氣動阻尼 的英文怎麼說

中文拼音 [dòng]
氣動阻尼 英文
ad aerodynamic damping
  • : Ⅰ名詞1 (氣體) gas 2 (空氣) air 3 (氣息) breath 4 (自然界冷熱陰晴等現象) weather 5 (氣味...
  • : 動詞(阻擋; 阻礙) block; hinder; impede; obstruct
  • : 名詞(尼姑) buddhist nun
  1. Various aerodynamic devices, as well as passive dampers and serve dampers, are available.

    各種空力裝置以及無源器和伺服器是可用的。
  2. Aerodynamic undamping phenomena of structure oscillating in inviscid flow

    無黏流場中結構振現象
  3. The aerodynamic characteristics of a projectile with wrap around fins are studied systematically in this paper, as follows : 1. the lift coefficients 、 drag force coefficients 、 pitch moment coefficients 、 pitch damping moment derivatives and roll damping moment derivatives are obtained from engineering calculation through looking wrap around fins as flat fins of the same projection aera

    本文對某卷弧尾翼彈特性進行了系統研究,主要內容與結論為: 1 .將卷弧翼按照相同投影面積的平板翼進行工程估算,得到升力系數、力系數、俯仰力矩系數、俯仰導數、滾轉導數曲線。
  4. In the dissertation, the effects of the air slide - film damping on the capacitive accelerometers having different slot structures which are completely or partly etched, and fabricated by the anodic bonding between silicon and glass and bulk silicon micromachining process are researched by changing the distance between the moving structure and substrate, the thickness of the structure, the width of the completely etched slot structure, the depth of the partly etched slot structure according to the two well known air slide - film damping models

    對于橫向運的體微機械器件,其周圍空表現為滑膜。本文基於滑膜的兩個模型,通過改變振子與襯底的間距、振子的厚度、刻透的柵槽的寬度、沒有刻透的柵槽的深度等參數,研究了這些參數對硅?玻璃鍵合工藝製作的體硅微機械電容式傳感器特性的影響。
  5. On one hand, it may exert damping on the armature of torque motor and overcome self - excitation of jet pipe. one the other hand, it may enlarge magnetic permeability of working clearances and improve magnetic circuit efficiency of torque motor to boost dynamic response speed of servo valve

    一方面可增大力矩馬達工作隙部分產生的,從而可以抑制射流管的自激,另一方面又可增大工作隙的導磁率,改善力矩馬達部分的磁路效率,從而提高伺服閥的態響應速度。
  6. 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力,減少振;另一方面由於力矩馬達隙中磁導率的提高,使隙中的磁通量增大,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。
  7. 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:為了測量發機進、排管內流的脈特性,對自行設計的對流起穩壓作用的穩壓箱進行了研究。
  8. Abstract : this paper introduces briefly the control principle of trajactory correction technique and analyzes the structures and application areas of several typical trajectory correction mechanisms such as paddle type ring and d - ring etc. moreover, it makes the aerodynamics simulation and dynamics simulation of trajectory correction mechanism as paddle type damping ring. the simulation result proves the correctness and feasibility of the design

    文摘:簡要介紹了彈道修正技術的控制原理;分析了槳式、 d型環等幾種典型彈道修正裝置的結構特點和應用范圍;並對其中的槳式環彈道修正裝置分別進行了空力學模擬和運學模擬,驗證了設計的可行性和正確性。
  9. In the third chapter, the mathematical models of project system have been established, and simulation has been done on the simulink enviroment of matlab software kits. the simulation focus on the effects of main parameters on the dynamic characteristics of speed control system, and the main parameters include viscosity damp coefficient and friction torque of electrical motor shaft, internal leakage coefficient of pump / motor of hydraulic circuits, gas volume of pressure accumulator, viscosity damp coefficient of cylinder piston and different running building floors, etc. at last, theoretical research effects of the flow and pressure pulsation of pump / motor on car speed and oil volume leakage theory are discussed. the fourth chapter of this thesis concerns the research on the key items about hydraulic power control system according to the ens 1 - 2 and other hydraulic elevator standards

    論文第三章針對組成系統的各個模塊進行了機理建模,並且通過matlab軟體中的simulink圖形化模擬環境進行了本課題系統的模擬研究,主要針對影響系統特性的主要參數變化,態分析系統的輸出特性,在上下行工況中,分析了電機軸系粘性系數、軸系摩擦力矩、主迴路蓄能器迴路液壓泵馬達內泄漏系數、蓄能器體容積、液壓缸柱塞粘性摩擦系數以及不同運行樓層工況等參數對系統特性的影響;最後對軸向柱塞泵馬達的流量壓力脈對電梯轎廂速度的影響和蓄能器內油液體積損失機理進行了理論研究。
  10. Ingyang pet product company, a specialized manufacturer of pet products since 1989, from starting with only rawhide dog chews, through the past years, the company grows quickly and now it has become the largest manufacturer in china, which includes 35, 000 square meters and 1, 200 staffs, and was able to produce or offer dog chews rawhide chews, porkhide chews, pig ear and cotton chews, choke chains, nylon leashes muzzles, automatic leashes, pet toys, pet wears, bird cages, vinyl toys, etc, the monthly capability was over 100 containers.

