在计算区域的进口处给定均匀来流速度,在出口引入压力边界条件。
Uniform incoming fluid flowing velocity is set for entry of computation region and pressure boundary condition is inducted for outlet.
从理论解可以看出,探头电极间的感应电动势与来流速度之间呈明显的线性关系。
The theoretical solutions show a clear linear relationship between the flow induced potential produced on the probe electrodes and the approach velocity.
实验结果表明:分离越严重,来流速度越大,有效抑制翼型失速分离的阈值电压越大;
Experimental results indicate that the threshold voltage becomes higher as the inflow velocity becomes higher and the flow separation becomes more serious.
最后确定了壁板的颤振边界,分析了温度、来流速度等因素对壁板颤振特性的影响规律。
The panel flutter boundaries are finally determined and the effect of temperature, airflow speed, etc, on the panel flutter characteristics is analyzed.
利用高速摄影和图像处理技术分析了来流速度和展长比对旗帜运动学特征(频率和振幅)的影响规律;
High speed digite vedio and image processing were used to analyze the effects of the non-dimensional velocity and the flag aspect on its kinematics, flapping frequency and amplitude.
对于不同的来流速度与不同的人工扰动频率与波数,一系列的实验研究提供了一组初始扰动的增长曲线。
The initial instability development has been investigated for different modes of artificial disturbances and oncoming wind speeds.
在飞行器所在流场的下游一垂直于来流速度的截面上进行积分计算,得到升力、诱导阻力、激波阻力和总阻力。
By doing integral computation on the wake surface that is down from the aircraft and vertical to the velocity of far field, it can get the lift, induced drag, wave drag and the total drag.
进而可以得到一定来流速度下,具有不确定机翼外挂系统幅值的上下界,以及不确定参数对极限环相图的影响。
Moreover, for a fixed speed, the upper and lower amplitudes of the wing-store system with uncertainty are obtained and the influence of the uncertainty is cognized on the limit cycle phase pictures.
利用本文的研究结果还可预测仪表几何参数与来流速度分布对涡轮流量计性能的影响,作为改进仪表设计的理论依据。
The new model can also be used to predict the effects of inlet velocity profile and meter geometry on the meter's performance, and thereby improves the design of turbine flowmeters.
此外,利用汽车发动机点火系统测试了电火花能量、来流速度、电极距离等因素对汽油-空气预混气的着火稀限的影响。
In addition, the influence of the spark energy, the gas stream speed and the electrode distance on the lean ignition limit of the gasoline-air mixtures by an automobile ignition coil was determined.
随着来流速度的增加,等离子体的作用效果有所减弱,通过提高电极电压来提高电场强度,可以有效的提高其作用效果。
With the rise of the incoming flow velocity, the plasma effect decreases. So in order to obtain an effective flow control using plasma, the intensity of the electric field must be strengthened.
利用本文的研究结果还可预测仪表几何参数和来流速度分布等因素对涡轮流量计性能的影响,作为改进仪表设计的理论依据。
The new model can alto be used to predict the effects of inlet velocity profile and meter geometry on the meter's performance, and thereby improve the design of the turbine flowmeter.
他们也用了药物来引起昏迷,昏迷降低了大脑中的新陈代谢和血流速度,从而降低血压。
They also used drugs to induce a coma, which slows the metabolism and blood flow in the brain, decreasing pressure.
连续测量的水流速度是通过不同源距探测器计数率的比值来确定。
Water-flow velocity of continuous measurement was determined by the ratio of count rate value of different source spacing detectors.
微气泡的大小和数量通过改变管内外的压差和管外剪切流速度来控制。
The diameter and the number density of microbubbles are controlled by changing the difference in pressure inside and outside of tube and the velocity of liqulid cross-flow outside of tube.
重点研究了宽带信号多普勒时间膨胀测流方法,它是利用宽带脉冲信号的“多普勒时间膨胀”来测量海流速度的。
It is to measure ocean current velocity by utilizing Doppler effect of broadband signal, that is, "Doppler time dilation".
首先应用自由尾流分析技术来计算旋翼尾迹和发动机绕排流空间的洗流速度。
First, free wake analysis was carried out to calculate the rotor wake geometry and the downwash around the engine jet space.
压电式微型合成射流器的结构参数对射流速度有极大影响,然而各结构参数的影响规律及程度无法用单因素考查法来确定。
The orthogonal method and multiple-domain coupling numerical simulation are used to explore the influence of structural parameters on piezoelectric micro synthetic jet velocity.
用LSFG值来计算平方模糊率(SBR),这是一个相对血流速度的定量指标。
LSFG values were used to calculate the square blur rate (SBR), which is a quantitative index of relative blood flow velocity.
用LSFG值来计算平方模糊率(SBR),这是一个相对血流速度的定量指标。
LSFG values were used to calculate the square blur rate (SBR), which is a quantitative index of relative blood flow velocity.
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