vane angle

In this paper, the Mach number control system in NF-6 wind tunnel is introduced, especially in detail for the compressor rotary speed control sub-system, the compressor stator vane control sub-system and the second throat control sub-system. angle.

笔者介绍了NF6风洞马赫数控制系统的组成、特点及运行方式，对转速控制子系统、压缩机静叶角控制子系统、二喉道栅指控制子系统等进行了较为详细的介绍。

After adding the two optimize variable of the fan and compressor guide vane angle, control Algorithm can dig the engine capacity potential better.

在加入风扇和压气机导叶角度两个寻优变量后，控制算法能够更好的发掘发动机的性能潜力。

The investigation shows the performance gets quite insensitive to the prewhirl angle of IGV as the stagger angle of diffuser vane is reduced to the minimum 7 °;

研究表明：扩压器进口安装角最小值为7°时，压缩机性能对进口导叶预旋角不敏感；

The calculating result showed that impeller outlet diameter D2 effects on the head largest of these parameters, vane outlet angle β 2 smallest, inlet diameter D1, outlet width b2, vane number Z and vane length ratio R were between them successively.

计算结果表明，在这些几何参数中，叶轮出口直径D2对扬程影响最大，叶片出口角2β影响最小，进口直径D1，叶轮出口宽度b2，叶片数Z和叶片长度比R依次地处于它们之间。

This paper studies the turbine flow meter in water valve from the following aspects: guide vane, blade shape, blade angle, blade number, and top clearance of the impeller.

本文将从叶轮前后导流件、叶轮叶片形状、叶片倾角、叶片数目、叶轮顶隙大小等几个方面对涡轮流量传感器进行设计研究，确定传感器的结构和几何参数。

In the L8 ( 2 7) orthogonal test, six factors considered were as follows: lubricating oil, condenser thickness, fan diameter, angle of fan vane, frequency of fan electromotor and environment temperature.

通过L8（27）正交试验，对压缩机所用润滑油的种类、冷却器的散热面积和厚度、风扇直径、扇叶角度、风扇电机频率以及环境温度6个因素进行了正交试验研究。