steam turbine vibration 中文意思是什麼

steam turbine vibration 解釋
汽輪機振動
  • steam : n 1 蒸汽，水蒸氣，水氣，霧，蒸氣壓力。2 〈口語〉精神，精力，氣力；怒氣。3 輪船，乘輪船旅行。vi 1 ...
  • turbine : n 【機械工程】（渦）輪機，葉輪機，汽輪機，透平機。 a hydraulic [water] turbine 水輪機。 a steam t...
  • vibration : n. 1. 振動，顫動；擺動；【物理學】振動。2. （心的）震顫。3. （思想情緒的）激動。4. 猶豫。adj. -al
  1. An adaptive wavelet network classifier for vibration fault diagnosis of steam turbine - generation is proposed based on theory of adap tive wavelet network ( awn )

    基於自適應小波網路理論，構造了一個應用於汽輪發電機組振動故障診斷與識別的自適應小波網路分類器。
  2. Vibration analysis of mistuned bladed disc of steam turbine

    輪盤系統耦合振動分析
  3. Presents the model proposed for analyzing the vibration characteristics of shrouded blades and their calculation method by employing a wave propagation theory and modal synthesis technology coupled with a finite element method from the view point it is possible not only to conduct frequency modulation of the shrouded blades of a gas turbine, but also to utilize the friction effects between them to dissipate energy, thereby attaining the aim of vibration alleviation, as shrouded blades have been widely used in the design of high - speed turbomachinery, such as modern gas turbines and steam turbines, and with the shrouded blades forming an integral whole in a centrifugal force field, the vibration characteristics of the whole ring of blades are different from those of a single isolated blade, and this makes it essential to take into account the integral effect of blade shrouds, concludes from the calculation examples and engineering application that the above approach is valid and correct along with the possibility of considerably reducing the scale of calculation and analysis, and points out it is necessary to take into consideration the coupled effect of the whole ring of blades while the dynamic characteristics of shrouded blades is being analysed

    帶冠葉片不但能調頻，還可以利用葉冠之間的摩擦效應來耗散能量，達到減振的目的.帶冠葉片在離心力場中形成一整體，其整圈葉片振動特性不同於單個孤立葉片，需考慮葉冠的整體效應.利用帶冠葉片系統的循環對稱性，提出了採用波傳播理論和模態綜合技術，結合有限元方法研究燃氣輪機帶冠葉片振動特性的分析模型和計算方法.算例和工程應用證明了該方法是效性的、正確的，並可以大大降低計算分析規模.研究表明帶冠葉片動力特性分析時必須考慮整圈葉片的耦合效應
  4. An accurate analysis of the vibration characteristics of steam turbine ’ s key components, blade, disc and the system as a whole is crucial importance for their research, design and running

    汽輪機是火電站的核心動力裝置，準確地分析其關鍵部件?葉片、輪盤系統的振動特性對汽輪機的研究、設計和運行十分重要。
  5. After putting cn6 - 35 / 9 steam turbine unit of nanjing chemical industry co into operation, serious vibration of the servomotor and oil - pipe in the governing system had occurred

    摘要南京化學工業公司cn6 - 35 / 9汽輪機組投運后，調節系統油動機及管道嚴重振動。
  6. The characteristics of the intrinsic frequency distribution of the framed steam turbine - generator set foundation are summarized ; it can been seen that the base plate of the framed foundation does not have much effect on the dynamic response of the foundation, and that the " amplitude method " is better than the " resonance method " among dynamic analysis methods. when designing a framed foundation, as long as the load - bearing capacity and stability is ensured, a flexible pillar is better, the amplitude of vibration can be controlled through adjusting the particle quality in foundation design

