vane angle

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；

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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。

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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。

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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。

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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。

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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。

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