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between two dams
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  两坝间
     When the released discharge diurnal average is between 10 000 and 15 000 m~(3)/s,the navigation condition can meet the requirement of 10 000 T ship team,but when the discharge exceed 20 000 m~(3)/s,the velocity and slope at important bar between two dams are near or over the allowable value,the upward ship team sail difficultly.
     在三峡电站日均下泄流量10 000~15 000 m3/s时,两坝间河段的航行条件尚能满足万吨级船队的航行要求,但日均流量为20 000 m3/s时,两坝间重点滩段的流速、比降,已接近或超过万吨级船队的允许值,船队上行十分困难.
短句来源
     The microcomputer control system for flow and water level on the model by the standards of navigation water technology of the Yangtze River between two dams is presented in this paper.
     本文主要介绍长江三峡两坝间通航水流技术标准试验模型流量水位自控系统。
短句来源
     Experiment Study on the Influence of TGP Regulate Peak Flood to the Navigational Condition Between Two Dams
     三峡电站汛期调峰对两坝间通航条件影响试验
短句来源
     The experiment study on influence of TGP regulation the peak flood to the navigational condition between Two Dams shows: The regulation peak has the characteristic with large discharge,widely discharge variation and water level fluctuant and so on. During the adjust peak,the velocity and slope during two dams are higher than low water evidently,and the influence on navigation is obvious.
     三峡电站汛期调峰对两坝间通航条件影响试验研究成果表明:三峡电站汛期调峰具有流量大,流量变幅大,水位波动强等特点,电站调峰过程中两坝间河段沿程流速、比降较枯水期调峰显著增大,对航运的影响更为明显.
短句来源
     Model test indicated that in case the reverse regulation of Gezhouba Hydropower Station could be utilized,during TGP Hydropower Station regulating peak, all hydraulic indexes between two dams and downstream Gezhouba Project would satisfy the requirements for navigation.
     水工模型试验研究表明 ,三峡电站汛期调峰时 ,运用葛洲坝电站进行反调节 ,两坝间和葛洲坝下游河段的水力指标可以满足航运要求
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  相似匹配句对
     Two.
     二、末日意识
短句来源
     There is synergism between two drugs.
     两药可能有协同作用。
短句来源
     Fairyland Between Two Cities
     京津新城 城市之间的诗意栖息地
短句来源
     Two.
     二.
短句来源
     Long-Term Hydraulic-Dynamics and Sediment Accumulation Between Two Impounding Dams
     蓄水两坝间长系列水动力及泥沙淤积的研究
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  between two dams
The results show that the behavior of the vortices is closely related to the space between two dams, water depth, Fr number and Reynolds number.
      


The microcomputer control system for flow and water level on the model by the standards of navigation water technology of the Yangtze River between two dams is presented in this paper. The composition of this system, computer hardware and software, and P. I. D. control calculation was used in this system and the result is proposed.

本文主要介绍长江三峡两坝间通航水流技术标准试验模型流量水位自控系统。论述了系统的组成、硬件和软件,以及系统采用的P.I.D.控制算式和应用结果。

The double deck arch dam of laxi reservoir in Nandan county is a reinforcing and extending project. Original arch dam is 37. 75m high. The dam was planned to heightem to 55. 2m,finally a new thin arch dam of 55. Zm high was built upstrea the old one instead. Both the old and the new form a double deck arch dam and support loads. The space between two dams may be filled with water,So a part of water pressure is transmitted,and the dam abutment steady and the stress state are improved.

南丹县拉希双层拱坝是一项加固扩建工程。已建砌石拱坝坝高37.75米,有效库容737万立方米,计划将坝加高到55.2米,有效库容增至2755万立方米,初拟在原坝上加高,但新旧坝体结合,应力分析和基础处理等均感困难,故改用在上游另建一高为55.2米的薄拱坝与原拱坝形成双层拱坝联合受力的方案。两层拱坝间充水,传递部分水压力。这样不仅解决了上述难题,还改善了坝肩稳定条件和坝体应力状况,节省了工程投资。工程现已投入运行。

In the Three Gorges Project (TGP) Gezhouba Project(GP) step power station cooperation hydraulics model test, daily Changing amplitude of TGP power stations releasing discharge is large and that of Gezhouba Project in its reverse regulation is huge with low water head. Aiming at the above mentioned features, different design principles and control methods have been adopted respectively to solve the automatic discharge control problems for two power stations. For the measurement of unsteady flow hydraulics...

In the Three Gorges Project (TGP) Gezhouba Project(GP) step power station cooperation hydraulics model test, daily Changing amplitude of TGP power stations releasing discharge is large and that of Gezhouba Project in its reverse regulation is huge with low water head. Aiming at the above mentioned features, different design principles and control methods have been adopted respectively to solve the automatic discharge control problems for two power stations. For the measurement of unsteady flow hydraulics parameters in river between two dams and downstream Gezhouba reach, the supersonic water level sensors and two dimension velocity sensors were used to realize concentrative measurement in real time and automatic data processing. The software adopted modular design. The whole system is simple, clear and efficient. An application example for showing the automatic control and measurement is given.

三峡 -葛洲坝梯级电站联合调度水力学模型试验中 ,三峡电站下泄流量日变化幅度较大 ,葛洲坝电站反调节时流量大而水头较低。针对上述特点 ,分别采用不同的设计原理和控制方法 ,较好地解决了两电站流量的自动控制问题 ;针对两坝间及葛洲坝下游非恒定流水力学参数的测量 ,采用超声水位传感器和二维流速传感器实现了集中实时测量并自动处理输出 ,软件采用模块设计。整个系统简单、清楚、高效 ,并举实例说明自控及测量系统的应用

 
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