流動脈動 的英文怎麼說

中文拼音 [liúdòngmàidòng]
流動脈動 英文
flow fluctuation
  • 流 : Ⅰ動1 （液體移動; 流動） flow 2 （移動不定） drift; move; wander 3 （流傳; 傳播） spread 4 （向壞...
  • 脈 : 脈名詞1. （動脈和靜脈的統稱） arteries and veins2. （脈搏的簡稱） pulse 3. （像血管的組織; 連貫成系統的東西） vein
  • 流動 : 1. （液體或氣體移動） flow; run; circulate 2. （經常變換位置） going from place to place; on the move; mobile
  • 脈動 : [物理學] [天文學] pulsation; pulsing; pulse; ripple; impulsive motion; pulsating; panting; loping...
  1. If the coefficient of engagement overlap decreases, the flow aggrandize, trapping volume and the flow pulsating ratio decreases

    隨著齒輪嚙合重合系數的減小，齒輪泵的流量增大，困油容積和流量脈動率減小。
  2. The pulsations in the rectified current can be reduced by using a capacitor.

    經過整流的電流的脈動，能夠利用一個電容器使其減小。
  3. Fluid noise mainly comes from out put pulsation of rate of flow, the main reason of out put pulsation of rate of flow is the instant high pressure return flow that obturation cubage produced when the big round curve pressure transition. the v trough on the port plate can reduce the fluid noise. in this paper, the author based on the acting of dam a river and condensability of liquid and used matlab language as tool to calculate the v trough on the original port plate and drew out the p - t diagrammatic curve and analyzed its shortcoming and improved the design of original v trough and got that the best size of its angle was 12. 3 and its length was 5mm and the cross section was an equilateral triangle

    流體噪聲主要來源於輸出流量脈動，造成輸出流量脈動的主要原因是閉死容積在大圓弧段壓力切換時產生的瞬時高壓迴流，在配流盤上開設v型尖槽可降低因高壓迴流而引起的流體噪聲，本文以截流作用和液體的可壓縮性為理論依據，以matlab語言為工具，對原配流盤上的v型尖槽進行了理論計算，繪制出p - t圖線，分析了它的不足，並對原有v型尖槽進行了優化設計，得出了v型尖槽的最佳幾何尺寸：配流盤平面上的v型尖槽的兩邊的夾角為12 . 3 ，槽長5mm ，槽的橫截面為等邊三角形。
  4. The numerical results show that the time domain response of the laminated plates induced by the in - line force of non - steady component oscillating flow is similar to harmonic motion with certain ribbon which is formed by period motion

    計算結果表明，零均值流量脈動流順流向作用力誘發反對稱角鋪設層合板的時域響應近似於具有一定帶寬的諧波運動，而這一帶寬又是由一定周期運動形成的。
  5. The flow characteristics of the elliptic rotator pump

    擺動活齒泵的流量脈動
  6. 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作用的阻尼穩壓箱進行了研究。
  7. The following is the detail design of the pump, and a optimum mathematical model are presented to mostly reduce the helical gear pump flow pulse

    在此基礎上進行了斜齒齒輪泵的結構設計，通過建立斜齒齒輪泵齒輪的優化數學模型，優化計算出使輸出流量脈動最小的斜齒輪參數，製造出斜齒齒輪泵樣機。
  8. 2. the flux characteristics of ordinary helical gear pump are lucubrated by theory for the first time, on this condition the selective qualification of the helical gear pump is gained

    首次對普通斜齒齒輪泵流量特性進行了深入的理論研究，在此基礎上研究了全齒廓嚙合斜齒齒輪泵流量特性，首次得到了完全消除斜齒齒輪泵流量脈動的螺旋角的選擇條件。
  9. And at last the measurement of helical gear pump flow pulse has been presented, which include how to measure the flow pulse and the validating the theory mentioned before and to try to the solve the problems happened during the process

    根據齒輪泵流量脈動的檢測要求，採用新的測試方法和手段，建立了中高壓齒輪泵性能測試裝置，並對樣機進行了性能測試。
  10. The researchful results indicate that the flux pulse ration of ordinary helical gear pump without clearance is less than that of the gear pump with clearence under the condition that the main parameters are same, and the flux pulse ration of ordinary helical gear pump is less than that of whole profile meshing helical gear pump

