SIMULATION OF A SUPERSONIC NOZZLE OF A MASSIVE HELIUM JET INJECTOR

被引：0
|
作者：
Timokhin, V. M. [1 ]
Korobko, D. D. [1 ]
Nurtdinova, L. I. [1 ]
Kapralov, V. G. [1 ]
Sergeev, V. Yu. [1 ]
机构：
[1] Peter Great St Petersburg Polytech Univ, 29 Politech Skaya St, St Petersburg 195251, Russia
来源：
ST PETERSBURG POLYTECHNIC UNIVERSITY JOURNAL-PHYSICS AND MATHEMATICS | 2023年 / 16卷 / 04期
关键词：
numerical simulation; magnetic confinement; high-temperature plasma; gas jets; discharge shutdown;
D O I：
10.18721/JPM.16406
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
The paper describes the design and operating principle of a valve designed for testing the prototypes of key elements of a massive gas injection system: a seat and a supersonic nozzle. The calculation results for supersonic nozzle parameters close to optimal for the selected valve design have been presented. The simulation of gas flows through the seat and nozzle was carried out, the parameters of the formed jet at the injection system outlet in the nozzle near field were calculated. The choice of the "stepped" nozzle profile for the first tests was justified. An assessment was made of the requirements for the accuracy of manufacturing prototype nozzles.
引用
收藏
页码：63 / 75
页数：13
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