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.
本文结合岩滩泄水底孔减压试验,讨论了三个问题。
Three problems on the depression test of Yantan outlet are discussed.
观音阁水库底孔坝段采用碾压混凝土尚属国内首例。
Roller crushed concrete is adopted first within our country in DAMS with bottom conduits in Guanyinge reservoir.
底孔闸门布置在大坝的中部靠下,承担大坝冲沙任务。
The bottom hole strobe arranged in dam middle, undertakes the dam to flush the sand duty.
施工实践证明,底孔压浆混凝土强度高于普通混凝土强度。
The construction practice proves that the grouted concrete strength higher th an the normal concrete strength.
介绍了拉深模、冲底孔、冲槽模及冲侧孔模的三种模具结构。
Three kinds of mould structures were also introduced including drawing mould, punching bottom hole and punching groove mould, and punching side hole mould.
本论文为加工主轴箱箱体右侧十个螺纹底孔的组合钻床的设计。
This thesis combination machine for design processing many stalks the box ten screw threads of rights the bore bed.
最后以这两个孔为基准,分别加工右侧的槽和顶面的螺纹底孔。
Regard these two bores as the basis finally, process the right-hand slot respectively with the thread bottom bore of the a.
研究了两种调度方案,即10个底孔间隔开启方案和分区调度方案。
The first scheme is that the operations of 10 bottom outlets were used in interval, and, the seeond , in subregion regulation.
采用短横孔人工缺陷和平底孔人工缺陷的当量标定或用大平底当量计算法。
Equivalent calibrations of short horizontal hole artificially defects and big flat-bottomed hole artificially defects or calculation equivalent of big flat-bottom are adopted.
同时,结合生产任务,为龙滩底孔弧形闸门的优化设计和安全运行提供参考意见。
Finally, combined with productive tasks, some Suggestions are provided for the optimum design and safe operation for Longtan bottom radial gate.
为解决这一难题,进行了多项模型试验和现场试验,证实泥沙磨蚀为底孔破坏主要原因。
To solve such a problem, several model tests and site tests have been carried out.
论述了在薄板冲压件上,用变薄翻边冲制小螺纹底孔的工艺、冲模结构、设计与制作技术。
Discuss punching small thread fluted opening technology, die structure, die design and die manufacture technology on thin sheet.
同时,可以利用调整阀瓣的自重、弹簧的弹力以及阀瓣的底孔大小来确定阀门的开启压力和启闭时间。
Meanwhile, the flap valve can be used to adjust weight, spring tension and the bottom outlet valve flap valve opening size to determine the pressure and open and close time.
针对某大型水利枢纽导流底孔弧形闸门,在闸门上布置若干MR阻尼器,采用半主动控制来减小振动。
Semi-active control method was proposed to reduce the vibration of certain radial gate installed with magnetorheological(MR) dampers in some key large hydraulic project.
本文证实李家峡水电站左底孔不存在阵发性不稳定流态问题,模型上的这种不良流态是模拟条件引起的。
This paper proves that there is no instable flow in the bottom outlet works in Lijiaxia Hydroelectric station and the instable flow in the several models is caused by the modeling condition.
通过与平底孔试块实际缺陷回波信号的对比,验证了脉冲超声波有限差分法模拟计算的有效性和正确性。
Validity and feasibility of the finite difference time domain method is demonstrated by the echo-wave signal of a flat bottom hole block.
宝鸡峡水库是修建在多泥沙河流上的水利水电枢纽工程,工程布置采用了大底孔的方案,又设置事故检修闸门。
The Baojixia Reservoir is constructed on the river with the overload flow. The large scale bottom outlet was adopted, and the emergency overhaul gate was set.
景洪水电站主厂房右侧紧邻右冲沙底孔,右冲沙底孔作为二期纵向围堰的组成部分,在主厂房开挖前已经形成。
In order to ensure the excavation of sediment discharge bottom outlet at right side and foundation of the power house dam section, the blasting method was used in Jinghong power station.
通过模型试验研究,肯定了拉沙洞前置的合理性;确定了水库调度的具体方案;并由右岸拉沙底孔的拉沙效果提出加设机组的构想。
Through the experimental research, the rationality of setting up the sediment flushing tunnel before the intake is ascertained, and a detail scheme for the reservoir control is made up.
本文采用三维有限元法,对碾压混凝土坝底孔缺口坝段在过流情况下,顶部未到设计龄期的碾压混凝土和大型导流底孔周边的应力分布进行了分析。
In this article three dimension FEM is adopted in the stress analysis of bottom diversion outlet and notch segment of a RCC gravity dam when flowing design flood.
本文采用三维有限元法,对碾压混凝土坝底孔缺口坝段在过流情况下,顶部未到设计龄期的碾压混凝土和大型导流底孔周边的应力分布进行了分析。
In this article three dimension FEM is adopted in the stress analysis of bottom diversion outlet and notch segment of a RCC gravity dam when flowing design flood.
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