某多级杆式空气发射系统内弹道仿真与试验研究  

Simulation and Experimental Study on the Interior Ballistics of Multistage Pistion Cylinder Air Launching Equipment

作　　者：郭锦炎[1] 竺伊文 王华吉[1] 宋顺利 王子扬 GUO Jinyan;ZHU Yiwen;WANG Huaji;SONG Shunli;WANG Ziyang(Beijing Institute of Space Launch Technology,Beijing 100076,China)

机构地区：[1]北京航天发射技术研究所,北京100076

出　　处：《弹道学报》2022年第1期72-76,共5页Journal of Ballistics

摘　　要：为了满足某多级杆式空气发射系统的研制需要,建立了多空气瓶动力源时序开阀供气的多级杆发射系统的内弹道仿真模型,设计了模型正确性验证试验方案,开展了该系统的内弹道仿真与试验研究。描述了多级杆式空气发射系统的设计原理,根据该发射系统的工作原理,借鉴经典枪炮零维内弹道模型,建立了该空气发射系统弹射过程的内弹道模型,进行了通用工况的仿真模型研究。设计了多级杆式空气发射系统内弹道模型正确性校验试验方案,开展了3000 kg配重的弹射试验,测量了弹射过程中的内弹道压力参数,结合试验开展情况讨论了该发射系统的内弹道特点,提出了空气发射系统中管路及阀门应注意的事项。将仿真计算的结果与试验测试数据进行对比分析,结果表明计算结果与试验结果吻合较好,满足多级杆式空气发射系统的研制需要。所建立的内弹道模型可指导特定发射需求气瓶初始压力及开阀控制时序的参数制定,对某多级杆式空气发射系统的研制具有参考意义。In order to satisfy the development needs of multistage piston cylinder launching equipment(MPCLE),multiple air-bottle power producer,time-sequence of multiple solenoid valve,the interior ballistics model of MPCLE was established,and the testing program used for the model verification was designed.The simulation and experiment study on the interior ballistics was carried out.A structure design scheme of MPCLE was described.Referencing the classical zero-dimension interior ballistics model for guns,an interior ballistics model was established according to the working principle of the launching equipment.The launching testing program for the 3000 kg bob-weight was designed.In order to verify the correctness of the interior ballistics model,the launching equipment of MPCLE and the parameters of the interior ballistics were measured in the experiment.The peculiarity of the interior ballistics was discussed,and matters needing attention of the pipeline system and the valve were provided.The calculated curve was compared with the measured curve.The result shows that the calculated result agrees closely with the experimental result,and the interior ballistics model can satisfy the development needs of MPCLE.The interior ballistics model can be used to determine the air-bottle initial pressure and the time sequence of multiple solenoid valve for the specific launching assignment,and the model can be used to the development of MPCLE.

关 键 词：内弹道 空气发射 多级杆 

分 类 号：TJ303.4[兵器科学与技术—火炮、自动武器与弹药工程]