    研究結果表明：在主要參數相同的情況下，普通斜齒齒輪泵無側隙時流量脈動率小於有側隙時的流量脈動率；全齒廓嚙合斜齒輪泵比普通斜齒輪泵的流量脈動略小。
  11. At first, on the base of the analysis of the mechanism of the helical gear pump, the paper try to find the relationship of the helical gear pump flow pulse with its corresponding parameters, give the solution of the problems brought by the replace of spur gear to lay the firm basis for the structural design of helical gear pump

    本論文在對齒輪泵工作原理和流量脈動機理分析的基礎上，首先探討了斜齒齒輪泵的輸出流量脈動與斜齒輪各結構參數之間的關系，以及由於斜齒輪替代直齒輪帶來的相關問題並提出解決辦法，為斜齒齒輪泵的結構設計奠定基礎。
  12. Ppfc working principle, circular current and effects of clamping capacitor are studied in this paper in detail. because of the clamping capacitor, ppfc have some good features compared with ppc : reducing the fluctuate of the input current ; restraining the voltage spike of the power mosfet ; avoiding the bias - magnetic of the transformer

    由於箝位電容的加入，相對于推挽電路而言，該拓撲具備了一些獨特的優點：減小了輸入電流的脈動：削弱了開關管的關斷電壓尖峰；有效抑制了變壓器的偏磁。
  13. Experimental study on the sliding - tooth pump

    擺動活齒泵流量脈動的試驗研究
  14. The flow characteristics of compound gear pump

    中心輪齒數對復合式外齒輪泵流量脈動的影響分析
  15. Pressure and flow pulses may be used to keep the tubes unobstructed.

    可用壓力和流動脈沖使管子暢通。
  16. The tooth shape of gear pump has important influence on machining and characteristics of pumps, such as flow rate, fluctuation rate and noise etc. first, the working principle of tatsuno combined pumps is analyzed in this article

    齒輪泵的齒形對泵的加工、性能（如：流量、脈動率、噪聲）等有很大的影響。本文首先分析了進口tatsuno組合泵的工作原理，並進一步分析了其採用一對雙圓弧齒輪的優缺點。
  17. Although the flux per revolution of the optimized pumps is a little smaller than that of tatsuno combined pumps, other characteristics, such as fluctuation rate, maximum pressure angle and velocity fluctuation rate etc, are much better. the methods to cut gears are proposed in the theory for the practical produce in the future

    雖然，在體積相等的條件下，優化出來的外圓弧包絡線內嚙合齒輪泵的排量略小於tatsuno組合泵的排量，但其它性能（如：流量脈動率、最大壓力角、速度波動量）都更優。
  18. In chapter 3, the pressure pulse under the two situations of the system with and without damper is discussed at the basic of analyzing the flow rate pulse. then the conclusion that the system has filtering effect is drew after adding a damper in it, but its serious in power wastage because of adding a damper

    第三章，在分析液壓泵流量脈動的基礎上，討論並對比了系統加與不加阻尼兩種情況下各自的壓力脈動，得出系統中加一個阻尼后，具有一定的濾波作用，但是當流量較大時，由於阻尼的存在，系統功率損失比較嚴重。
  19. Finally finding that there are two reasons that cause vibration of pipe and noise. the one is the vibration of pump which transfers to pipe and stimulates the vibration of pipe. the second is the stimulating frequency of pulsating water is coherent with the natural frequency of pipe

    最後得出管道的振動主要是由於兩個原因，一是泵的機械振動傳遞給管道，引起管道的振動；二是由於水流的脈動激勵頻率與系統的固有頻率相吻合，引起管道的共振發聲。
  20. Firstly, the mechanism of self - excited oscillation was introduced. when the water jets from the inlet nozzle flows into the chamber, the momentum exchange between the jet and the liquid in the chamber occurs, thus to form an unstable shearing layer with certain thickness

    這是一種嶄新的強化換熱技術，流體脈動能夠造成換熱器全程的換熱強化，而且自激振蕩脈沖射流強化換熱技術本身是一種無功強化的方法，無需輸入外部能量來產生擾動。
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