汽轮机转子
- 网络steam turbine rotor;rotor
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依据汽轮机转子钢30CrlMolV的低周疲劳实验的部分数据与免疫遗传算法,对转子钢低周疲劳裂纹扩展速率模型进行优化计算。
According to immune-genetic algorithm and the partial data of low cycle fatigue experiment of the steam turbine rotor steel ( 30Cr1Mo1V ), optimization calculation was carried out .
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基于BP神经网络的汽轮机转子钢热脆化性能的预测
BP artificial neural network prediction on Temper Embrittlement of steam turbine rotor steels
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MATLAB在汽轮机转子热应力仿真中的应用
Application of MATLAB in Heat Stress Simulation of Steam Turbine Rotor
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基于小波包分析及Lyapunov指数的汽轮机转子振动故障诊断
Turbine Rotor Vibration Fault Diagnosis Based on Wavelet Packet Analysis and Lyapunov Exponent
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Bayesian神经网络在EPR法检测汽轮机转子钢热脆化性能中的应用
Application of Bayesian Neural Network in the EPR Method for Checking Temper Embrittlement of Steam Turbine Rotor Steels
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基于神经网络D-S证据理论的汽轮机转子融合诊断系统研究
Research on marine turbine rotor fusion diagnosis system based on neural network and D-S evidence theory
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MDT在汽轮机转子设计绘图中的应用
Application of MDT in Drawing of Steam Turbine Rotor
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文中介绍了模糊诊断原理在汽轮发电机组转子故障诊断中的应用,并根据该原理研究与开发了基于WINDOWS的汽轮机转子故障诊断系统。
The article introducing confusion diagnoses applying for steam turbine generator suit fault diagnoses , and from the principle , exploding the turbine rotor fault diagnoses system base on windows .
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汽轮机转子涡动汽流激振力分析与CFD数值模拟
Analysis and CFD ( Computational Fluid Dynamics ) Numerical Simulation of Steam Flow Excitation Force Leading to a Whirling of Steam Turbine Rotors
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本文论述了应用一台IBM微机对汽包寿命损耗、汽轮机转子寿命损耗和机组的能损分析诊断系统进行在线管理。
On-line management , using an IBM micro-computer , for drum service life consumption , turbine service life consumption and energy loss analysis / diagnosis system is presented .
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其次,采用ANSYS有限元分析软件,利用其参数化设计语言APDL,建立了汽轮机转子工作热变形参数化有限元分析系统。
Secondly , the parameterized finite analysis system of turbine rotor thermal de-formation based on the secondary development of ANSYS is established .
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基于SVAR的汽轮机转子振动时间序列预测
Time Series Forecast of Rotor Vibration Based on Support Vector Autoregressive
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300MW汽轮机转子中心孔检修工艺探讨
Discussion on Maintenance Technology of Center Hole of 300 MW Steam Turbine Rotor
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本文在Bently实验台上进行了实验,模拟电站汽轮机转子的不对中、不平衡、碰摩和轴承松动4种故障的振动过程。
The steam-turbine vibrating is experimentally simulated on the Bently facility .
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利用数值分析的边界条件,运用ANSYS有限元分析软件,对汽轮机转子及汽缸空负荷工况下,不同排气温度时的相对胀差进行了数值模拟。
Based on terminal conditions of numeric analysis , numeric analysis of the relative expanding difference of shaft and cylinder of steam turbine was made at the different temperatures in the no-load work condition by ANSYS .
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本文的主要内容如下:第一章,阐述了工业汽轮机转子NC代码自动生成的研究背景,讨论了目前的数控自动编程技术的研究现状,并提出了现在NC代码自动生成中所存在的问题。
The main content is as follows : In Chapter One , this dissertation describes the research background of NC code automatically generation of industrial steam turbine rotor , and discusses the situation of the NC automatic programming technology .
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600MW汽轮机转子低周疲劳寿命计算及研究
Numerical Analysis and Investigation of Low Cycle Fatigue Life Damage for Steam Turbine 's High Pressure Rotor
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以复杂零件汽轮机转子主轴为例,利用基于实例的推理(CBR)方法和特征建模技术,构造了一种实用的基于实例推理的相似工艺度量方法。
Taking the manufacturing process of turbine main shaft as an example , the paper proposed a practical approach for measuring process similarity by using the feature modeling technology and case-based reasoning method .
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通过大量的数值模拟,分析了包含横向裂纹时,汽轮机转子Jeffcott模型的非线性动力学行为;
In this paper , the nonlinear dynamical behavior of a horizontal Jeffcott rotor system with a transverse crack is analyzed numerically .
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50MW汽轮机转子的热应力分析
Analysis of thermal stress for rotor of 50 MW steam turbine
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330MW汽轮机转子热应力监控系统综述
Survey of 330 MW Turbine Rotor Thermal Stress Monitoring System
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文中对一台200MW汽轮机转子轴承系统的阻尼固有频率作了计算,计算结果证实,这种代换在数学上是严格的,对数值溢出问题的解决是有效的。
The results show that the substitution is mathematical strict and effective in overcome the overflow problem .
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国产200MW汽轮机转子在线热应力监测与寿命管理
On-line Monitoring of Rotor Thermal Stresses and Service Life Management for a Chinese-made 200 MW Steam Turbine
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200MW汽轮机转子快速动平衡&谐分量-影响系数法的应用
Application of harmonic component - influence coefficient balance method for fast balance of 200 MW turbine rotor
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引进型330MW汽轮机转子在线寿命管理系统的应用化研究
Application Research in On-line Life Management System of Turbine Rotor for Imported 330 MW Unit
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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。
To the embrittlement phenomenon of steam turbine rotor , this thesis calculated300MW steam turbine rotor 's transient temperature field of cold start-up using FEA method .
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为了能有效地解决转子复杂、精密零件的加工问题,本文研究了工业汽轮机转子NC代码自动生成方法,以此来减少工业汽轮机转子数控编程所花时间,提高数控编程效率,缩短生产周期。
In order to effectively solve the processing problem of complex and precision rotor , this paper researches automatically generated NC programming of industrial steam turbine rotor . It can reduce the time spent to NC programming , improve the efficiency of NC programming and shorten the production cycle .
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AP-6-6汽轮机转子修复及有关问题的探讨
Repair of ap-6-6 type steam turbine rotor
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为提高电化学动电位再活化法(EPR)检测汽轮机转子钢(30Cr2MoV)热脆性的检测精度,利用Bayesian神经网络建立了预测模型。
Making use of Bayesian Neural network , a prediction model has been established for improving the accuracy of checking temper embrittlement of steam turbine rotor steel ( 30Cr2MoV ) by the electrochemical potentiodynamic reaction ( EPR ) method .
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125MW汽轮机转子启停调峰寿命损耗的优化控制
The Optimum Control of Service Life Loss of a 125 MW Steam Turbine Rotor During Peak Load-shaving Operations Involving Frequent Turbine Start-ups and Shutdowns