阻尼作用 的英文怎麼說

中文拼音 [zuòyòng]
阻尼作用 英文
antihunt action
  • : 動詞(阻擋; 阻礙) block; hinder; impede; obstruct
  • : 名詞(尼姑) buddhist nun
  • : Ⅰ動詞1 (使用) use; employ; apply 2 (多用於否定: 需要) need 3 (敬辭: 吃; 喝) eat; drink Ⅱ名...
  1. This paper also studies an hvdc system based on leee fbm, a svc system based on ieee fbm and a statcom system based on ieee fbm. it proves the function of supplementare subsynchronous damping controller ( ssdc ) in the above devices to mitigate ssr. it also analyzes the influence of input signal of ssdc on ssr mitigation, tdeng hvdc as an example

    在psasp小干擾線性化平臺psaspaisst上,對基於ieeefbm的hvdc系統、基於ieeefbm的svc系統和基於ieeefbm的statcom系統分別進行了ssr小干擾穩定分析,驗證了在這些裝置中安裝次同步振蕩器( ssdc )對r的抑制,並以hvdc為例,研究了ssdc輸入信號對其抑制ssr的影響。
  2. The result of optimization and analysis show : 1 ) across - axis sensitivity is smaller, less than 2 % of the primary axis sensitivity ; 2 ) the first mode is dominant at primary axis, which reduce intersectional coupling ; 3 ) when damp ratio is between 0. 3 and 0. 7, accelerometer has better dynamic characteristic

    分析結果表明此種結構的具有: 1 )橫向靈敏度小, x 、 z方向的橫向靈敏度均不到敏感方向的2 ; 2 )在敏感方向上,一階模態起主導,其它模態的影響較小,有利於減小交叉耦合的影響; 3 )當比毛為0 . 3 ? 0 . 7時,傳感器具有較好的動態特性。
  3. The structure and operating principle of an air - charged split - type adjustable shock absorber was described, e non - linear parameterized mathematical model of this shock absorber ' s damping characteristics was established according to fluid mechanics theory and the main structural affection factors to shock absorber ' s damping performance, such as the diameter of piston valve orifice, the diameter of adjustable orifice, the initial volume of gas chamber, the diameter of piston rod, the inner diameter of oil pipe and so on, were analyzed by simulations

    摘要通過分析一種分體式充氣可調減振器的結構和工原理,運流體力學理論,建立了該減振器特性的非線性參數化模型,模擬分析了活塞閥孔徑、調節孔徑、氣室初始體積、活塞桿直徑、油管內徑等主要結構參數對減振器性能的影響,通過試驗測試,得到了減振器樣件的特性及其可調范圍。
  4. 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、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,並可採乘以風振系數等相應方法來加以體現。
  5. ( 2 ) increasing of wind is mainly induced by shf and affecting of lhf is very little. ( 3 ) effect of terrain increases ground rough and tonsure of terrain press and fiction correspond enhance frictional damp effect

    ( 3 )地形相當于增加了地面粗糙度,地形壓力梯度項與摩擦項地疊加,相當于使摩擦阻尼作用增大,地形強迫使下邊界層從上至下風速減小,風向向左偏轉。
  6. The singularity arises only formally, because we neglected the effect of damping.

    這個奇異點的產生僅僅是形式上的,因為我們忽略了
  7. 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, 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。
  8. Several semi - active control algorithms used in the semi - active suspension system with mr dampers are proposed and developed including the " on - off " voltage controller, the continuously linear variable voltage controller, the modulated continuously linear variable voltage controller based on " sky - hook " damping concept and the hybrid controller based on the combination of " sky - hook " damping concept and " ground - hook " damping concept and the fuzzy logic controllers using measurements of the relative displacement between the sprung and unsprung mass or the absolute acceleration of the sprung mass as the input variables of fuzzy logic controllers. the simulation models were prepared in matlab ? simulink ? fuzzy toolbox programs. the experiment setup of the semi - active suspension system with mr dampers in the lab has been designed and developed

    根據磁流變器特性和對懸架系統動力學特性的規律性研究,為磁流變器設計了基於「天棚」控制概念的「 on - off 」 、線性連續和修正的線性連續控制策略,基於「地棚」控制概念的磁流變線性連續控制策略, 「天棚」和「地棚」控制概念線性組合起來的磁流變混合控制策略,根據模糊控制原理設計了以簧載質量和非簧載質量間相對位移或簧載質量加速度分別為輸入變量的模糊邏輯控制器於磁流變半主動懸架的智能控制。
  9. In addition, active constrained layer damping ( acld ) has attracted scholar ' s interests because it has the advantages of passive control and active control. the mechanism of vibration control of acld and the models of how to deal with the viscid - electric material are introduced. the finite element model of acld with ghm model is established in this paper

    此外,主動層結構( acld )由於兼有被動控制和主動控制兩者之優點也引起了國內外學者的興趣,本文給出了主動層結構(約束層採壓電材料)抑振的工機理,介紹了處理粘彈性層( vem )的幾種模型,並採ghm模型建立了主動層結構的有限元模型。
  10. 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、非線性以及在橫向規則波下波高和頻率對安全池的影響。
  11. The litter - resistance slowly closing butterfly check valve is developed a newest product based on our butterfly check valve, hydra - matic transmission to be add in the valve with unique design, new stuction and optimum performance, can be used pipeline of water supply and dring with such media : fresh water, sea water, sewage, raw water, ect. the valve should be installed at outlet of the water pump, in stapping the pump, the process of slowly closing after valve plate shuts rapidly. can be guard effectively against the destruction water hummer, so to ensure the safe operation of the pipline

