| 1. | Results show that the water level fluctuation with a long cycle and slow attenuation causes long regulation time of the unit
计算分析表明，周期较长衰减较慢的尾水调压室水位波动会影响运行机组的调节品质，主要表现为调节时间较长。 |
| 2. | The tailrace surge chamber shared by two units , common in hydropower stations with diversion systems , has problems of water level fluctuation and hydraulic disturbance
摘要双机共尾水调压室是水电站引水发电系统中一种常见的布置形式，存在尾水调压室水位波动和水力干扰问题。 |
| 3. | The ascertainment of surges in surge tank and waterhammer pressure in pipe systems is the key point of the design of surge tanks and the safe function of the water power station
调压室中的水位波动以及压力管道水击压强的确定对调压系统的正确设计和确保电站调压系统的正常运行至关重要。 |
| 4. | The explicit method of calculating surges in throttled , simple and downriver throttled and simple surge tanks has been derived for the first time by use of thaler series expansion from the basic formulation of surge tank . 2
根据调压室的基本微分方程，利用泰勒级数展开方法首次推导出了阻抗式、简单式、尾水阻抗式和简单式调压室水位波动的显式计算公式。 |
| 5. | The surges in the throttled , simple , downriver throttled and simple and differential surge tanks and the calculating method of the waterhammer pressure in pipe systems have been studied through the theoretic analysis and experiments in the paper
本文根据理论分析和模型试验相结合的方法，研究了阻抗式、简单式、尾水阻抗式和简单式、差动式调压室的水位波动过程和压力管道水击压强的计算方法。 |
| 6. | The paper makes out the calculating program of the surges in throttled . , simple and differential surge tanks with the method of runge - kutta , fortran 90 and the basic formulation of surge tank on the visual fortran background compiler . 4
在windows环境下，使用visualfortran编译平台，从调压室的基本方程出发，采用四阶龙格库塔方法，用fortran90语言编制了阻抗式、简单式及差动式调压室的水位波动计算程序。 |
| 7. | The main work is done with the help of model experiment . in the flood - relief experiment , the flood carrying capacity of spillway tunnel is checked . in the hydraulic experiment of the diversion power conduit system , the followings are studied : the flow condition and fluctuation in the surge chamber , the distribution of flow velocity before the rack in the surge shaft , the amplitude of stage in the quick gate bay etc . the test step , content and results of different proposals are introduced in details
本项优化试验研究的目的主要在于，通过泄洪系统整体水力学试验，校核泄洪洞的泄流能力；通过发电引水系统整体水力学试验，研究调压井内水流流态和水位波动情况、调压井内拦污栅前流速分布情况；确定快速闸门井内水位波动幅度；试验确定压力管道水击压力穿井系数以及泄洪洞弧形门处的水压力。 |
| 8. | At the same time , figures involving attribute data about flow field at inlet and outlet downstream or wave motion of water at the downflow head of lock chamber of siyang navigation lock were displayed through gis application system which we developed . according to data of baoying navigation lock acquired by mathematics model , figures about velocities which have the same value , velocities toward cross direction which have the same value and flow field at inlet and outlet upstream were formed . achievement data , space information and attribute information were in connection with figure so as to search for and analysis the information , which is satisfying
同时完成了江苏泗阳船闸下游引航道非恒定流及其改善措施的计算分析研究和宝应船闸上游引航道口门区水流条件计算分析研究，运用gis技术和所设计的gis应用系统对泗阳船闸下游引航道内流场以及下闸首水位波动情况进行信息显示，根据对宝应船闸的计算结果生成上游引航道口门区等流速图、横向流速等值线图和流场图，使计算分析成果数据、空间信息、属性信息与图形显示有机结合，便于查询分析，效果令人满意。 |
| 9. | The theoretic calculating method of the maximum and the minimum water level in the differential surge tank has been derived firstly . also the explicit method of calculating surges in the differential surge tank has been deduced firstly by use of thaler series expansion . the calculating method of section of the well and the effective impedance hole in the surge tank has been gived
根据差动式调压室的基本微分方程，首次推导出了差动式调压室涌浪幅值的理论计算公式；并同样利用泰勒级数展开方法推导出了差动式调压室水位波动的显式计算式；导出了差动式调压室大井面积和有效阻抗孔面积的计算方法。 |
