脈動流 的英文怎麼說

中文拼音 [màidòngliú]
脈動流 英文
fluctuating flow
  • 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 : 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...
  • 脈動 : [物理學] [天文學] pulsation; pulsing; pulse; ripple; impulsive motion; pulsating; panting; loping...
  1. One cardiac cycle is divided into 50 parts in the transient analysis to accurately simulate the continuous pulsatile blood flow in the coronary artery, the hemodynamic parameters of the atherosclerotic and the controlled models at each of the 50 moments were computed in accordance with the physiological condition

    這些計算包括：脈動流情況下的非狹窄和狹窄不對稱性對狹窄流場的影響，分岔角度變化時動脈狹窄和非狹窄的各種血流動力學參數的計算模擬。
  2. 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。
  3. An analysis model of pulsatile blood flow in arteries

    動脈中血液脈動流的一種分析方法
  4. The research work in nonlinear pulsatile flow and nonlinear pulse wave propagation is reviewed

    本文首先回顧了前人在彎曲動脈中脈動流和脈搏波傳播方面的研究工作。
  5. Pulsating flow of mean constant flow - rate

    恆定平均流量的脈動流
  6. The sediment - laden flow fluctuating velocimeter designed in this study has a well static and dynamic charateristic

    本文研製的渾水脈動流速儀具有良好的靜、動態特性。
  7. In this work, a new dual triangulate bluff body vortex flowmeter was developed, the flux lower limit value of which lower by 50 % that of the old single bluff body vortex flowmeter. the linear correlation of the correlation between the velocity pressures of fluid disturbs wave and that of vortex precession in vortex precession flowmeter was brought to light, and a spectrum phase discrimination method based on fft to remove the effect of fluid pulsating interference on vortex precession flowmeter was advanced

    研製出比傳統單鈍體渦街流量計流量下限降低約50的新型雙鈍體渦街流量計；揭示出脈動流中旋進旋渦流量計流體振動特性，並在此基礎上提出基於fft相位判別的數字信號處理方法來消除流場脈動對旋進旋渦流量計的干擾的方法。
  8. 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。
  9. Motion equations for the composite laminated plates induced by oscillatng flow were derived

    摘要導出在脈動流順流向作用力下的復合材料層合板的運動方程。
  10. The research result demonstrates that along with the increment of reynolds number, the root mean square value of outer fluctuating magnitude of the external diameter in fall frequency band increases, the root mean square value of fluctuating magnitude of the external diameter in high frequency band decreses, demonstrating that the fluctuation of flexible pipe wall changes fluctuation don field of original rigid pipe, large - size eddy motion increases and small - size eddy motion decreases, this reduces energy loss and increases friction reduction effectiveness

    研究結果表明：隨著雷諾數的增加，全頻帶的外徑脈動的均方根值加大，但高頻帶外徑脈動的均方根值減小，說明柔性管管壁脈動確實改變了原剛性管的脈動流場，大尺度渦的運動加劇，低尺度渦運動減弱，從而使得能量損失減少，減阻效果增大。
  11. The turbulent flow in open channel is tested with laser - doppler anemometer, in which the longitudinal time average velocity and fluctuating velocity of turbulent flow in open channel under the conditions of the sudden changes of roughnesses at different water depths are measured

    摘要通過激光測速儀，對壁面糙率突變時的明渠紊流進行試驗，測量了糙率突變不同水深情況下明渠紊流的縱向時均流速和脈動流速。
  12. Through research of automatic dosing system, established by determining automatic dosage in the methods of transmittance pulsation, streaming potential and mathematical model, it can be concluded that the automatic dosing system brought forward in this paper can fulfill requirements of the technics. likely, this system can also be applied for dosing of other chemicals in water plants, chemical dosing of wastewater treatment plants and other similar places

    通過對採用透光率脈動、流動電位、數學模型等方法確定混凝劑投加量建立的自動配投系統的研究表明本文提出的自動配投系統能滿足工藝的要求：同樣該系統也適用於給水處理廠其他藥劑的投加，適用於污水處理廠及其他類似場合藥劑的投加。
  13. Measurement of 27 ultramicroporous expanded polytetrafluoroethylene mitral valve under pulstile flow in vitro

    超微孔膨體聚四氟乙烯人工二尖瓣體外脈動流性能檢測
  14. Under different positions of a tripping wire or speeds of the side jet, the controlled experiments were made, including the receptivity of the shear layer near jet exit to acoustic excitations, the spatial development of fluctuating velocity and the profiles of mean velocity

    在不同絆線位置或不同旁射流流速條件下，研究了射流出口臨近剪切層對聲激勵的感受性，脈動流速向下游的空間演化及平均流速剖面。
  15. Research on traits of flow and heat transfer of inner single - phase water in micro - channel

    凹槽通道中脈動流動強化傳質的數值研究
  16. Measurement of fluid flow in closed conduits - guidelines on the effects of flow pulsations on flow - measurement instruments

    密封管道中液體流量的測量.脈動流動對流量測量儀器影響的指南
  17. An experimental study of the dynamic characteristics of swirlmeter in oscillatory flow

    脈動流場中旋進旋渦流量計流體振動特性的實驗研究
  18. The analysis is relatively simple due to the good approximation and the compact expression of the spline function

    由於樣條函數有良好的逼近性及緊湊性，使得層合板在脈動流這種復雜荷載作用下的動力分析也相對簡單。
  19. A new type pulsing fluid - bed dryer was developed based on the original model that had shortcoming of not ideal pulsing effect and not smooth conveying of materials

    摘要針對原有脈動流化乾燥機存在的脈動效果不夠理想、物料輸送不夠流暢等問題，研製了一種新型的脈動振動流化乾燥機。
  20. Changing the structure of pipelines to avoid resonant vibration with pressure pulsation is the main rule

    改變管道固有頻率避免其與壓力脈動流產生共振是主要的指導方針。
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