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。
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.
仿真结果表明，相邻值的奇偶数柱塞泵的流量脉动系数相差无几，且流量脉动频率与柱塞数的奇偶性无关。
The simulating result shows that there is little difference in the flow coefficient between the adjacent odd and even piston pumps, and the flow pulsation frequency is independent...
单股和双股射流塘底脉动压强系数与近壁紊流强度的关系可用对数曲线表述。
The relationship of the fluctuating pressure coefficient on wall and the turbulent intensity near the wall can be described with logarithmic curve.
随著齿轮啮合重合系数的减小，齿轮泵的流量增大，困油容积和流量脉动率减小。
If the coefficient of engagement overlap decreases, the flow aggrandize, trapping volume and the flow pulsating ratio decreases.
结果表明，结构阻尼比增大，风振脉动增大系数明显减小。
The results showed that the fluctuating amplifying coefficient evidently reduces with the increase of damping ratio.
根据气动力系数的脉动量急剧上升的起始点确定抖振起始边界。
The buffet onset boundary is defined as the begin point of increased suddenly fluctuating value of aerodynamic coefficients.
在实际操作过程中，选择合理的床层静止高度和气流脉动频率对提高传热系数有利。
In practice, choosing the static height of the bed layer and the frequency of the gas pulsation properly can increase the heat transfer coefficient.
膜面的风振动力效应并不显著，可以近似采用阵风系数来考虑脉动风的瞬时增压作用。
The dynamic effect of wind induced vibration is not outstanding, and the moment pressure enlarging effect of the fluctuation wind can be approximately considered by the gust factor.
根据升力系数的脉动量急剧上升的起始点确定抖振起始边界。
The buffet onset boundary is defined as the beginning point where the fluctuating values of aerodynamic coefficients are increased suddenly.
消光系统在光脉动法颗粒粒径测量技术中是一个十分重要的物理量，但现有的消光系数处理方法有许多不完善的地方。
Extinction coefficient is a very important parameter in the field of particle sizing technology using optical fluctuation method. But the existing method dealing with it is not perfect.
该方法简化了消光系数的计算过程，能够满足工程测量的精度要求，有助于光脉动法在线测量的实现。
It simplifies the calculation of the extinction coefficient, meets the engineering measurement requirement, as well as helps to implementing real-time measurement.
为了选取大跨屋盖结构脉动风振响应的主导振型，提出了振型能量参与系数及其累积参与系数的计算方法。
The mode energy participation factor and the cumulated factor are presented in order to identify the dominant modes of fluctuating wind-induced response for a large-span roof.
以及脉动与否对换热系数的影响。
介绍了水轮机压力脉动试验时空化系数、测量位置及测点、信号采样频率及采样时间等因素对试验结果的影响。
In this paper, it is introduced to the influence of cavitation factor, measurement taps, sampling frequency and sampling time on the test result in pressure fluctuation test of the water turbine.
试验得到了具有典型倾角的拉索在不同风向角下，拉索模型上的平均风压和脉动风压系数，以及气动力系数。
Mean and fluctuating pressures and aerodynamic force coefficients on the cable model and the artificial rivulet are obtained under the conditions of typical cable inclined angles and wind angles.
脉动升力系数先随含气率的增大而缓慢增加，在含气率增大到0.1后增大得较快。
The oscillating lift coefficient increases with the growth of the void fraction in such a way that it increases slowly before the void fraction up to 0.1 and after that, increases faster.
表达式显示出的扩散系数随垂向脉动流速均方根值和颗粒粒径、密度而变化的趋势与实验结果吻合。
Results of homogeneous turbulence experiments show that the diffusion coefficient varies with the size and density of sediment particles, just as indicated by the theoretical analysis.
借助随机振动理论，考虑到脉动风荷载的背景和共振分量各自特点，在平均风荷载中引入系数计入背景分量。
Considering the background section and resonant section of the wind load, the background section is included in the mean wind load, which could simplify the wind load analysis on bridges.
借助随机振动理论，考虑到脉动风荷载的背景和共振分量各自特点，在平均风荷载中引入系数计入背景分量。
Considering the background section and resonant section of the wind load, the background section is included in the mean wind load, which could simplify the wind load analysis on bridges.
应用推荐