flow fluctuation

英 [fləʊ ˌflʌktʃuˈeɪʃn] 美 [floʊ ˌflʌktʃuˈeɪʃn]

流量波动

化学



双语例句

  1. Effect of Nozzle Outlet Angle on Fluid Flow and Level Fluctuation in a Beam Blank Casting Mould
    水口倾孔倾角对异型坯结晶器流场和液面波动的影响
  2. Experiment on the influence of discharge ratio of main flow of tributary on flow fluctuation characteristics in confluence area
    主支汇流比对交汇区域水流脉动特性影响试验
  3. The optimization that can give the reference value to the local production was gained by the systemic research on the fluid flow and fluctuation in the mould.
    对结晶器内流场分布及液位波动进行研究,提出了优化工艺参数,为实际生产提供了依据。
  4. In order to study the scale effect of flow stress fluctuation, micro copper cylinders with different grain size were compressed at room temperature.
    通过对常温下具有不同晶粒直径的微型铜圆柱体进行镦粗实验,研究了微小尺度下流动应力波动尺度效应现象。
  5. In 2004, TDP ( Thermal Dissipation Sapwood Flow Velocity Probe) and Auto-Meteorological Station were applied to study the rule of sap flow fluctuation of different plot in Miao-fengshan Forest Research Station of Beijing Forestry University.
    利用热扩散探针配合自动气象站于2004年度在北京林业大学妙峰山试验林场对不同立地条件下的油松、侧柏、栓皮栎等树种的水分运移规律进行研究。
  6. It could be found out from the simulation result that, compared to the conventional flow distribution configuration, the composite damping could effectively decrease flow fluctuation.
    由仿真结果可看出:和传统的配流结构相比,在阻尼形式上采用复合阻尼可以有效地减小流量脉动。
  7. The Design of Outer Ring Curve and the Analysis of Flow Fluctuation of a New-type Double Acting Radial Piston Pump
    新型双作用径向柱塞泵的定子曲线设计及流量脉动分析
  8. Therefore, Comparing with traditional pump, the noises caused by the flow fluctuation will reduce greatly.
    因此,和以往的泵相比,由流量脉动所引起的噪声将会大大的降低。
  9. Maximum influencing factors of flow fluctuation coefficient are the elastic modulus of the oil and the working pressure of the pumps, the piston number being a minor factor.
    同时指出流量脉动系数最大的影响因素是油液的弹性模量和油泵的工作压力,其次是柱塞数。
  10. The theory can be applied not only to the calculation of well flow, fluctuation in stage, but to the design of multiple well system, tendency forecasting, water resources evaluation and derivation of parameters as well.
    本方法不仅可用于计算井的出水量、水位变化,还可以设计井群、预报动态、评价资源,推求水文地质参数。
  11. This model treats fluctuation of particle movement as a random Fourier series based on gas flow fluctuation spectrum and hence is known as the fluctuation-spectrum-random-trajetory ( FSRT) model.
    该模型将颗粒运动的脉动考虑成&种基于气流脉动频谱的随机Fourier级数,称为脉动频谱随机轨道模型(FSRT)。
  12. Dynamic Simulation of the Flow Fluctuation in Water Hydraulic Axial Piston Pump
    水压轴向柱塞泵流量脉动动态仿真
  13. Cause Analysis and Countermeasures of Seal Oil Flow Fluctuation of Large Size Generator Set
    大型发电机组密封油流量波动的原因分析及对策
  14. The experimental results showed that the flow fluctuation value around riprap was larger than other flow, which resulted in the development of bed scour and increase of stone movement.
    试验结果表明,抛石附近水流的脉动强度明显高于远离岸脚水流的脉动强度,从而加剧了抛石所在位置的河床冲刷。抛石体趾脚处河床被淘刷,导致石头滚动或滑动的趋势增强。
  15. Influence of composite damping of port plate of flow fluctuation of composite vane pump
    子母叶片泵配流盘复合阻尼对流量脉动性的影响
  16. Model TDB hydraulic reciprocating duples pump for water shutoff and profile control operates with large pressure and flow fluctuation.
    为了克服TDB双缸液压往复泵流量和压力波动大需要流量补偿等不足,研制了SYB&Ⅰ型三缸液压往复式堵水调剖泵。
  17. Based on the crystal plasticity theory and mathematical theory of statistics, the relation of flow stress fluctuation quantity to grain dimension as well as billet dimensions was built.
    基于晶体塑性理论及数理统计理论,建立了流动应力波动幅度与晶粒尺寸和坯料几何尺寸间的关系。
