| 1. | Pattern amp; amp; control of sediment deposition at bikou reservoir
岩滩水库泥沙淤积分析 |
| 2. | Measurement of dynamic stress for the vane of hydraulic turbine at yantan power station
岩滩水电厂水轮机转轮动应力测试 |
| 3. | Study on influence on design flood of yantan hydropower station after building up longtan hydropower station
龙滩建成后对岩滩电站设计洪水的影响研究 |
| 4. | In chapter 2 , some previous test data in situ and deduced conclusions of powerhouse vibration in yantan project are summed up
第二章归纳整理了岩滩水电站历次厂房振动现场试验的测试数据和试验结论。 |
| 5. | Many great consulting projects have been accomplished , including those for the mist phenomenon of three gorges project on yangtze river , for yantan power plant , for ankang power plant , for ertan power plant , for xiaowan power plant , and for shanxi project
近期进行了三峡水电站、岩滩水电站、安康水电站、二滩水电站、小湾水电站及珊溪水利枢纽等重大工程的泄洪雾化对枢纽环境的影响咨询，并提出了判断雾化的雨雾强度、影响范围和防治雾化的各种工程措施。 |
| 6. | In chapter 3 , the subgrid eddy - viscosity model for large eddy simulation is applied to calculate the three dimensions unsteady periodic turbulent flow in yantan francis turbine . the pulsating characteristics of some main physical parameters in flow field are found . the calculated axial water thrust of hydraulic turbine agrees with the model - test value
第三章采用大涡模拟亚格子涡粘模型，对岩滩混流式水轮机的流场进行三维非定常湍流分析，得到了流场中各物理量的脉动特性，计算出ms的轴向水推力与模型试验值大小相当；同时论证了对于下机架承重的混流式水轮发电机组可采用其推力轴承负荷作为水电站厂房振动的最大垂直激振荷载。 |
| 7. | Based on the vibration test in yantan hydropower house , in this paper the author adopt les method which belong to three dimensions unsteady turbulent flow numerical analysis to simulate vibration resource characteristics of hydrogenerator set , a harmonic vibration model of powerhouse substructure is put forward to carry out firstly a precise modal analysis and dynamic response analysis for generator floor . the numerical calculation results agree well with the surveyed data in situ
本文结合岩滩水电站厂房振动的试验研究，采用非定常湍流数值分析的大涡模拟方法进行混流机组水力振动振源模拟；提出一种水电站厂房下部结构简谐振动模型，首次进行了发电机层楼板结构的精确模态分析和水力激振荷载下的动力响应分析，各项计算结果与实测数据吻合良好。 |
| 8. | In chapter 4 , the model - building principle and calculating method of finite element dynamic analysis for large - sized assembled structure are discussed . the substructure model for hydropower house vibration analysis is established to obtain precise modal of generator floor . the harmonic vibration assumption is adopted to calculate house structure ' s dynamic response from hydraulic excitation force of hydraulic turbine generator unit
第四章讨论了大型组合结构有限元动力分析的建模原则和计算方法，建立水电站厂房振动分析的下部结构模型，对岩滩厂房进行整体模态分析，较准确地得出发电机层楼板自振特性；同时引进简谐振动假定，迸行了机组水力振动作用下的厂房结构的动力响应分析。 |
| 9. | Because of the similarity between hydropower house and three gorges hydropower house , the analysis method of yantan project can be used in three gorges project too . the calculating results indicate the generator floor in three gorges project would occur strong vibration the same as in yantan project on the most disadvantageous condition
考虑到岩滩厂房与三峡厂房的类似性，因此将岩滩研究成果应用于三峡工程，结果表明三峡厂房在最不利条件下有可能发生与岩滩厂房相同强度的强烈振动。 |
