在加速场下含铝复合推进剂燃烧中粒子动力学研究

推进技术 ›› 1998, Vol. 19 ›› Issue (3): 82-85.

在加速场下含铝复合推进剂燃烧中粒子动力学研究

张如洲,李葆江,方继明,李疏芬

北京理工大学机电控制工程系;北京理工大学机电控制工程系;北京理工大学机电控制工程系;北京理工大学机电控制工程系

发布日期:2021-08-15
基金资助:
国家自然科学基金

STUDY OF PARTICLE DYNAMIC OF ALUMINIZEDCOMPOSITE PROPELLANT COMBUSTIONUNDER ACCELERATION FIELD

Deptof Electron Mechanical Control Eng,Beijing Instof Technology,Beijing,100081;Deptof Electron Mechanical Control Eng,Beijing Instof Technology,Beijing,100081;Deptof Electron Mechanical Control Eng,Beijing Instof Technology,Beijing,100081;Deptof Electron Mechanical Control Eng,Beijing Instof Technology,Beijing,100081

Published:2021-08-15

摘要/Abstract

摘要： 从两个方面研究了在加速度场下含铝复合推进剂燃烧中粒子动力学：在理论分析中，以牛顿运动定律为基础，运用粘流Ｎ－Ｓ方程导出燃烧产物中凝聚铝粒子运动方程，计算出加速度与粒子临界尺寸的关系曲线；在试验研究中，用研制的燃烧实验装置和动态粒子采集器，在不同加速度条件下获取燃烧产物中的铝粒子。研究结果表明，理论分析计算和试验研究结果基本吻合，从而验证了加速度效应的基本原理。

关键词: 加速场;粒子理论;含铝推进剂;燃烧化学动力学;燃烧产物

Abstract: The theoretical analysis of particle dynamic of aluminized composite propellant combustion under acceleration field include analysis of particle movement and force acting on agglomerated aluminum particle of combustion productBased on Newton’s laws,kinematic equation of a moving particle is presented by Navier Stokes equationThe critical diameter of aluminum particle is calculated at each accelerationOn the other hand,by use of the combustion test apparatus and particle collection unit the aluminum particle and agglomerate size distribution of combustion product are obtainedThe results show that the calculation data are in accordance with the experimental ones and the theory of acceleration effect is demonstrated

Key words: Accelerating field;Particle theory;Aluminized propellant;Combustion chemical kinetics;Combustion product

张如洲,李葆江,方继明,李疏芬. 在加速场下含铝复合推进剂燃烧中粒子动力学研究[J]. 推进技术, 1998, 19(3): 82-85.