非常规结构武器两相流内弹道的高精度数值模拟

A high-resolution numerical simulation of two-phase flow interior ballistics of the weapon with non traditional structure

1.
School of Mechanical Engineering, Nanjing University of Science and Technology, Nanjing 210094, Jiangsu, China；
2.
Institute of the 208th Research, China ordnance Industry, Beijing 102202, China

摘要: 针对侧装药武器的结构特点，在提出等效物理模型的基础上建立了双一维两相流模型，并对主膛的气、固相方程组分别采用二阶精度TVD算法进行了模拟，结果与12.7 mm口径的发射实验进行了对比分析，模型和算法是可行的。
- 流体力学 /
- 等效物理模型 /
- 数值模拟 /
- 侧装药武器 /
- 内弹道 /
- TVD格式
Abstract: According to the structural characteristic of the weapon with side chamber, an equivalent model is proposed. Based on the model, two one-dimensional interior ballistic models are developed. Then, second-order TVD algorithm is employed for the computational code for both gas-phase and solid-phase equations. Finally, the model and algorithm are proved to be feasible in comparison with the experimental results of the 12.7mm caliber firing experiments.
- fluid mechanics /
- equivalent model /
- numerical simulation /
- weapon with side chamber /
- interior ballistic /
- TVD scheme