针对燃烧轻气炮发射过程内弹道控制问题，采用计算流体动力学方法将氢氧燃烧19步详细反应模型与湍流流动基础模型相结合，充分考虑化学动力学与湍流效应的共同作用。对氢氧燃烧过程进行数值模拟计算，分析不同初始条件对燃烧气炮内弹道特性的影响。研究表明膛内氢氧燃烧为湍流火焰燃烧形态，初始温度和初始压力可以显著影响氢氧燃烧过程，改变内弹道性能；保持燃烧室内气体装填密度不变，燃烧室的容积对能量利用率有较大影响。仿真结果为燃烧轻气炮的进一步研究提供理论基础。
Aiming at the internal ballistic control problem in the firing process of combustion light gas gun, the 19-step detailed chemical reaction mechanisms of burning hydrogen-oxygen were combined with the basic model of turbulent flow, considering the influence of both chemical kinetics and turbulence effect. Then numerical simulation calculations were carried out to analyze the influence of different initial conditions on the interior ballistic characteristics of the combustion light gas gun. The results show that the hydrogen-oxygen combustion in the chamber was in the form of turbulent flame combustion, the initial temperature and pressure can significantly affect the hydrogen-oxygen combustion process and change the interior ballistic performance. The volume of combustion chamber has great influence on energy utilization when the gas filling density in chamber remains unchanged. These simulation results provide a theoretical basis for further research of the combustion light gas gun.
2022,44(10): 180-184 收稿日期：2022-01-20
DOI：10.3404/j.issn.1672-7649.2022.10.039
分类号：TJ302
作者简介：胡斌(1994-)，男，硕士，助理工程师，研究方向为新型发射技术
参考文献：
[1] 于子平, 张相炎. 新概念火炮[M]. 北京: 国防工业出版社, 2012.
[2] 胡静, 张明安, 岳文龙, 等. 内弹道过程中气体工质做功能力计算分析[J]. 火炮发射与控制学报, 2011, (6): 82-85.
[3] TIDMAN D A, MASSEY D W, WITHERSPOON F D, et al. Compact light gas gun firings with high pressure gaseous and solid energetic materials - experiments and analysis[C]// 31st JANNAF Combustion Subcommittee Meeting, Sunnyvale, CA, 17-21 Oct, 1994.
[4] KRUCZYNSKI D, MASSEY D. Combustion light gas gun technology demonstration[R]. ADA462130, 2007.
[5] 邓飞, 张相炎. 燃烧轻气炮氢氧燃烧特性详细反应动力学模拟[J]. 兵工学报, 2014, 35(3): 415–420
DENG F, ZHANG X Y. Simulation of hydrogen-oxygen combustion of combustion light gas gun using detailed chemical kinetics model[J]. Acta Armamentarii, 2014, 35(3): 415–420
[6] 黄滔, 张相炎, 刘宁. 燃烧轻气炮点火对内弹道性能影响的仿真分析[J]. 兵工自动化, 2014, 33(12): 25–28
HUANG T, ZHANG X Y, LING N. Simulation analysis on influence of ignition on internal ballistics of combustion light gas gun[J]. Ordnance Industry Automation, 2014, 33(12): 25–28
[7] ZHOU Fei, LIU Ning, ZHANG Xiangyan, et al. 1D study of the detonation phenomenon and its influence on the interior ballistics of the combustion light gas gun[J]. Defence Technology, 2020, 16(2): 341–347
[8] 孙从煌, 曲艳东, 刘万里, 等. 点火条件对密闭管道内预混氢气/空气燃爆特性的影响[J]. 爆炸与冲击, 2018, 38(3): 622–631
SUN C H, QU Y D, LIU W L, et al. Influence of different ignition conditions on deflagration characteristics of a premixed mixture of H2 and air in a closed pipe[J]. Explosion and shock waves, 2018, 38(3): 622–631
[9] MUELLER M A, KIM T J, YETTER R A, et al. Flow reactor studies and kinetic modeling of the H2/O2 reaction[J]. International Journal of Chemical Kinetics, 1999, 31(2): 113–125
[10] 刘玉坪, 肖民, 黄志伟, 等. 基于化学反应动力学的双燃料发动机数值模拟[J]. 舰船科学技术, 2021, 43(6): 122–129.
LIU Y P, XIAO M, HUANG Z W, et al. Numerical simulation of dual fuel engine based on chemical reaction mechanism, 2021, 43(6): 122–129.
