渦動 的英文怎麼說

中文拼音 [guōdòng]
渦動 英文
curl
  • 渦 : 渦名詞1. （漩渦） eddy; whirlpool; vortex 2. （酒窩） dimple
  1. Optics aberrations aroused by moving vorticity pulse

    運動渦旋脈沖引起的光學畸變
  2. One of factors which activize the explosive development of cyclone exists strong convective instability in lower layers from the analysis of the barotropic potential vorticity

    由正壓位渦分析得出，氣旋爆發性發展的啟動因子之一為低層存在強對流性不穩定。
  3. In a word, convective instability strong baxoclinicity barotropic advection of potential vorticity and latent heat release are factors which activize this explosive development of cyclone

    總之，對流不穩定、強斜壓性和正壓位渦平流、潛熱釋放是本次氣旋發展的啟動因子。
  4. How often does severe clear air turbulence occur over tropical oceans

    熱帶海洋晴空發生強氣流渦動的頻率如何？
  5. The study shows that the longitudinal component of the pressure force is mainly balanced by the vertical eddy frictional term and the lateral component of the pressure force is mainly balanced by the coriolis force

    研究表明：在磨刀門河口動力平衡中，縱向的主要平衡項為壓力項和垂向渦動摩擦項，側向的主要平衡項為側向正壓力項和科氏力項。
  6. As a result, the electromagnetic field intensity is changed accordingly and fluctuating current in the damper coil is created. damping force is mostly produced because of the phase difference between fluctuating current and displacement of rotor. the formulas of fluctuating current and damping coefficient are deduced theoretically, and the calculated results are consistent with the experimental results

    通過分析發現電磁阻尼器線圈內由於轉子渦動時變化的磁場而產生的波動電流與轉子位移間的相位差是產生阻尼的主要原因，推導了波動電流、阻尼系數的計算公式，並通過實驗展示了被動式電磁阻尼器的阻尼效應。
  7. This phenomenon is therefore known as "oil whip" or "resonant whirl".

    因此，這種現象稱為「油膜振蕩」或「共振渦動。」
  8. The vibration signals analytical result of rotating machinery mass imbalance and oil film turbulence fault verified its feasibility and validity

    旋轉機械質量不平衡和油膜渦動故障的振動信號分析結果進一步驗證了這種方法的可行性和有效性。
  9. At the point of co = g > c, it is the hopf bifurcation that the rotor orbit of shaft centerline is the periodic whirl of small amplitude. the method is suitable for the multi - freedom system

    數值求解系統動力學方程，在_ c處，轉子軸心軌跡為極小幅值的周期渦動，此為hopf分岔，分叉后，系統運動為擬周期運動。
  10. This thesis measured the vibration signals of 1 # and 2 # running turbine - generator sets in a generating plant and their vibration signals that are indispensable to the study are gained. firstly, the low frequency faults of machine stand in generator side, rotor unbalance, misalignment, oil whirl, oil whip are diagnosed by fft analysis. secondly, applying wavelet theory to probing the instantaneous abnormal phenomena of the signals and to show their components

    首先應用fft分析診斷出1 #和2 #汽輪發電機組存在的發電機側機座松動、轉子失衡、不對中、油膜渦動、油膜振蕩等故障，再運用小波分析探測信號中的瞬態反常現象並展示其成分，比較精確地診斷出了該發電廠運行中的1 #和2 #汽輪發電機組存在的碰摩故障。
  11. This phenomenon is therefore known as " oil whip " or " resonant whirl "

    因此，這種現象稱為「油膜振蕩」或「共振渦動。 」
  12. A new phenomenon is found numerically and experimentally : even if the rotating speed of the rotor is lower, the subharmonic vibration of the rotor - bearing system may be occurred under great disturbance ( unbalance )

    通過理論計算和分析發現：提出了即使在較低轉速的情況下，只要外激勵（不平衡量）足夠大，也有可能導致轉子出現油膜渦動或者失穩的現象。
  13. Owing to unsteady ship driving power, vibration of ship body, sealing function of seal part and variable stern flow companying with rotating propeller, the unsteady force results to vibration of ship shaft, which makes the oil film of stern journal bearing vibrate

    由於船舶動力的非穩定性、船體的振動、尾軸密封裝置的密封作用及螺旋槳的不均勻伴流作用，導致尾軸振動，使得尾軸承潤滑油膜渦動。
  14. It is analyzed that the values of external excitation, the internal damping of the shaft and the depth of the crack have effects on the amplitude frequency response curves. in chapter 5, the bifurcation and chao s of a rotor system are studied. the bifurcation parameter sets of the motion equation are determined by using the theoretical method

    從理論上確定了在垂直平面內振動的裂紋轉子運動方程的分叉參數集，且用數值方法驗證了理論分析的正確性，同時，還利用melnikov函數法給出了系統發生混沌運動的臨界條件，最後，利用數值方法研究了考慮渦動影響的轉子系統的動力特性。
  15. Law of vortex motion

    渦動定律
  16. Nonlinear characteristics such as bifurcation and chaos under three kinds of models are compared. and nonlinear characteristics of coupled vibrations under the model supporting with bearings are analyzed detailedly. the acquired torsion properties and nonlinear characteristics of cracked rotor have good assistant effect on diagnosing cracked fault

    以重力占優的開閉裂紋模型為研究對象，研究了裂紋轉子升速過程的彎扭耦合振動瞬態響應特性及影響因素，探討了1 3階及1 2階亞諧共振特徵；在考慮轉速渦動情況下，比較了三種模型的分叉與混沌等非線性特性，並詳細分析了軸承支承模型的彎扭耦合振動非線性特性。
  17. Thick clouds of dust swirled about, getting into our food and water

    塵土在空中渦動，落到了食物與飲水之中。
  18. Reduction of energy loss by bowed blades

    彎曲葉片降低能量損失的渦動力學機制
  19. Stability of rotor system with nonlinear vibration

    轉子軸承系統渦動的穩定性分析
  20. Mathematical model and numerical simulation of turbulent for hydrocyclonic separation

    旋流分離的湍流渦動數學模型及數值模擬
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