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弹箭与制导学报 >

2017 , Vol. 37 >Issue 4: 80 - 83

DOI: https://doi.org/10.15892/j.cnki.djzdxb.2017.04.019

弹药技术

下挂式空中发射运载火箭的动网格仿真分析

  • 舒杰 ,
  • 张登成 ,
  • 张艳华
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  • 空军工程大学航空航天工程学院,西安 710038

舒杰(1993-),男,安徽滁州人,硕士研究生,研究方向:飞行力学。

收稿日期: 2016-10-21

  网络出版日期: 2025-05-28

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Analysis of Hanging Type Air Launch Vehicle by Simulation of Dynamic Grid

  • SHU Jie ,
  • ZHANG Dengcheng ,
  • ZHANG Yanhua
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  • Aeronautics and Astronautics Engineering College, Air Force Engineering University, Xi'an 710038, China

Received date: 2016-10-21

  Online published: 2025-05-28

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摘要

为实现下挂式空中发射运载火箭机箭安全分离与运载火箭顺利点火,机箭分离轨迹及机箭气动耦合特性的研究十分重要。描述下挂式空中发射分离过程,运用CAD软件构建了机箭系统三维模型;利用CFD动网格技术对分离过程进行了6DOF气动耦合仿真分析。仿真结果显示机箭分离过程中未发生机箭碰撞现象,同时载机与火箭之间的气动耦合对于分离过程的影响是利弊双向的。文中的结论可以为下一步优化设计机箭分离状态参数及火箭控制规律奠定研究基础。

关键词： 下挂式空射火箭; CFD动网格; 气动耦合; 分离轨迹

本文引用格式

舒杰 , 张登成 , 张艳华 . 下挂式空中发射运载火箭的动网格仿真分析[J]. 弹箭与制导学报, 2017 , 37(4) : 80 -83 . DOI: 10.15892/j.cnki.djzdxb.2017.04.019

Abstract

In order to realize safe separation of carrier and houston of hanging type air launch vehicle and the successful ignition of houston, the analyse of separation trajectory and aerodynamic coupling characteristics are very important. The research described the separation process and built the system's three dimensional model; the calculation analysed 6DOF aerodynamic coupling characteristics of the seperation by using CFD dynamic grid. The simulation results showed that there is no collision in the process of separation, also, the aerodynamic coupling had positive and negative effects on separation. The conclusion can lay foundationgs for optimizing seperation's parameters and designing houstong's control laws.

Key words： hanging type air launch vehicle; CFD dynamic grid; aerodynamic coupling; separation orbit

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