振動柵 的英文怎麼說

中文拼音 [zhèndòngzhà]
振動柵 英文
vibrating grid
  • 振 : 動詞1. （搖動; 揮動） shake; flap; wield 2. （奮起） brace up; rise with force and spirit
  • 柵 : 柵名詞（柵欄） railings; paling; palisade; bars
  • 振動 : vibrate; vibration; vibrance; vibrancy; vibra; vibes; shaking; rumble; jitter; chatter; sway; jar...
  1. Assuming the blades conduct a planar simple harmonic motion, the flows in vibrating cascades in the case of different oscillating amplitudes, different reduced frequencies and different torsional centers are computed respectively for two blade profiles. according to comparing flow calculations at different oscillation modes, the influence of the oscillation parameters " selection on aeroelastic performances of cascades is analyzed

    假定葉片做平面簡諧運動，針對兩種葉型分別計算了不同振動幅度、摺合頻率及扭心位置時的振動葉柵流場，根據各種振型下流場計算結果的比較，分析了振動參數選取對葉柵氣動彈性性能的影響。
  2. First, it was taken that a discuss about the effects of geometry parameters of each piezocrystal on direction parameters ( main lobe width, side lobe amplitude, elimination of grating lobes ), amplitude of ultrasonic pressure, element viberation pattern, mutual radiation among elements, efficient test regions, ability to keep accurate and near - field distance and so on. based on the direction of ultrasonic field in ulpa deduced by ourselves. in addition, on the base of integrating all kinds of factors, it was put forward that the principle and method for optimized design of geometry parameters of piezocrystals in ulpa transducer, and its design programme and interface were compiled

    首先在推導超聲相控線陣換能器聲場的指向性的基礎上，就各個晶片幾何參數對指向性指標（主瓣寬度、旁瓣幅度、消除柵瓣） 、聲壓幅值、陣元振動模式、陣元間互輻射、有效檢測區域、精確控制能力、近場長度等方面的影響進行了論述，並在綜合各方面影響的基礎上，提出了晶片幾何參數優化設計的原則和方法，編寫了設計程序和界面。
  3. The numerical flutter analysis system was formed by the three - dimensional numerical simulation of the vibrating cascade flow combined with the structural dynamics analysis of vibrating blade

    將振動葉柵三維流動數值模擬與振動葉片結構動力學分析相結合，建立了葉片顫振數值分析系統。
  4. Principle of operationthe ring hammer granular crusher makes use of impact hitting hammer rings cross mounted on the rotating rotor to crush materiel. after first crushed by impact force of hammer rings, the materiel is then pressed, sheared and ground between crushing plate and ringhammers to the required granular product which flows off the screen, and those uncrushed such s tramp iron, wood pieces, stone etc will be brought into the tramp iron trap. this crusher features little blast wind, less vibration andlong, service life of vulnerable

    工作原理環錘式破碎機利用旋轉的轉子帶動環錘對物料進行沖擊破碎，被沖擊后的物料又在環錘和破碎板、篩板之間受到壓縮、剪切、碾磨作用，使物料達到所需的粒度，被破碎后的物料經篩板的柵孔落下，不能被破碎的鐵塊、木塊、石塊等經撥料板撥進除鐵室.本機具有鼓風量小、振動值小，環錘等易損件壽命長等特點。
  5. Abstract : as the heart of twt ， the structure stability of grided electron gun directly affect pulse output performance of twt ， and the structural reliability under vibration stress are especial - ly important for today ' s manufacturers

    摘要：柵控電子槍作為行波管的「心臟」 ，其結構的穩定性直接影響著管的脈沖輸出性能，特別是在振動應力下的結構可靠性更是當今生產單位關注的重點。
  6. A brief introduction is described which indudes the state of the art of research and design about the trashracks of conventional and pumped - storage hydroelectric plants, the necessary to research the flow - induced vibration of the trashrack bar by use of hydro - elastricity similaymodel and the background of this study

    對抽水蓄能泵站攔污柵流激振動的研究狀況、設計方法，本研究課題的背景和採用水彈性模型研究柵條流激振動的必要性作了簡要說明。
  7. In the end, the situations of work done by aerodynamic forces on blade surfaces when flow - structure is coupled and is n ' t coupled under the same conditions are compared, the result indicates that the work done by aerodynamic forces after the coupling restraint is unloaded has a distinct change

