自激振動 的英文怎麼說

中文拼音 [zìjīzhèndòng]
自激振動 英文
self excited vibrations
  • 自 : Ⅰ代詞（自己） self; oneself; one s own Ⅱ副詞（自然;當然） certainly; of course; naturally; willin...
  • 激 : Ⅰ動詞1 （水因受到阻礙或震蕩而向上涌） swash; surge; dash 2 （冷水突然刺激身體使得病） fall ill fr...
  • 振 : 動詞1. （搖動; 揮動） shake; flap; wield 2. （奮起） brace up; rise with force and spirit
  • 振動 : vibrate; vibration; vibrance; vibrancy; vibra; vibes; shaking; rumble; jitter; chatter; sway; jar...
  1. Analysis of torsion self - excited vibration in rolling mill

    軋機扭轉自激振動分析
  2. Ceramic material had better performance than steel and copper and the shorter the stack, the lower the initial temperature for oscillation

    而從熱聲振動的方式來看，強制振動比自激振動具有更低的起振溫度。
  3. With the help of the theoretical equation of rolling and the energy criterion of mechanical vibration, and on the base of full consideration of roll gap nonlinearity during vibration, this paper suggests an approach to analyse the stability of self - excited vertical vibraiton of high speed cold strip mills by numerical method

    摘要本文在充分考慮軋機垂直振動過程中輥縫非線性的基礎上，利用軋制理論方程和機械振動理論中的能量判據，給出了更精確的分析高速冷軋機垂直自激振動穩定性的數值計算方法。
  4. This paper gives an example describing the trouble shooting of oil whipping in a large air compressor by the use of vibration spectral analysis

    摘要本文給出了用振動譜分析方法對一種大型空氣壓縮機油膜自激振蕩進行故障診斷的實例。
  5. Firstly, the airfoil ' s classic flutter ( at small attack angle ), stall flutter ( near the static stall angle ) and response ( at large attack angle ) are analyzed. it is found from the numerical results that " lock - in " will occur at certain freestream velocity range near the static stall angle, where the frequency of the vortex will be equal to the natural frequency and the flutter has the characteristic of self - induced oscillation. when the attack angle is far from the static stall angle, the vortex will have its own frequency, which differs from the natural frequency, and the flutter has the characteristic of forced oscillation

    首先研究了二維翼型的古典顫振（小攻角） 、失速顫振（失速攻角）和動力響應問題（大攻角） ，得到以下結論：在靜態失速攻角附近的一定來流速度范圍內，分離渦會發生頻率鎖定現象，分離流的頻率與固有頻率趨于相同，這時的振動呈現自激振動的特點；遠離失速攻角時分離流頻率則擺脫固有頻率的影響，此時的振動具有強迫振動的特點。
  6. The shearing layer is carried by the jet and the eddy is formed because of the instability and selective amplification of shearing layer which will propagate to the downstream. as the eddy impacts the impinging wall, a wave of pressure disturbance with certain frequency is induced. this wave then propagates to the upstream with high speed, and results in the overlap and amplification of the waves when the frequencies of them are close with each other

    當前噴嘴流束中的不穩定擾動波在穿過腔內的剪切層時，剪切層對其有選擇放大作用，形成渦環結構，剪切流動中渦環與碰撞壁撞擊，在碰撞區域產生壓力擾動波並向上游反射，在上游剪切層分離處誘發新的擾動的產生，當新擾動與原擾動匹配時，射流上游就被不斷地受到周期性激勵，腔內就產生流體自激振蕩並在後噴嘴出口形成脈沖射流。
  7. In the processing of the numerical simulation of lrv dynamics, knowing from the creepages of irw first, wheel profile has sensitive effect on irw creepages, so the wheel profile should be selected cautiously to optimal the vehicle dynamic behaviors. next, the longitudinally creep force is disappeared, so the self - oscillation vvill do n ' t occur and the bogie is stability. while the natural steering action of vheelset is lost which means that some sort of steering action is necessary to keep the wheelset appropriately aligned on a curve

    在輕軌車輛動力學數字模擬計算中，通過對獨立旋轉車輪蠕滑率的分析知，車輪踏面外形對其影響十分敏感，適當的選取獨立旋轉車輪踏面的外形可以優化車輛的動力學性能；採用獨立旋轉車輪，縱向蠕滑力不復存在，自激振動不會發生，轉向架也就穩定；但同時，常規輪對具有的自動導向功能西南交通大學碩士研究生學位論文第11頁也失去了。
  8. Measurement and explanation for its mechanism of ice - induced self - excited vibration

    冰致自激振動測量與機理解釋
  9. Self - excited or self - induce vibrations

    自激振動
  10. Effect of rolling parameters on the self - excited vibration of rolling mill drive trains

    軋制參數對軋機主傳動系統自激振動的影響
  11. Self - induced vibration

    自激振動
  12. Self excited vibration

    自激振動
  13. The stability of self - excitation vibration in the main gearing train of the first rolling mill

    初軋機主傳動系統扭轉自激振動的穩定性
  14. The relationship between the self - excited vibration of temper rolling mill and its damping property of the rolling interface

    平整機自激振動與軋制界面阻尼特性的關系
  15. The shrill frictional noise of motor bicycle brake is investigated and the excited - self vibration theory is validated in this paper

    摘要通過對電動車剎車噪聲機理的研究，驗證了自激振動理論。
  16. The reason of inducing whirl active vibration is investigated in this paper through the experiment of a high - speed rotor in eliminating the breakdown of whirl

    通過對高速轉軸甩轉的排故試驗分析了甩轉自激振動發生的原因。
  17. Secondly, this paper develops a coupled model between ice and structure after knowing the constitutive behavior of sea ice ; focus on the effects of wing cracks to the coupled vibration. and the stability of steady state vibration is also discussed qualitatively

    把冰激直立結構穩態振動定性為由於海冰的非線性力學性質導致的非線性振動，證實了穩態自激現象的存在，提出了海冰的微裂紋損傷行為在穩態自激振動中起到控製作用。
  18. The influence of the blowing factors to the flutter and the lift coefficient is analyzed. secondly, the self - induced vibration of seals are analyzed by fluid - structure coupling numerical method. the self - induced oscillation of the seals will occur at large rotational speed, however, this phenomenon ca n ' t be simulated with the

    採用本文的流固耦合方法成功地捕捉到頻率鎖定的現象，且發現隨著轉速的提高，固有頻率也增大，從而證明高轉速下密封轉子會發生自激振動，傳統的剛度阻尼方法對此是無法解釋的。
  19. It is shown by finite element analysis of disc, testing experiment of braking noise, the frequency spec - trum analysis and study of dynamic model of brake that the noise is generated by excited - self vibration

    基於剎車盤有限元分析、剎車噪聲測量，以及對剎車系統動力學模型的分析與研究表明：剎車盤的高頻自激振動引發尖叫摩擦噪聲。
  20. The high speed revolves machine design with an important problem that circulate the inside is a control with lower the shafting force the vibration responds to, still exsist at the same time another an also important problem : the rotor loses steady with from arouse the vibration

    高速旋轉機械設計和運行中的一個重要問題是控制和降低軸系的強迫振動響應，同時還存在另一類同樣重要的問題：轉子動力失穩和自激振動。
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