An analytical recurrence method was developed for calculating the thermal stresses in steam turbine rotor with a central hole.
建立了有中心孔的转子热应力解析递推计算法。
The results presented here in can be used to predict transient temperature field, transient stress field, and fatigue lifetime of the steam turbine rotor.
所得结果可用于转子的动态温度场和应力场计算以及疲劳寿命预测。
To the embrittlement phenomenon of steam turbine rotor, this thesis calculated 300mw steam turbine rotor's transient temperature field of cold start-up using FEA method.
本文针对汽轮机转子的脆化现象,运用有限元方法对引进型300MW汽轮机冷态启动过程的高中压转子瞬态温度场进行了分析计算。
In the light of the problems involved in a steam turbine rotor fault diagnosis proposed in this paper is a new diagnostic method based on a fuzzy self organizing neural network.
针对汽轮机转子故障分类问题,采用模糊数学和自组织特征映射神经网络方法诊断汽轮机转子的故障。
The fast cooling technology of steam turbine is the process that the cooling medium is used to accelerate the temperature reduction of cylinder and rotor after the shutdown of turbogenerator.
汽轮机快速冷却技术是在汽轮机组停运后,向汽轮机内部通以适量的较低温度的冷却介质,进行强迫对流换热,加快汽缸和转子温降速度的过程。
Using FEM to model the rotor system of ultra supercritical steam turbine, treating the rotating rotor and static bearing-foundation as a coupling whole, the program is compiled.
考虑汽流激振的超(超)临界汽轮机转子系统的稳定性分析是个较新的课题。
Turbine is important social production equipment, also known as steam turbine; it transforms steam internal energy into mechanical energy of the rotating rotor dynamic organization.
汽轮机是社会生产中的重要设备,又称蒸汽透平,是将蒸汽内能转化为转子机械能的旋转式动力机构。
Numeral superposition method of temperature and stress field in the rotor of steam turbine is studied in the paper.
探讨了汽轮机转子温度、应力场的数值叠加算法。
This paper presents the key technical points in increasing the capacity of an industrial turbine, such as steam flow, rotor strength, axial thrust and auxiliary equipments.
具体阐述提高工业汽轮机能力需考虑的主要技术问题:蒸汽流量,转子强度,轴向推力及辅助设施。
And the rotor and cylinder of industrial steam turbine are taken for example to be certified in this system.
并以工业汽轮机转子和汽缸为例,在该系统下进行应用验证。
The cause of water erosion in the end rotor blade of 100 MW steam turbine is analyzed with solution proposal.
对神木发电有限公司100MW汽轮机末级动叶片水蚀原因进行了分析,并提出了解决方案。
The characteristics of steam distribution system of a steam turbine under part-load conditions will affect not only the economy but also the rotor system stability of the unit.
部分负荷工况汽轮机的调节配汽特性不仅影响机组运行的经济性,而且直接影响机组轴系的稳定性。
Some NDT methods for surface defects, mainly cracks, on the rotor central bore of steam turbine and generator are introduced, and the features are compared and analyzed.
介绍了目前常用的几种检验汽轮机、发电机转子中心孔内表面缺陷(主要是裂纹)的无损检测手段,并对各自的特点进行了分析比较。
Presently, the method of steady state unbalanced currents is widely used in the field test of torsional vibration characteristics of large-scale steam turbine generator rotor system.
目前大型汽轮发电机组轴系扭振特性的现场试验中广泛采用稳态不对称短路变频激振法。
With the IP rotor of 200mw steam turbine as an example, transient temperature and thermal stress field calculation is made Finally, some useful data and conclusions are obtained.
并对20万千瓦汽轮机中压转子作了实际计算,最终得出一些有用的数据和结论。
Ultrasonic inspection technology for the narrow section of a weld in low-pressure rotor of steam turbine is studied.
研究汽轮机低压转子焊缝狭窄部位超声波探伤工艺。
This paper describes the mechanism and diagnosis method of vibration of steam turbine arising from the moving parts on rotor and details the diagnosis of vibration fault of one 200 MW steam turbine.
论述活动部件引起振动的机理和诊断方法,详细介绍一台200MW机组振动故障的诊断。
The method and step of the calculation of the low cycle fatigue for the high pressure rotor of a steam turbine are introduced and summarized.
本文推论并总结了对汽轮机高压转子进行低周疲劳计算的方法和步骤。
The method and step of the calculation of the low cycle fatigue for the high pressure rotor of a steam turbine are introduced and summarized.
本文推论并总结了对汽轮机高压转子进行低周疲劳计算的方法和步骤。
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