throat 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。

Experimental study for such was carried out on established test rig with flat, converging and converging diverging nozzles of different throat diameter, shape and diverging angle.

为使流经缩放形喷管的低温热水得到充分膨胀和加速，在此对缩放形喷管的喉部及扩张段进行实验对比分析。

The effeets of the throat area ratio and divergent angle on the performance of the two-dimensional type turbulence generator are given.

本文给出了二元紊流发生器的喉道面积比和扩张角对其性能的影响，并建立喉道调节规律以指导实验者在台架上的操作。

The paper discusses influence of the non-dimensional throat area of the reversal nozzle for thrust termination and the angle included between the axes of reversal nozzle and rocket motor on the propellant weight for cutout.

本文讨论反喷管相对喉面、反喷管轴线倾角对关车药量的影响以及关车药量的计算方法。

Nozzle flow field of SRM was numerically simulated with Fluent software. The effects of nozzle convergent half angle, radius of curvature on upstream of throat section and length of throat cylinder on flow field are investigated.

用Fluent计算流体力学软件对固体火箭发动机喷管流场进行了数值计算，研究了喷管收敛半角、喷管喉部上游圆弧曲率半径和喉部圆柱段长度对喷管流场的影响。