    論文最後總結了框架式汽輪發電機組基礎固有頻率的分佈特點；指出框架式基礎底板本身對基礎的動力響應影響不大，認為動力分析方法中振幅法優于共振法；並指出框架式基礎設計時，在滿足承載力和穩定性的前提下，柱子應以柔為佳；設計中可以通過調整質點的質量來達到控制基礎振幅的目的。
  7. This article emphatically discussed and analyzed following points : load command feed forward function can improve the rapid respond character of steam turbine generator ; lead of load command have advance control function on boiler main control and can highly improve the stability of main steam pressure ; the use of predict control and state space variable function can improve the quality of boiler steam temperature control effectively, control the steam temperature in the defined range and increase the boiler and turbine life and efficiency even if working state changed in a big range ; linear compensation can restrain the vibration of generator load in the condition of big loa d change

    本文重點討論、分析提出負荷指令前饋作用可以提高汽輪發電機快速響應特性；負荷指令的導前功能對鍋爐主控有超前控製作用，能顯著提高主蒸汽壓力的穩定性；採用預測及狀態空間法能有效改進鍋爐蒸汽溫度控製品質，在大幅度工況變化下仍有效控制蒸汽溫度在額定范圍內，提高鍋爐、汽輪機壽命及其效率；汽輪發電機組的快速響應性與汽輪發電機組負荷振蕩問題間的平衡關系，採用線性補償可以有效抑制在負荷變化梯度較大情況下發電機負荷振蕩問題。
  8. Research fields involve strength, vibration, reliability, service life, remote condition and performance monitor, faults diagnosis, condition - based maintenance of steam turbine and thermal system

    汽輪機及其系統的強度、振動、壽命、可靠性、狀態監測、性能監測、故障診斷、狀態維修、計算機應用等。
  9. Then using the neural network, the diagnosis result can be gotten. the methods and models that this paper put forwards can diagnose the vibration multiple faults of steam turbine generator - set effectively, and this could be proved by examples. it enriches the theory and methods in a cert

    本文提出的上述模型及方法，經實例分析驗證，可對汽輪發電機組振動多故障進行有效診斷，在一定程度上豐富了機組多故障診斷技術的理論及方法，有良好的應用前景。
  10. The application of wavelet analysis technology to de - noising and detection of steam turbine vibration signal

    小波分析技術在汽輪機振動信號消噪與檢測中的應用
  11. Mechanical vibration - evaluation of machine vibration by measurements on non - rotating parts part 2 : large land - based steam turbine generator sets in excess of 50mw

    在非旋轉部件上測量和評價機器的機械振動第2部分: 50mw以上陸地安裝的大型汽輪發電機組
  12. With such a model, the dynamic isodata software offers opportunity for vibration analysis. so far, the most successful applications have included fault diagnosis of diesel engines and of vibration in steam turbine rotors

    這種方法廣泛的應用於各行各業，在機械故障診斷中如柴油機及汽輪發電機轉子振動等的故障診斷中都有成功的應用。
  13. The large - framed machine foundation is commonly used in supporting the steam turbine - generator set in power stations, and the vibration of the foundation is the key element of the whole foundation design

    大型框架式動力機器基礎是發電廠支承汽輪發電機組的常用型式，而基礎的振動問題則是整個基礎設計的關鍵。
  14. Using three - dimensional finite element techniques, wave propagation theory, modals synthesis theory and numerical analysis methods, the vibration characteristics of steam turbine system are studied. according the structural features of practical blade discs, the 3 - d 8 - node element model is used because of its fitness to complex structures

    本文採用三維有限元技術、波傳播理論、接觸分析、預應力模態分析等數值分析方法，對汽輪機葉片?輪盤系統的振動特性進行了深入而較全面的分析研究。
  15. In this thesis the development of noncontact monitoring blade vibration in china and other countries is summarized, the mathematical model of measuring blade vibration is presented, the monitoring system of blade vibration parameters in steam turbine is manufactured, and the theory of fuzzy diagnosis and the technology of multi - scale analysis are used to research fault blade

    本文綜合國內外葉片振動非接觸測量技術的發展，給出了葉片動態測量的數學模型，研製了汽輪機葉片振動狀態監測系統，用模糊診斷理論和多解析度小波分析技術對葉片故障機理進行了研究。
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