  18. This paper analyses the random process of traffic flow fluctuation of the traffic control system and presents the subsystem quasi-junction method for the determination of signal cycle of the system.
    本文通过对城市干道交通控制系统交通流波动特性的随机过程分析,提出了确定该系统信号周期的子系统比拟法。
  19. It is found that the flow fluctuation coefficient of the pumps is one magnitude order higher than that when the fluid compressibility is neglected and, moreover, it is not affected by the parity of piston number.
    求得轴向柱塞泵瞬时流量脉动系数比工作介质不可压缩时大一个数量级,且与柱塞数的奇偶性无关。
  20. In addition, the flow fluctuation coefficients of the discussed piston pump with even plunger is larger than that of piston pump with adjacent odd plunger.
    此外,偶数柱塞泵的实际流量脉动系数要大于与之相邻的奇数柱塞泵的实际流量脉动系数。
  21. So, this new type of cycloidal pump is capable of operating with higher rotation speed and more teeth, higher specific flow rate, less flow fluctuation and wear.
    因此,新型转子泵可以采用较普通转子泵更高的工作转速、更多的齿数,并获得更大的流量、更小的波动和更小的磨损。
  22. In view of the disturbances of reboiler vapor heating quantity and reflux quantity caused by the feed flow fluctuation in the distillate tower system control, a dynamical feedforward anti disturbance control method is proposed.
    针对精馏塔系统控制中进料量波动对塔釜重沸器蒸器加热量及回流量的干扰,提出了动态前馈的抗干扰控制方法。
  23. In order to solve the problem of nitrogen flow fluctuation and coupling interference in the process of classification, main pipeline flow rate is controlled by fuzzy-PID, which makes the flow rate return to set value quickly after significant interference and maintain a high steady-state accuracy.
    针对分级过程中氮气流量波动较大且存在耦合干扰的问题,对主管道流量设计了模糊PID控制,使流量既在受到较大干扰后能快速回到设定值附近,又能保持较高的稳态精度。
  24. The simulation results of wetted area, liquid mass flow fluctuation at the outlet, spatial liquid film thickness variation and pressure drop are analyzed, and qualitatively agree with previous experimental observations.
    本文计算分析了润湿面积、出口处液相流量波动、液膜厚度的空间变化以及压降情况。
  25. And it shows that the flow fluctuation has been solved by structure improving. 6. The performance of mechanical supercharger has been predicted based on artificial neural network technology and experiment data.
    实验结果表明:通过对机械增压器的结构改进,基本消除了机械增压器的气流脉动现象;6、采用人工神经网络技术,以实验数据为样本,对机械增压器的性能进行了预测。
  26. For the flow rate fluctuation problem, the frictional pressure drop is separated from the fluctuating total pressure drop.
    对流量波动问题,通过理论分析,从波动的总压降中分离出摩阻压降部分。
  27. Experimental research and theoretical analysis on flow and heat transfer characteristics under flow fluctuation periodic condition are carried out.
    本论文对流量周期性变化条件下的流动与传热特性进行了实验研究及理论分析。
  28. An automatic adjusting system of the stage plan is designed and realized, which is beneficial for achieving the automatic adjusting of the stage plan with live traffic flow fluctuation and improving the achievement ratio of the stage plan and the operating efficiency of the marshalling station.
    设计并实现了一种编组站阶段计划自动调整系统,用以实现阶段计划随现场车流波动自动调整,进而提高编组站阶段计划兑现率和编组站的作业效率。
  29. The conclusion is that the rolling lead to the flow rate fluctuation and the flow rate fluctuation affects the position of the vapor bubble departure.
    我们得出结论:摇摆引起了流量波动,流量的波动导致气泡脱离点的位置变化。
  30. The part fractal characteristic of short period traffic flow is analyzed using minimal cover dimension. The relationship between minimal cover dimension and short period traffic flow fluctuation is determined.
    利用最小覆盖维方法分析了信号交叉口短时交通流的局部分形特性,确定了最小覆盖维数与短时交通流量波动的关系,提出了一种能估计短时交通流量发展和变化趋势的最小覆盖维方法。