The cavitation and abrasion of hydraulic turbines in the silt laden water were discussed.
水轮机在含沙水流中运行时，常遭到泥沙磨损和磨蚀破坏。
Hydraulic turbines, storage pumps, and pump turbines - tendering documents - general and annexes.
水轮机蓄能泵和水泵涡轮。投标文件。水戽式水轮机的技术规范指南。
Cavitation erosion and wear are the major problems of hydraulic turbines and other hydro-equipments.
汽蚀和磨损是水轮机和其他过流部件普遍存在的主要问题。
Selectim of hydraulic turbines operating on sediment-laden river is the key guaiantee safe , economic and steady operation.
多泥沙河流水电站水轮机机型的选择确定是影响电站投运后是否能安全、经济稳定运行的关键问题。
Hydraulic turbines, storage pumps, and pump turbines - tendering documents - guidelines for technical specifications for pelton turbines.
水轮机蓄能泵和水泵涡轮。投标文件。水戽式水轮机的技术规范指南。
Hydraulic turbines, storage pumps, and pump turbines - tendering documents - guidelines for technical specifications for Francis turbines.
水轮机蓄能泵和水泵涡轮。投标文件。弗兰西斯涡轮机技术规范指南。
Hydraulic turbines, storage pumps, and pump turbines - tendering documents - guidelines for technical specifications for tubular turbines.
水轮机蓄能泵和水泵涡轮。投标文件。管状水轮机技术规范指南。
Hydraulic turbines, storage pumps, and pump turbines - tendering documents - guidelines for technical specifications for Francis turbines.
水轮机蓄能泵和水泵涡轮。投标文件。管状水轮机技术规范指南。
The flow field of double-row annular cascades of hydraulic turbines is studied by means of digital analysis in combination with model tests.
采用数值分析与模型实验相结合的方法，对水轮机导水部件双列环列叶栅流场进行了分析研究。
Using operational characteristics of unit—block for guiding operation is more convenient than using operational characteristics of hydraulic turbines.
从运行的需要出发，采用机组段运转特性曲线来指导运行，比用水轮机运转特性曲线方便。
For the complexity of efficiency conversion of prototype and model hydraulic turbines many calculation formula are put forward but there is not universal formula.
由于原型与模型水轮机效率换算的复杂性，尽管已提出许多计算式，但至今仍未有一个被一致确认的统一公式。
The shedding frequency computation model built in this paper can be used to predict the shedding frequency of the Karman vortices for designing hydraulic turbines.
本文建立的水轮机固定导叶和活动导叶后卡门涡频率预估模型，可在设计阶段进行叶片绕流卡门涡频率的预估。
The vortices shedding frequency calculation model proposed by this paper can be used to predict the shedding frequency of the Karman vortices for hydraulic turbines design.
本文建立的水轮机固定导叶和活动导叶后卡门涡频率预估模型，可在设计阶段进行叶片绕流卡门涡频率的预估。
This paper describes the input circuit and anti-interference measures of A-D-A type digital frequency discriminator used in the speed governing system of hydraulic turbines.
本文介绍用于水轮机调速系统中的A-D-A型数字鉴频器的输入电路和抗干扰措施。
The mathematical model is established for the multi-objective hydraulic optimizations of the diversion components of hydraulic turbines, and the computer simulation is carried out.
本文建立了水轮机引水部件多目标水力优化的数学模型，并进行了计算机数字仿真。
The average efficiency calculation method for hydraulic turbines is appraised. In consociation with practical examples, the purport and calculation method of weighted mean efficiency is elucidated.
对水轮机平均效率计算方法进行了评述，结合实例阐明了加权平均效率的意义和具体的计算方法。
The computational results has shown that the global hydraulic performances of the diversion components of hydraulic turbines can be modified by means of the multi-objective hydraulic optimizations.
计算结果表明，多目标水力优化设计可以改善水轮机引水部件的综合水力性能。
In hydraulic transmission system, turning moment and rotational speeds of pump impellers and turbines have to be kept steady in order for the normal operation of the system.
在液力传动系统中，泵轮和涡轮的转矩及转速应保持稳定才能使系统正常运行。
Finally, some advice as to the vibration investigation for hydraulic-turbines set in our country was put forward.
最后，对我国水力机组振动特性的研究提出了一些建议。
The dimension and capacity of hydraulic-turbines in the modern world become more and more big, but the rigidity reduces, so the stability of hydraulic-turbines is of emphasis.
现代社会水轮机尺寸和容量越来越大，刚性降低，稳定性运行日益重要。
Experimental studies on pressure fluctuation in draft tubes of Francis turbines have bean conducted, simulating operating conditions of the Three Gorges Hydraulic Power Station's turbines.
以三峡水电站水轮机运行工况为模拟条件进行了混流式水轮机尾水管压力脉动试验研究。
This paper mainly introduces the use of multi-task control mode to design a hydraulic testing system for wind-turbines.
介绍了利用多任务控制方式来设计风力发电机液压测试系统。
The hydraulic stability of Francis turbines is closely related to the operating conditions.
混流式水轮机的水力稳定性与机组运行工况密切相关。
The hydraulic stability of Francis turbines is closely related to the operating conditions.
混流式水轮机的水力稳定性与机组运行工况密切相关。
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