阻尼板 的英文怎麼說

中文拼音 [bǎn]
阻尼板 英文
spoiling flap
  • : 動詞(阻擋; 阻礙) block; hinder; impede; obstruct
  • : 名詞(尼姑) buddhist nun
  • : Ⅰ名詞1 (片狀硬物體) board; plank; plate 2 (專指店鋪的門板) shutter 3 [音樂] (打拍子的樂器) ...
  1. Numerical simulation on damping effect of impacted roof and its analysis with chaotic dynamics theory

    沖擊性頂運動效應的數值模擬及混沌動力學分析
  2. 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氣動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。
  3. Iv ) revolute joint element, nonlinear spring - damper element, 3 - d 5 points contact element are applied to simulate the revolute restriction between two caterpillar boards, suspension nonlinear vibration, contact between wheels and caterpillar boards, and contact between caterpillar boards and ground are considered respectively. drucker - prager material is employed to simulate reinforced concrete

    4 、應用大幅度轉動約束單元、非線性彈簧單元、三維五節點接觸單元分別模擬自行火炮履帶之間的轉動約束連接、懸掛非線性振動及負重輪與履帶之間的接觸和履帶與地面的接觸問題;根據材料非線性理論,提出利用drucker ? prager材料建立土壤的非線性有限元模型。
  4. Helicopter is hard to hover precisely for its bad stability. ordinarily, it is improved by flight control system, such like rotorcraft unmanned aerial vehicles which use bell bar or bell - hiller stabilizer bar. bell stabilizer bar, fixed across with teetering main rotor, consists of a bar and masses at two ends

    貝爾穩定桿由一桿與兩質量塊組成,它與貝爾直升機的蹺蹺旋翼垂直交叉放置,這種旋翼裝置有助於加大角速度,改善貝爾直升機的穩定性,但同時也降低了操作性。
  5. Considering special form of the boiler frame, the reconstruction and enforcement method, in addition dynamic analysis are given by particular steps : establishment of the model of boiler steel frame, determination of earthquake loads and distribution form, and anti - side force system for the frame to model and analyze, involving loads on the frame and above it, earthquake loads, damping, sway control installation, hanging bar and plate beam

    考慮鍋爐構架鋼結構的特殊形式,研究並提出了電站鍋爐鋼結構改造加固研究方法,及動力分析的具體步驟:建立了鍋爐鋼結構動力分析模型、地震荷載分析方法、建立了鍋爐鋼結構布置型式、及整個鍋爐鋼構架抗側力體系模擬分析方法。具體包括:鋼構架本體及構架上荷載、地震載荷與系數確定、制晃裝置確定、吊桿與大梁簡化。
  6. In this paper, the geological characteristics of talc for changfeng and heyuan is introduced. the condition of talc is analysed. it is discussed the genesis of talc

    介紹了採用單向托輥和阻尼板的方法對上運帶式輸送機斷帶下滑和帶式輸送機逆轉進行全線柔性摩擦制動的技術方案、主要結構、原理、理論分析計算及應用情況。
  7. Based on analyzing the exploitation and applying of bridge bearing, aiming at the hotspot of bearing research, the paper introduces the isolation bearings " structure and working mechanism. the paper also brings forward a promising isolation bearing model - polysaccharid sliding rubber bearing + high damping rubber damper

    本論文在分析國內外橋梁支座開發應用現狀的基礎上,針對目前橋梁支座開發研究的熱點,對現有減震支座的構造和工作機理做了簡單的介紹。認為聚四氟乙烯滑支座+高橡膠塊分離式減震支座是一種很有發展前景的減震支座形式。
  8. According to the working modes of mr devices, combining the ohm ' s law of magnetic circuit and the design theory of non - steady magnetic circuit, magnetic structures of the automotive damper have been worked out. to emulate the performance of conventional shock absorber, two automotive mr dampers were designed and fabricated at chongqing university. an applied magnetic field increase the yield stress of mr fluids in flow annular passages, which alters the velocity profile of mr fluid in the passages and raise the pressure gradient between low cavity and high one at some given flow rates

    根據磁流變器工作模式,利用磁路中的歐姆定律和動態磁路設計原理,結合汽車懸架的技術要求和結構特點,提出了基於剪切模式和流動模式共同作用(混合工作模式)的汽車磁流變器設計原理,討論了器動態磁路設計中的若干技術問題;根據流體力學navier - stokes方程,分別利用newton流體特性和bingham流體特性,推導了基於平模型和軸對稱模型的流變學方程,得出了力的計算方法。
  9. On the basis of above parts, this paper discusses the noise muffling of several kinds of plates. it gives the modifying formula of the mass law and verifies its accuracy with an example. at last, this paper explains the effect of stiffeners and damping on the plates " muffling characteristics

    在認識隔聲理論的前提下,研究了在寬頻域范圍上的隔聲特性,並總結了材加筋以及敷設對結構隔聲的影響,具有一定的工程實用價值。
  10. State - vector equation with damping and vibration analysis of laminates

    考慮的狀態向量方程和層合的振動分析
  11. Then according to the demand of the wheel damper and the characteristic of the tread vibration and the web vibration, a new type of wheel damper was designed and produced

