| 1. | Design standards for flocculation tank with rack and screen
栅条网络絮凝池设计标准 |
| 2. | Standard for design of flocculation tank with rack and screen
栅条网络絮凝池设计标准 |
| 3. | Study on vibration characteristics of single rack in trash - rack
拦污栅结构中单根栅条振动特性研究 |
| 4. | During pumping operation the maximum strains are subject to variation from 17 v - e to 22p e with velocity from 0
给出了模型中栅条系统的实测自振谱和发生超驰振动时的临界流速。 |
| 5. | The different altitude up to base plate and distance between suspension girder has been set up and it lead to different damping ratio . lots of experiment is done in order to find optimum altitude and distance of suspension girder
研究发现，不同悬栅设置高度，不同栅条间距时产生的消能效果不同，并对此用模型试验进行了最佳悬栅高度及栅条间距的优化分析。 |
| 6. | Based on research of the antenna assemble procedure , the simulation model of the reflector is set up and error modeling and simulation of position of stick holes , grid bar acrossing the hole and rms of reflector face are achieved
在分析栅格天线装配过程基础上，建立了其反射面装配的仿真模型，并对栅支板中心圆孔位置误差、栅条穿人误差和栅面误差进行了建模与仿真计算。 |
| 7. | A brief introduction is described which indudes the state of the art of research and design about the trashracks of conventional and pumped - storage hydroelectric plants , the necessary to research the flow - induced vibration of the trashrack bar by use of hydro - elastricity similaymodel and the background of this study
对抽水蓄能泵站拦污栅流激振动的研究状况、设计方法，本研究课题的背景和采用水弹性模型研究栅条流激振动的必要性作了简要说明。 |
| 8. | The natural vibration spectrum curve is measured and the critical velocity to induce trashrack bar galloping is calculated . the effect of bar spacing on the bar strain and the characteristics of the exciting force are discussed . by fatigue analysis it is obtained that the service life of weld at the fixed end of the bar is about 13
分析了发电工况和抽水工况时的振源特性，讨论了栅条净距对栅条应变的影响，按钢结构设计规范对栅条进行了疲劳计算， 1 ~ #测点处可视为不会发生疲劳破坏， 2 ~ #测点焊接处的疲劳寿命约为13 . 6年。 |
| 9. | According to the gravity - elasticity similar law the model scale of bai shan pumped - storage hydroelectric plants is taken as the trashrack bar is made of zinc , the relative errors between its practical density and elastic modulus and its proper values are - 7 . 82 % and + 1 . 43 % , respectively . by lvs measuring the velocity distribution ahead the trashrack bar and on the basis of the velocity distribution the working conditions of the pumped - stroage hydroelectric plant are controled . the dynamic strain of the trashrack bar induced by flow are measured using strain slips
选择白山抽水蓄能泵站拦污栅水弹性模型的主要比尺为_ l = 3 、 _ e = 3 、 _ p = 1 ，栅条用锌板加工而成，模型材料的实际密度和应有密度的相对差为- 7 . 82 ，模型材料的实际弹模和应有弹模的相对差为+ 1 . 43 ，用激光流速仪量测栅前流速分布，并用流速分布作为控制工况的依据，用应变仪量测栅条应变。 |
