rotor damping 中文意思是什麼
rotor damping
解釋
旋翼阻尼-
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。 -
Model experiment and damping identification for aeroelastic stability of helicopter rotor with elastomeric lag damper
帶粘彈減擺器旋翼系統氣彈穩定性試驗與阻尼識別 -
Analysis software. the analysis show : the gyroscope effect to the flywheel rotor ' s and the shaft ' s vibration character under high rotate speed should be considered. at this time, the system ' s normal frequency is the function of rotate speed ; the amplitude passing through the resonance field can be lowered obviously by improving the effective damping of the electro - magnetic bearing
建立了高速旋轉狀態下，採用磁軸承作支撐的飛輪轉子和轉軸的動力學模型，給出了有限元法在此問題中的具體應用，並利用i - deas有限元分析軟體具體分析了飛輪系統的共振頻率、系統振型，以及對偏心激勵的響應，分析表明：對于高速旋轉的飛輪轉子和轉軸，應考慮陀螺效應對其動力學特性的影響，此時系統的固有頻率是轉速的函數；通過提高磁軸承的等效阻尼可顯著降低系統通過共振區域時的振幅。 -
The dynamics behaviors of the flexible jeffcott rotor system supported by unsteady short dynamic bearing are investigated. based on nonlinear unsteady - state dynamic n - oil film force model described by three functions the local stability of the periodic solutions with the controlling parameters, rotational speed ratio, imbalance amount, damping ratio and viscidity, are predicted by using the floquet multiplier. it is found that the period doubling bifurcation is caused by a certain imbalance amount and the hopf bifurcation is created by the lost stability of the oil - film
研究了非穩態動載短軸承支撐的jeffcott柔性轉子系統的動力特性，基於可用三個函數表示動態油膜的非穩態非線性油膜力模型，將轉速比、不平衡量、阻尼比、粘度作為控制參數，利用floquet乘子預測周期解的局部穩定性，發現倍周期分叉是由一定量的不平衡引起的，而hopf分叉是由油膜失穩造成的。 -
In addition, two radial active magnetic bearings are employed to improve the magnitude of radial stiffness and damping of the rotor
即採用永磁卸載，高溫超導提供穩定，有源提高徑向剛度，保證穩定旋轉。 -
We still ca n ' t solve the problem about the spin testing for impeller with long shaft as nr15, a new type of rotor. this paper describes a new supporting with a good damping structure
本文通過在浙江大學化工機械研究所原有30000r min超速試驗臺基礎上，通過設計上、下阻尼支承結構，實現了nr15帶柄轉子的超速試驗。 -
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。 -
Damping was then determined via exciting the equation at the critical frequency to get the transit decay which was then analyzed with the moving - block method. in chapter 4, the nonlinear dynamic equation of rotor - body system with inter - blade dampers ( taking all possible attachment offsets into consideration, spanwise offset, vertical offset and in - plane offset ) was modeled
本文重點推導了帶葉間減擺器（減擺器帶三個外伸量:展向，垂向和旋轉方向）的旋翼/機體耦合系統的非線性動力學方程，針對該方程提出了一種改進的多槳葉坐標變換方法。 -
The results of numerical integration predict. that there will be backward whirl of the rotor, which may lead to destructive damage of the system if the back - up bearing has very light or very high damping
數值積分結果預示，當備用軸承具有很小阻尼或很大阻尼時，會導致系統破壞的逆迴旋。 -
It is showed by the results that, the rotor has different dynamics with respect to present results obtained by other researchers while the rotor is subjected to internal damping, nonlinear oil film forces and nonlinear elastic forces simultaneously. with increase of the rotary speed the rotor, quasi. periodic movement caused by internal damping will occur
發現當轉子通過油膜失穩進入倍周期運動時，由於非線性內阻力作用，還會發生概周期分岔形式的二次分岔，產生約1 / 6倍工頻的低頻運動。
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