    本文最後比較了相同條件下氣固耦合與非耦合時葉表氣動力的做功情況，其結果表明解除耦合約束后氣動力做功有顯著變化，為深入研究振動葉柵流場，必須考慮葉片結構動力因素。
  8. Experimental study on interface friction of plastic geogrid reinforced earth

    塑料土工格柵加筋土結構的振動臺試驗研究
  9. Study on vibration characteristics of single rack in trash - rack

    攔污柵結構中單根柵條振動特性研究
  10. During pumping operation the maximum strains are subject to variation from 17 v - e to 22p e with velocity from 0

    給出了模型中柵條系統的實測自振譜和發生超馳振動時的臨界流速。
  11. Unsteady flow analysis of vibrating cascade under flow structure coupled condition

    氣固耦合振動葉柵非定常流動分析研究
  12. This paper put forward a demodulation method of fbg sensors based on the voltage drive fabry - perot cavity ( f - p ), on which we have a feedback control voltage to drive. a novel automatic trace method is creatively proposed

    本文提出了一種基於電壓驅動可調法布里腔自動跟蹤掃描濾波的光纖光柵傳感器解調方案，利用電壓反饋控制可調法布里腔的方法，達到對外界的振動、應變等物理量引起的布拉格光纖光柵反射光譜的漂移進行解調。
  13. ( 3 ) an integrity demodulation system of fbg sensors was well designed. based on a f - p cavity driven by the voltage, a novel automatic trace demodulation technique was carried out

    （ 3 ）完整的研究設計了一套光纖光柵傳感器的解調系統，適用於振動（加速度）測量。
  14. The flows in the case of different reduced frequencies are computed respectively for two blade profiles. by comparing the time curves of relative parameters in oscillating cascades and the flow field contours under different conditions, it is indicated that the reduced frequency is an important factor to determine whether the blade flutter happens or not

    針對兩種葉型分別計算了不同摺合頻率下的流場，通過比較振動葉柵相關參數隨時間變化的曲線及流場雲圖，表明摺合頻率是決定葉片顫振與否的重要因素。
  15. High - resolution nnd scheme and fully implicit dual - time stepping method were adopted in the three - dimensional vibrating cascade flow calculation. thus, the correct simulation of the shock in transonic flow and the efficiency of calculation were both taken into consideration

    在三維振動葉柵流動數值模擬中，採用高解析度tvd類型的格式和全隱式雙時間方法，保證了對流動的正確模擬，準確地捕捉了跨音流動中的激波，其計算效率非常高。
  16. The results of analyzing new rod baffle and comparing it with the ordinary grid baffle show that the new structure has stronger restriction against the tube bundles vibration

    對改進后的折流柵的剛度和管子振動固有頻率進行了分析與對比，表明改進后的折流柵抗管子振動性能更好。
  17. The navier - stokes equation is discretized in the moving - grid system. by adopting the explicit four - stage runge - kutta jameson finite volume scheme, and under the sustainment of acceleration algorithms such as dual - time stepping method, the multi - grid strategy and implicit smoothing of the residuals, a two dimensional unsteady viscous flow in vibrating cascades is simulated

    本文在運動網格體系中離散n - s方程，應用runge - kutta四步顯式的jameson有限體積格式，並在雙時間方法、多重網格法及殘差光順等加速演算法的支持下，計算了二維振動葉柵非定常粘性流場。
  18. By using a finite volume method to solve the navier - stokes equations, two - dimensional vibrating cascade flow was computed

    採用有限體（面）積法求解navier - stokes方程，完成了二維振動葉柵流動數值模擬。
  19. There were some intensively nonlinear features in the vibrating cascade flow. the frequency of the separated vortex ' s propagation was not equal to the vibrating frequency of the blade

    二維分析中發現振動葉柵非定常粘性流動具有較強的非線性特徵，振動誘發的分離渦傳播頻率與葉片的振動頻率不一致。
  20. First, a 2 - d unsteady viscous flow in a vibrating cascade is investigated under flow - structure uncoupled conditions

    本文首先研究氣固非耦合條件下的振動葉柵內二維非定常粘性流動。
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