导弹级间热分离流场的数值预示

推进技术 ›› 1998, Vol. 19 ›› Issue (4): 62-65.

导弹级间热分离流场的数值预示

李江,肖育民,孙得川,蔡体敏

西北工业大学航天工程学院;西北工业大学航天工程学院;西北工业大学航天工程学院;西北工业大学航天工程学院

发布日期:2021-08-15

NUMERICAL SIMULATION OF FLOW FIELD FOR THERMAL SEPARATION OF MULTISTAGE MISSILE

Coll of Astronautics,Northwestern Polytechnical Univ ,Xi′an,710072;Coll of Astronautics,Northwestern Polytechnical Univ ,Xi′an,710072;Coll of Astronautics,Northwestern Polytechnical Univ ,Xi′an,710072;Coll of Astronautics,Northwestern Polytechnical Univ ,Xi′an,710072

Published:2021-08-15

摘要/Abstract

摘要： 针对多级导弹级间热分离这一复杂环境条件，用数值模拟的方法对级间段流场进行了预示。计算采用Ｇｏｄｕｎｏｖ有限体积格式，对非定常轴对称欧拉方程进行求解。计算结果为级间分离段和发动机热防护的设计提供了理论依据。

关键词: 多级导弹;级间分离;数值仿真;有限体积法

Abstract: The thermal stage separation condition of multi stage missile is very complex.The flow field for thermal stage separation part is predicted with numerical simulation in this paper.The Godunov finite volume method is used to solve the unsteady axisymmetric Eluer equations.The results can provide basis for the design of the thermal protection of motor case the stage separation part

Key words: Multi-stage missile;Stage separation;Numerical simulation;Finite volume method

李江,肖育民,孙得川,蔡体敏. 导弹级间热分离流场的数值预示[J]. 推进技术, 1998, 19(4): 62-65.