    再次,根據車輪器的設計要求,結合車輪踏面和輻振動的特點,設計了新型車輪器。
  12. Jacket is the most widely used offshore platform structural style. first of all, the paper summarizes the present achievements of dynamic analysis for offshore platform, and studies both the vibration isolation system for jacket and vibration - suppressed effectiveness. considering the style and character of jacket, and in order to make best use of dampers to reduce vibration, a damping isolation scheme, in which the damping layer is laid between the jacket cap and deck is put forward

    本文在總結國內外對海洋平臺結構動力分析研究現狀的基礎上,針對淺海導管架式海洋平臺的型式與結構特點,研究了導管架式海洋平臺結構隔振體系及其減振效果,為了充分發揮器的耗能減振作用,提出了在平臺結構導管架端帽和甲之間設置柔性層的新型隔振方案。
  13. Modified reynolds equation for squeeze - film air damping of slotted plates in mems devices

    微機械槽結構空氣壓膜的修正雷諾方程
  14. Matlab procedure is coded to compute the far - field sound pressure levels of the shell excited by radial point force. the influences of modal truncation, stringers, bulkheads and damping on the shell ' s far - field sound pressure are analyzed, laying down the basis for accurate analysis of the sound radiation from fluid - loaded reinforced double cylindrical shells

    本文用matlab編製程序求解了單層殼在徑向激勵力作用下的遠場聲壓級,分析了模態截斷數、縱骨、艙壁、結構等因素對殼體遠場輻射聲壓的影響,為準確計算加筋雙層殼在水下振動和聲輻射特性奠定了基礎。
  15. We did some analysis about the relativity between the vibration and the noise of the wheel. after the testing of the first line of guangzhou underground, we found that the existing wheel damper has nothing to do with the noise of wheel less than four thousands hz. compared of different contributions of the tread vibration and the web vibration on sound level of railway noise

    在實驗過程中,改進了對車輪的激振方式,利用單擺激振提高了激振力的精度;實驗分析了車輪器的結構、安裝方式及其動力學參數對車輪器降噪效果的影響;也分析了車輪振動與噪聲的相關性;現場測試廣州地鐵一號線的噪聲特性,確定了車輪器所要控制的頻率范圍;對比分析不同激振情況下,踏面徑向振動與輻軸向振動對噪聲聲壓級的貢獻比例。
  16. In order to set up the dynamic model of swimming micro robot, this dissertation builds up the statics model and analyses the micro motion amplifying performance of micro robot mechanism, builds up the vibration model of micro robot and analyses the vibrating performance without and with damp, researches the propelling force of driven wing and the resistance of micro robot in liquid based on the theory of flat board resisting stream, builds up the dynamic model of swimming micro robot for the first time in nation and analyses its swimming performance which is influenced by driving signal frequency, amplifying performance of main machanism, area of driven wing, character of fluid and so on. this dissertation manufactures the micro robot and sets up the experimental environment and tests the amplifying effect and the vibrating performance

    本文建立了主體機構靜力學模型,研究了主體機構的結構參數對微位移放大性能的影響;建立了主體機構振動模型,研究了主體機構在無液體和有液體情況下的振動特性;根據流體力學平繞流理論,研究了驅動翼產生的推進力和微機器人在流體中受到的力;在此基礎上國內首次建立了泳動微機器人的動力學模型,並對模型進行了深入的研究,詳細闡明了驅動信號頻率、主體機構放大性能、主體機構振動特性、驅動翼面積、液體性質等因素對微機器人泳動特性的影響。
  17. So indoor dry - type air - cored reactor has the feature of isolation and damp - ness proof, all weather isolation material is adopted for outdoor reactor. the damping resistor is natural cooling and set up with slice resistor elements between which is epoxy bakelite bushing

    器系空氣自冷式,採用型電元件裝配而成,各元件之間套環氧酚醛玻璃布管,具有良好的電氣性能和機械性能。
  18. Usually only select states are available and output feedback is used. it is shown that output feedback, while not as effective as full state feedback, is still able to damp vibration. thirdly, virtual vibration measurement and control instrument is developed using lab view and homemade daq, then experiments are performed to validate the conclusion of analysis results

    最後,為了驗證在理論分析和數值模擬中得到的結論,利用虛擬儀器軟體labview和國產數據採集開發了虛擬振動測控平臺,然後對附加主被動混合的懸臂梁結構,實現了結構振動控制,實驗結果表明主被動分離結構對低階模態振動具有更顯著的控制效果。
  19. The reinforcing technique to connect both line regid do n ' t change the self - frquency of girder, but use the piece of rigid conjunction pole connect both juxtaposition girder together, under the together action of both girder, and increased the horizontal damp to realize the purpose of reduce flap

    對上、下行復線鋼梁採用雙線剛性連接技術不改變鋼梁的自振頻率,而是採用剛性連接桿件將并行的兩孔鋼梁連接起來,通過兩孔梁共同作用,加大樑體橫向而達到橫向減振目的。
  20. The random excitation of the four wheels is used as the input of this system. the changing rule of vertical displacement, three directions of acceleration power spectrum density function of person - chair system of model ca - 141 and etc. in the frequency domain is simulated using matlab. the rationality of the model is analyzed and validated by comparing of relevant testing results and theoretic analysis

    以頻域內四輪隨機激勵作為系統輸入,用matlab模擬低地城市客車等三種車型人椅系統三向加速度功率譜的變化規律,逐項分析車速、懸架剛度與參數變化對車輛平順性的影響,通過與相關研究結果的比較及理論分析驗證了模型的合理性。
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