    緩閉蝶式止回閥是在我廠生產的蝶式雙瓣止回閥的基礎上利能量轉換原理增設油壓緩閉裝置的新型模式止回閥,設計獨特,結構新穎,性能優宜,適於凈水,源水,污水,海水等介質的供、排水管路中,安裝於水泵出口端,停泵時由於油壓阻尼作用法盤先速閉后緩閉,以消除破壞性水錘,保證灌路安全運行。
  12. Through ( multi - level ) bordered block partition of the power system topology matrix, a bbdf coefficient matrix which is suitable for above decomposition is formed. when the equation is solved with parallel iterative method, convergence acceleration is achieved through damping newton method

    通過採(多重)對角加邊的方法進行電力網路拓撲分割,以形成適合以上分解法求解的對角加邊形式的系數矩陣,并行求解后並對迭代過程進行牛頓法修正,以達到加速收斂的
  13. 0 x 10 " 3 and 264. 6mpa respectively. 6. the damping mechanism at ambient temperature is related to viscous motion of dislocation and interactions between dislocation with various point defects, the viscous sliding between the phase with rich zn and primary a dendrite crystals and the micro - plastic deformation of the soft phase in the eutectic

    6 ) azsm合金的室溫行為與組織中的溶質原子和位錯的交互以及位錯的粘性運動、富鋅相與基體之間的粘性滑移、以及共晶體中較軟相的西安理工大學碩士學位論文微塑性變形有關。
  14. The results of test and theoretical calculation indicate that the friction device does not slide under minute earthquake, thus the control effort of f - ved corresponds with ved, and the action of frd is the same as pure brace. when disastrous earthquake occurs, the viscoelastic material reaches its shear limits and the friction device begins to slide, so the control effort of f - ved is the best

    試驗結果和理論計算結果表明,在多遇地震下摩擦機構不起滑,粘彈性-摩擦器的減振效果和純粘彈性器相當,而摩擦器的相當于純支撐;在罕遇地震下粘彈性材料達到剪切極限,摩擦機構起滑,故粘彈性-摩擦器的減振效果最好。
  15. Abstract : the effect of stabilizing pressure of a stable pressure box with damping line of the air flow is studied in order to measure the pulsate flow ability of air at the intake and exhaust pipes of engine

    文摘:為了測量發動機進、排氣管內氣流的脈動流動特性,對自行設計的對氣流起穩壓穩壓箱進行了研究。
  16. The paper discusses how to reconstruct the 3d model of alimentary canal from many medical tomographic images using the computer 3d visualization technology, explains the work principle of its operation signal gathering devices and feedback force controlling devices, and describes the mass - spring / damper simulation model used in the software emulation

    主要討論了通過計算機三維可視技術,對醫學斷層影像重建得到三維訓練模型;並講解系統外設實現操量採集和力反饋的工原理,以及系統模擬軟體採的質點彈簧物理模擬模型。
  17. After analysis of the parameters of the devices, a conclusion is achieved that we can directly use the parameters of the dampers instead of devices to design the buildings in the common situation. then a one - freedom modal is used to compare the differences of performance between these two dampers under harmonic load. finally, three buildings, which are installed with viscoelastic dampers, viscous dampers and no dampers respectively, are analyzed using finite element method, time history method and response spectrum method, and the result is the same as that of harmonic analysis

    如果支撐剛度較小,應採本文推倒的公式計算裝置的性能參數;利單質點模型進行結構在簡諧荷載下的性能分析,並比較了粘彈性與粘滯結構在振動控制方面的性能差異;最後利數值方法分別對未安裝裝置結構,安裝了粘彈和粘滯裝置的三種結構進行了反應譜和時程分析,得到了與理論分析一致的結果。
  18. On the contrary, because of the effect of positive damping provided by the inverter, the unit near a inveter will have no subsynchronous oscillation risk. based on the same method described above, a damping study is carried out for a hybrid ac / dc system, which include a hvdc link and an ac transmission line in parallel

    研究表明,系統整流站附近的同步發電機組要承受電氣負阻尼作用,因此有可能引起機組低頻扭轉振蕩模式失穩;而hvdc的逆變站向其臨近同步發電機組提供正,因而機組不存在次同步振蕩危險。
  19. Conclusions can be drawn from the calculation results that the instantaneous horizontal displacement of the structure fluctuates around the static result and converge to the static displacement because of the influence of damp

    從計算結果可以看出,動力分析的水平位移比靜力的最大水平位移大很多並以靜力位移為中心上下波動,並在阻尼作用下收斂到靜力位移。
  20. And consequently, the phase modulation dissipation arises from the strong phase mixing between the waves inside and outside the modulation layer, and the pump wave is strongly damped near the resonant layer of coronal loop. after above analytical theories, we combine the two part of work into an integrated model of coronal heating

    由於位於共振層附近的相調層非常薄,那麼,對應的位於這個薄層之內的pump波就會和在這個薄層之外傳播的pump波有強烈的相混,從而對共振層附近的pump波有很強的阻尼作用
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