu Hydroelectric Plant are characterized with narrow valley, big flood discharge capacity and high head.
溪洛渡水电站的泄洪消能具有河谷狭窄、泄洪流量大、泄洪水头高的特点。
The active systems consist of several pumping systems of varying discharge pressure and flow rates, e. g., high head injection system, low head injection system.
能动系统由不同注入压力和流量的泵系统组成，如高压安注系统，低压安注系统。
As the high head, high velocity and large flow of flood discharge, the concrete of spillway tunnel in Xiaowan Hydropower Station is easy to be damaged by cavitation.
小湾水电站泄洪洞在泄洪时具有高水头、高流速、泄量大的特点，对混凝土冲刷力强，容易产生空蚀破坏。
Building of hydraulic tunnels with high head and large diameter increase gradually, and the underground reinforced concrete branch pipe is adopted in more and more projects.
相应的高水头大直径水工压力隧洞的建设也逐渐增多。并且越来越多的工程采用地下钢筋混凝土岔管。
Applies to the lower groundwater levels for high head sites, and other occasions, such as mines, high-rise buildings, water booster, mountain water for irrigation and other fruit.
适用于地下水位较低的场所及其它扬程要求高的场合，如矿井、高楼大厦、自来水增压、山区果农灌溉用水等。
Usually, in the high head hydroelectric power station where long channel has been used as a water conveyance structure one surge tank and one penstock may serve more than one machine.
在高水头引水式水电站中，通常几台机组共用同一调压井，且共用压力主管。
To increase the head of bulb turbine, it is necessary to improve the runner blade design method and design high head bulb turbine with good energy and cavitation coefficient performance high.
欲提高贯流式水轮机的使用水头，应改进转轮叶片的设计方法，以设计出能量和气蚀性能良好的高水头贯流式水轮机。
The high head produced by the impeller means high adverse pressure gradient within blade passage and because of this the flow often separates from the blade surfaces even at the design point.
低比转速泵的高扬程决定了叶片流道内逆压梯度比较高，这种压力分布使得水流易于在叶片表面脱流分离，这一现象甚至在泵的设计点也难以避免。
The paper introduces the protection measures of pumping-off water hammer in the design of high-flowrate high-head long-distance water-delivery booster pump station.
介绍一种大流量高扬程远距离输水加压泵站设计中停泵水锤防护措施。
The paper introduces the protection measures of pumping-off water hammer in the design of high-flowrate high-head long-distance water-delivery booster pump station.
介绍一种大流量高扬程远距离输水加压泵站设计中停泵水锤防护措施。
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