阻尼頻率 的英文怎麼說
中文拼音 [zǔníbīnlǜ]
阻尼頻率
英文
damped frequency-
The thermal damping is maximum for frequencies corresponding to pulsations that are somewhere between isothermal and adiabatic.
當脈動處于等溫和絕熱之間某個狀態時,相應頻率下的熱阻尼是最大的。Mode is structure ’ s inherence characteristics, each mode has specifically resonant frequencies, damping values, mode shapes, mode stiffness and mode mass
模態是結構的固有振動特性,每一階模態都具有特定的固有頻率、阻尼比、振型、模態剛度和模態質量。Choose two nodes on the edge of the structural to compare the results calculating by the finite element program midas, then we can draw a conclusion that these kinds of space truss systems is sensitive to the libration of the dynamic wind loads. to consider this factor is very necessary in the process of design, we will use the pulsant augmentation coefficient to realize it
比較靜力風荷載和動力風荷載作用下的有限元軟體的計算結果,選取結構邊緣部分的兩個節點,對比它們在兩種方法計算下的最大位移的計算結果。經過比較可以看出重量輕、頻率低、阻尼小的柔性建築物對風荷載的橫向振動是很敏感的,在進行工程設計時應該考慮這種因素,並可採用乘以風振系數等相應方法來加以體現。Torsional interaction exists between hvdc converters and turbine - generators, and negative electrical damping provided by hvdc may cause subsynchronous oscillation ( sso ) that can lead to turbine - generator shaft failure and electrical instability at oscillation frequencies lower than the fundamental system frequency
高壓直流輸電( high - voltage - direct - current - - - - hvdc )系統與臨近同步發電機組之間存在著扭振相互作用, hvdc的電氣負阻尼作用有可能引起機組在次同步頻率范圍的扭轉振蕩。Methods for calibration of vibration and shock pick - ups - resonance frequency testing of undamped accelerometers on a steel block
安裝在鋼塊上的無阻尼加速度計共振頻率測試Calibration of vibration and shock pick - ups - method of test for resonance frequency of undamped accelerometers on a steel block
振動和沖擊傳感器的校準.鋼鑄錠無阻尼加速度計共振頻率的試驗方法Methods for calibration of vibration and shock pick - ups. resonance frequency testing of undamped accelerometers on a steel block
振動與沖擊傳感器的校準方法安裝在鋼塊上的無阻尼加速度計共振頻率測試The influences of potential damping, nonlinear viscous damping, wave heights and wave frequencies in regular beam waves on the safe basin were investigated
分析了非線性橫搖方程中勢流阻尼、非線性阻尼以及在橫向規則波作用下波高和頻率對安全池的影響。Based on the special property of magnetic fluid ( mf ), we fill the magnetic fluid into the working clearances of the servo valve torque motor. one side, the magnetized magnetic fluid can exert a damping torque on the torque motor armature and reduce vibration of the armature ; on the other side, it can improve the magnetic circuit efficiency of the torque motor because of the magnetic fluid ’ s larger magnetic permeability
基於磁流體所具有的特殊性質,將磁流體添加到伺服閥力矩馬達的工作間隙中,一方面磁流體被磁化后可增大銜鐵的阻尼力,減少振動;另一方面由於力矩馬達氣隙中磁導率的提高,使氣隙中的磁通量增大,力矩馬達的磁路效率和輸出扭矩將增大,因此可以提高力矩馬達的固有頻率和伺服閥的響應速度。Through studying the working mechanism of the composing, the paper referred the bearing ' s analyzing model and designing flow. through shearing test of high damping rubber, the paper analyzes the influence of shearing shape, shearing strain range and inspiriting frequence on the characteristic parameters ( dynamic shear elastic module, dissipation engineering module, wasted gene ). according to the rule of equivalent energy, the paper gets the hysteretic curve of hdr ' s equivalent bilinear model and parameters ' calculating formula
本論文通過對這種分離式減震支座各組成部分工作機理的研究,提出了該分離式減震支座整體的計算分析方法和設計流程;通過高阻尼橡膠剪切試驗,分析了高阻尼橡膠剪切面形狀、剪應變幅值、激勵頻率和試件高度對特徵參數(動態剪切彈性模量、耗能模量、損耗因子)的影響。To a series of dampings, velocities and frequencies, the linear interpolation is applied and the flutter speed and flutter frequency are obtained
對得到的一系列的阻尼、速度和頻率進行了線性插值,從而得到顫振速度和顫振頻率。Based on the geophone vibration formula, this paper presents the affective factors to the seismic data from high resolution geophone arrays and its main property specifications, such as natural frequency, damping coefficient, sensitivity, harmonic distortion, and alias
為此,從檢波器的振動方程出發,對高解析度地震檢波器性能指標(如自頻率、阻尼系數、靈敏度、諧波失真、假頻等)以及檢波器組合的連接方式對地震資料品質的影響進行了分析。The development and disappearance of the acoustic oscillations are influenced by the nozzle throat size and open - time of the plug
計算結果表明,這些影響包括了聲振的強度、阻尼和頻率,發動機點火后噴管喉部尺寸和堵蓋打開的時間影響到振蕩波的發展和消失。The research results show that transducer partially debonding results in clear change of instantaneous frequencies, mode frequencies and damping ratio of the structures
研究結果表明,傳感器局部開膠對結構的瞬時頻率和模態頻率以及阻尼比均有明顯的影響。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。Increases in magnetic field frequency decreases the capability of the dis - type mr fluid damper to reduce rotor vibration
隨著磁場頻率的增大,盤型磁流變流體阻尼器抑制轉子振動的能力減小。Results show that the magnetic field frequency has significant effect on the dynamic performance of the disk - type mr fluid damper
結果發現,磁場的頻率對盤型磁流變流體阻尼器的動力特性有著顯著的影響。The dynamic character of the rotor system is the same as that without magnetic field when the magnetic field frequency is over a critical frequency, and the sinusoidal magnetic field cannot control the dynamic performance of the disk type mr fluid damper
當磁場的頻率高於一個臨界頻率后,轉子系統的動力特性與無磁場時的動力特性相同,正弦磁場不能夠控制磁流變流體阻尼器的動力特性。At last, in according to the experiment results, the interpretation of the mechanism of the slip phenomenon of prepressing - contact spring - damping system was given in this dissertation. further more, the relationship among the limit frequency, the value of prepressing, excitation frequency, the amplitude of excitation and the materiel parameter was analyzed. base on the theory analysis the limit frequency formula was given, and the contact - slip condition for engineering application was concluded
最後根據理論研究與試驗分析的結果,分析預緊接觸式彈簧阻尼系統產生滑移現象的機理以及共振峰值漂移現象的理論解釋,並通過定性分析接觸分離時的頻率與預緊量、激勵頻率、激勵力幅值以及墊層的材料參數之間的關系,提出能定量描述系統出現滑移現象的極限頻率公式,總結了預緊接觸式結構始終保持接觸的條件。Third, the three methods including inertia ! completion, modal cost analysis and inner balanced method are researched respectively and deeply. in the case of the small damping and widely separated natural frequencies, the approximation expression of the modal cost is introduced, and the system is approximately balanced
重點介紹了系統各階模態價值的封閉表達式和在弱阻尼、頻率足夠分開的情況下模態價值的近似計算公式;以及在弱阻尼、頻率足夠分開的情況下系統近似為內平衡,系統的奇異值也可由近似公式計算得到。分享友人