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      surge     
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  涌浪
    Random Model and Solution to Surge and Waterhammer
    水电站水击和调压室涌浪的随机数学模型及其求解
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    Programming and Analysis concerning Combined Water Hammer and Surge Tank Calculations
    水击压力和调压室涌浪联合计算的程序编制和分析
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    Stochastic Model for Surge Analysis
    调压室涌浪分析的随机模型
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    Progress of Stochastic Analysis on Waterhammer and Surge at Hydropower Stations
    水电站水击与调压室涌浪随机分析研究进展
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    Test and Study of Surge in Surge Chamber for Luosiwan Hydropower Station
    螺丝湾水电站调压室涌浪的试验研究
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  调压
    Random Model and Solution to Surge and Waterhammer
    水电站水击和调压室涌浪的随机数学模型及其求解
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    STUDY ON STABILITY OF TURBINE GOVERNING SYSTEM WITH SURGE TANK
    带有调压井的水轮机调节系统稳定性的研究
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    Programming and Analysis concerning Combined Water Hammer and Surge Tank Calculations
    水击压力和调压室涌浪联合计算的程序编制和分析
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    THE DETERMINATION OF THE OPTIMUM IMPEDANCE COEFFICIENT OF THE SURGE TANK IN A HYDROPOWER STATION
    水电站调压井最佳阻抗系数的确定
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    The Calculation Methods of Oscillation in Surge Chambers
    调压室涌波计算方法
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  水击
    Random Model and Solution to Surge and Waterhammer
    水电站水击和调压室涌浪的随机数学模型及其求解
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    Programming and Analysis concerning Combined Water Hammer and Surge Tank Calculations
    水击压力和调压室涌浪联合计算的程序编制和分析
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    THE DESIGN RESEARCH OF TEST INSTALLATION SCHEME FOR WATER HAMMER AND SURGE CHAMBER
    水击及调压室实验装置方案的设计研究
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    Progress of Stochastic Analysis on Waterhammer and Surge at Hydropower Stations
    水电站水击与调压室涌浪随机分析研究进展
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    Combined Solution of Water Hammer Pressures and Surge Waves in Tailrace System of Hydropower Station
    水电站尾水管水击与尾水调压室涌波联合计算
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  纵荡
    The calculated first-order response function of motions,motion spectrums and statistical values of surge,heave and pitch motions were compared with the corresponding ones in model test.
    将理论得到的纵荡、垂荡和纵摇运动的一阶运动响应函数、运动谱以及统计值与相应的试验结果进行了比较,试验中浪向角180°,波浪采用西非的极限波浪.
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    By programming software, surge and heave response and the velocity of TLP motion were presented, it can be seen that the motion response of TLP could be predicted precisely.
    编制相应的计算程序,得到平台本体运动随时间变化的历程曲线,揭示了平台位移、速度随入射波频率、波高变化的规律以及张力腿平台弱非线性纵荡运动和强非线性垂荡运动的特征。
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    Through analysis to the surge response, we can find that when the frequency of the incident wave is too low to the inhered surge frequency of TLP, very big displacement will take place.
    经过计算分析,发现在入射波频率很低且接近张力腿平台纵荡固有频率时,平台将会产生很大位移。
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      surge
           The nucleation of the new phase is treated as a fluctuation "surge" in the system.
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           An additional surge of the amplitude and a double change of the phase in it occur between anodic zeros.
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           The compound phase curves of brightness of the satellites in the spectral bands at 0.25, 0.41, 0.48, 0.56, 0.75, 0.91, 1.4, and 1.8 μm, which include a pronounced opposition surge and linear part, were constructed.
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           Surge variations in water level in the Danube mouth
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           The regularities of surge-induced water level variations in the Danube mouth are considered.
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             The design of the stable cross-sectional area of a surge tank in the past was based upon Thoma's formula,which had been derived on the assumption of ideal regulation. The area calculated often tended to be larger than actually required, resulting in not only increase of project investment but also retardation of building speed. This paper considers the various influencing factors of stability, establishes a mathematic model of water power station with true regulation system, and derives a more complet...
                以往设计调压井稳定断面所用的托马(D.Thoma)公式是在理想调节假设下导出的,计算的调压井面积往往偏大,增加了工程投资,减缓了施工进度.本文考虑了影响稳定性的各种因素,建立了水电站实际调节系统的数学模型,导出一个较完整的调压井临界稳定断面公式,用此公式经合理地选定调速器参数计算结果,使水电站调压井在小于托马临界稳定断面下也能稳定运行,并指明托马等人的公式只是本文所提出公式的特例.文中还对引水式电站是否可以取消调压井给出简易判式.
    文摘来源
             When the waterway of a hydroelectric station is rather long,the expensive structures of surge chamber are usually required. If it is desired to avoid the use of surge chamber,not only the problem of the higher water hammer pressure but also that of the stability and quality of governing must be solved. In this paper,the control differential equations of governing are given out first,then the critical condition of stability under small oscillation and the method to detrmine the transient process ...
                水电站的引水道较长时,常需设置昂贵和复杂的调压井结构.近一二十年来国内外都在研究不设调压井的问题.但这时不仅应解决水锤压力和机组飞逸问题,而且要确定机组的过渡过程和调节质量.另外,也要研究某些水电站在泄洪时尾水振荡对机组运行的影响. 本文较完整地给出调节过程的框图和各环节的控制方程,讨论了小波稳定的判别条件和过渡过程的确定,并讨论了各种因素对调节质量的影响.然后给出差分计算方法.文章最后指出在不少工程中有可能不用调压井并提出对进一步研究工作的建议.
    文摘来源
             Calculations are carried out for the governing stability-limit curves concerning four hydroelectric plants, with and without a surge tank. The characteristics of the water turbines are considered.Conditions are made to vary by taking the turbines real and ideal, the load self-regulation coefficients equal to one and zero,and the criteria for stability of high and low orders. The factors of the conduit head-loss and the permanent speed droop are allowed for.Explicit algebraic equations for the calculat...
                本文对四个水电站的调节稳定曲线进行了计算,考虑了水轮机特性和调压井断面积的影响,以及电站的各种布置.布置包括了不设井的单机单管、对称并联、和设有调压井的情况.计算取负荷自调节系数为1和0,取水轮机为真实的和理想的,并取判定条件式为高阶及低阶的.对由此所得到的各种稳定曲线进行了比较研究.指出当应用理想水轮机作为简化计算的假设时,必须特别小心.当用于有调压井的情形,它可能有大的错误,即调压井面积越大,系统越不稳定.但对真实水轮机计算结果则反是,符合实际.当用于无调压井的情形,理想水轮机的假设仅在机组对管道时间常数之比为大值时误差不大,为可行的.文中还指出稳定曲线与曲线之间变化很大,影响稳定性的因素很多,应按照具体条件并作全面考虑,对稳定曲线进行计算,所得结果才能准确.为此给出了计算通式,包含了14个或11个影响参量,是稳定曲线的精确解式.
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