    以生產唯一的生牛皮狗的咀嚼食物開始.通過了過去幾年的努力,該公司迅速發展成為中國最大的製造商,擁有35000平方米的佔地面積和1200名職工。能生產或提供狗咀嚼食物生牛皮豬肉,豬耳朵及棉花咀碎片鐐銬,拴狗頸帶和物口套自狗頸皮帶寵物玩具寵物衣服鳥籠乙烯基玩具等每月生產量超過100集裝箱。
  11. The antenna pointing control is open loop control without feedback. the antenna pointing errors due to antenna tracking motion and satellite attitude adjusting ( trusting ) were analyzed, as well as the influence of damping, tacking velocity and trusting time

    文章分析了天線作跟蹤運和星體作姿態調整時,對星體姿態控制精度和天線的指向精度影響,同時分析了、跟蹤速度、噴脈沖寬度等因素變化對力耦合程度的影響。
  12. Finally, on the base of all work above and present condition, the experimental system is built up in light of the space environment of weightlessness and weak damping where the coupled structure works, and the experiments is carried out

    該系統利用單軸浮臺實現了低基的建立,並採用反作用輪方< wp = 5 >式實現了在不引入附加的條件下運基的機
  13. Against the status of large scale ultra low frequency air spring vibration isolation platform, which is low damping and poor performance of low frequency, and after analyzing the existing key damping system, a new type differential electromagnetic damping system ( emds ) is developed in this article in order to reduce the resonance peak of the platform effectively and improve the low frequency performance of the platform

    本文針對大型超低頻空彈簧隔振平臺小、低頻隔振性能較差的現狀,在比較多種提供力的方法后,提出了用電磁力作為隔振平臺的力,並開發研製了差式電磁器系統。該系統可以有效降低隔振平臺的諧振峰值,從而達到了提高隔振平臺低頻性能的目的。
  14. By means of the theoretical analysis of the micromachined vibratory rate gyroscope, we get following conclusions : the microgyroscope can be driven by tangent electrostatic force produced by fence structure electrodes, and the normal electrostatic force can be neglected for the influence of the device property ; the parasitical capacitance and fringing effect can ’ t be neglected for the calculating of the detection capacitance ; the coefficient of damping force is comparatively little when the air damping in the driving mode and the sensing mode of the device is the couette flow damping

    主要內容如下: 1 .分析了微機械陀螺的運特性、靜電驅特性和在大下的特性,分析結果表明,可以運用切向靜電力驅質量塊振,法向靜電力對器件特性的影響可以忽略;在計算微結構電容時,電容的邊緣效應和寄生電容不可忽略;在器件所受主要為庫埃特流的情況下,力系數較小。
  15. In practical application, the m10 180 bolts, which are installed in the head cover of the torque divider of ts5560 special automobile, sometimes fracture all of a sudden. according to the tests of acceleration, stress and strain, and the exciting test, it is resonance vibration that leads to the compound - bending fatigue fracture of the bolts. the exciting force caused by drive system, transmitted through the torque divider, produces a 1000 - 1500hz cyclical excitation at the junction of the bolts and head cover, which causes the first order bending resonance vibration of the bolts

    通過加速度、應力應變測試實驗和激振試驗的研究,發現ts5560特種車分器取力器缸端蓋m10 180螺栓斷裂問題是由於共振引起的雙向彎曲疲勞斷裂:傳系統工作所產生的激勵,經過分器結構的傳遞(特別是分器一階扭轉模態的放大) ,在螺栓的連接處產生1000 1500hz的振激勵,其導致螺栓一階彎曲共振,在螺栓一階彎曲模態的比較小的情況下,使得螺栓產生較大的共振響應,導致螺紋處的彎曲應力較大,疲勞壽命較低。
  16. Based on the characteristics of the membrane structures, wind - induced nonlinear coupling dynamic response analysis which can be applied to closed membrane structures is developed and the added air mass the pneumatic stiffness and the acoustical damping of the closed membrane structures are deduced. applying the method to an aeroelastic model of wind tunnel test, the displacement the velocity and the acceleration of corresponding prototype structure in time domain are obtained

    本文針對封閉式薄膜結構和敞開式薄膜結構推導了全新的非線性流固耦合風振響應公式,其中耦合因素包括附加空質量、承剛度和聲致以及相對運速度,並將此理論應用於一彈模型的計算,獲得了位移、速度、加速度時程以及加速度均方根。
  17. How significant is aerodynamic damping of wave - induced motion

    浪載運響應引起的氣動阻尼是否重要?
  18. Experimental study on aerodynamic damping of tall buildings after being interfered

    高層建築干擾氣動阻尼的試驗研究
  19. Feeding system adopts imported linear guide rail pair, hi - precision and long life. air - liquid damping cylinder assures blade feeding is even and running is stable

    進給系統採用進口直線導軌副,精度高、壽命長。缸保證鋸片進給均勻,運平穩。
  20. In addition, aerodynamic stiffness and aerodynamic damping on the system are already obtained in the condition of fluid - structure interaction. it is known that aerodynamic loads are associated with blade vibration. the systematic eigenvalues are used to judge whether the flutter occurs so as to find the stable operating range of a wind turbine

    本文把風力機葉片簡化為懸臂梁,對梁截面的二維葉型建模,完整推導了二維葉型的線性運微分方程和流構耦合條件下系統的剛度和氣動阻尼,此時載荷與結構的位移矢量以及速度矢量是相互耦合的,再利用系統的特徵值來判斷葉片顫振是否發生,從而獲得風機的穩定工作范圍。
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