距叶栅上游长度为L处有一个压力探测器。
There is a pressure probe at a measurement location a distance L upstream of the blade row.
计算结果同叶栅吹风试验结果很好地吻合。
The computative results approach the test results of cascade.
结果表明，对此涡轮导向叶栅的改型设计比较成功。
The results showed that it is successful of the redesign to the guide vane.
对不同轴向间距叶栅流场进行了大量时间精确模拟。
Lots of time accurate simulations about cascade flow field with different axial gaps are made.
并将该方法成功地应用于超音速叶栅流场全息干涉图的判读。
This method is successfully applied on criticizing the holographic infinite interference diagram of the supersonic cascade flow field.
为论证方法的有效性，给出了几个跨音速涡轮叶栅的计算结果。
Several computed results of transonic turbine cascades are presented to illustrate the method's capabilities.
叶栅叶片，在反推工作时，使发动机气流向相反方向流动的叶片。
CASCADE vane, a vane for turning the engine airflow during operation of thrust reverser.
计算结果表明，振荡叶栅非定常流场的压力响应在叶栅前缘较大。
The results show that the unsteady pressure response is large in the oscillating cascade leading edge.
采用离散旋涡法对振荡叶栅传播失速不稳定流场进行了数值模拟。
The unsteady flow in an oscillating cascade with propagating stall was simulated numerically with discrete vortex method.
最优设计所得的叶栅损失系数比原有叶栅的损失系数有明显下降。
The cascade loss factor of the optimally designed cascades is significantly lower than that of the original cascades.
分别对可压缩叶栅流场的亚音速和跨音速流动进行了数值模拟计算。
Some cases of compressible flow as well as incompressible flow are presented.
叶片间的振动相位差和来流冲角对振荡叶栅的稳定性均有较大影响。
Stability of an oscillating cascade is affected to a great extent by the interblade phase and incidence angles.
本文提出了用小扰动欧拉振幅方程求解振动叶栅非定常流场的方法。
In this paper, the Euler amplitude equation is developed to obtain the unsteady flow field in vibrating cascades.
本文应用后加载技术设计了一种具有后部加载特性的极小展弦比静叶栅。
An ultra low-aspect stator cascade with rear-loaded characteristics was designed by using the rear loading technology.
结果表明，随叶栅稠度的增加，叶栅损失在大部分冲角下呈增高的趋势。
The experimental results show that with the increase of cascade solidity, the cascade loss increases at most incidences.
其工程上的设计方法比较单一，普遍采用的方法是孤立叶型法和叶栅法。
The most popular design methods of the axial fan are the Single Aerofoil Method and the Cascade Method.
通过实例分析，证明这种方法对叶栅绕流等复杂流动现象的模拟是有效的。
Results reveal that the new method is effective for complex phenomenal simulation such as cascade flows.
串列叶栅的尾迹平均速度和紊流脉动速度沿额线方向比单列叶栅变化平缓。
The mean wake velocity profiles behind tandem cascades satisfy the self-similarity, similar to that behind the single-row cascade.
最后，连同通道区和尾迹区一起，求得了包括冲波影响的叶栅的总损失系数。
Finally, Over-all loss coefficients in the cascade are obtained, considering effects of the shock wave passage and wake.
作为算例用它计算了后掠超音速平板叶栅由于振动引起的非定常空气动力功。
Program and unsteady aerodynamic work caused by oscillation of sweepback supersonic plate cascade were provided as an example of its application.
并讨论了粒子的尺寸、初始速度的大小和方向对粒子在叶栅内运动特性的影响。
The effect of particle size and initial velocity on the particle motion behavior is discussed.
由转子尾迹特征参数和紊流度可以求出旋转叶栅损失，为修改设计提供参考依据。
The losses of the rotating cascade determined by the parameters of rotor wakes and the turbulence levels could be used in the design modification.
文中给出了VKI透平叶栅内的定常流结果和1.5级透平叶栅内的非定常数值结果。
Numerical results of steady flow in the VKI gas turbine cascade and unsteady flow in a 1.5 stage steam turbine are presented.
本文在大尺寸低速开式叶栅传热风洞中对一种高压涡轮导向叶栅中的流场进行了实验研究。
The flow field of straight HP turbine cascade was investigated experimentally in a large-scale low-speed open-loop cascade heat transfer wind tunnel.
实验结果表明：采用最佳倾斜角叶片能降低叶栅能量损失和改善叶栅出口流场的气动性能。
Experimental results show that by using an optimal Angle of inclination energy losses can be reduced and outlet flow fields improved.
采用数值分析与模型实验相结合的方法，对水轮机导水部件双列环列叶栅流场进行了分析研究。
The flow field of double-row annular cascades of hydraulic turbines is studied by means of digital analysis in combination with model tests.
与常规叶片相比，二次流损失较小的后部加载叮型所构成的叶栅内的通道涡在结构上较为稳定。
Compared with conventional blade, the passage vortex structure is more stable in cascade with aft-loaded blade which secondary loss is small.
在大尺寸低速开式叶栅传热风洞中对一种高压涡轮导向叶栅中的流场进行了流动显示实验研究。
The flow field visualization of a straight HP turbine cascade is conducted in a large-scale low-speed open -loop cascade heat transfer wind tunnel.
在大尺寸低速开式叶栅传热风洞中对一种高压涡轮导向叶栅中的流场进行了流动显示实验研究。
The flow field visualization of a straight HP turbine cascade is conducted in a large-scale low-speed open -loop cascade heat transfer wind tunnel.
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