| 1. | Research on the nonlinear kinetics behavior calculation of a real higher - dimensional rotor - bearing system 大型汽轮发电机组轴系扭振的动频研究 |
| 2. | A new modeling method of shaft system is brought forward to make the simulation more accurate 对汽轮发电机组轴系提出新的建模方法以使仿真结果更为准确。 |
| 3. | The instability mechanism of shaft system is analyzed and the concept torsional vibration stability limit is put forward 分析了汽轮发电机组轴系失稳的机理,提出扭振稳定极限的概念。 |
| 4. | The applicability of complementary - cluster energy - barrier criterion on researching stability of shaft system torsional vibration is discussed 对互补群群际能量壁垒准则在汽轮发电机组轴系扭振稳定性研究中的适用性进行了探讨。 |
| 5. | Past but discuss the turbogenerators a shafting problem , describe two kinds of characteristics that lose the steady pattern with judge the method and then become the contents of thesis chapter 5 故而探讨汽轮发电机组轴系稳定性问题,描述两种失稳型式的特征和判断方法就成为论文第五章的内容。 |
| 6. | Modal bode plot theory for diagnosing the rotor imbalance axial position and rotor imbalance type is presented based on advanced rotor dynamics theory and field balancing rotating machinery theory and comprehensive experience of field balancing steam - turbine generator set 摘要基于转子动力学理论、汽轮发电机组轴系现场动平衡理论和工程实践经验,提出可直接判断轴系不平衡轴向位置及不平衡型式的振型波特曲线方法。 |
| 7. | The equation can solve bearing load distribution in multi - support rotor - bearing system by generalizing . 200mw generator set , 300mw generator set and 600mw generator set were analyzed and computed . the results indicate that the values of numerical calculation have a good agreement with known performances 本文分析了汽轮发电机组轴系的动力特性,建立了大型汽轮发电机组轴承负荷分配计算的矩阵方程,该方程可用于计算轴承的负荷,并用实例说明了求解方法,该方程可推广到求解多支承转子?轴承系统的轴承负荷分配,对200mw机组、 300mw机组、 600mw机组进行了分析计算,结果表明理论计算和实际情况一致。 |
| 8. | Magnetoelectricity gear method is a general torsional oscillation measurement method . it has disadvantages on less measure point and improved - needed dynamic characteristic . in the paper a new method of measuring torsional oscillation of the turbine - generator shaft was proposed on the basis of high speed ccd ( charge coupled device ) photography 现行的扭振测量方法以磁电式齿轮测量法为主,这种方法存在测点少,动态特性有待提高的缺点,就此本文提出了一种基于高速ccd ( chargecoupleddevice )摄像技术的汽轮发电机组轴系扭振测量的新方法。 |
| 9. | Periodic , quasi - periodic and chaotic motions show on alternately when the rotating speed is near to 2 / 3 0 . combined step - by - step integral method with traditional transfer matrix method , an increment transfer matrix method is put forward . based on riccati method , the increment transfer matrix method is used in a multi - mass model 将逐步积分法与传统传递矩阵法相结合,提出了增量传递矩阵法思想,文中相该方法应用于多段集中质量模型,并结合riccati法,推导了汽轮发电机组轴系弯扭耦合振动响应计算的矩阵表达式,并开发了一套较完善的汽轮发电机组弯扭耦合振动分析软件。 |