某制导炮弹二维两相流内弹道性能分析与数值模拟研究

doi:10.3969/j.issn.1000-1093.2015.01.009

兵工学报 ›› 2015, Vol. 36 ›› Issue (1): 58-63.doi: 10.3969/j.issn.1000-1093.2015.01.009

某制导炮弹二维两相流内弹道性能分析与数值模拟研究

程诚，张小兵

(南京理工大学能源与动力工程学院, 江苏南京 210094)

收稿日期:2013-11-15 修回日期:2013-11-15 上线日期:2015-03-14
通讯作者: 程诚 E-mail:chengcheng@njust.edu.cn
作者简介:程诚（1986—），男，讲师
基金资助:
江苏省自然科学基金项目（BK20131348）；瞬态物理国家重点实验室基金项目（9140C300206120C30110）

Two-dimensional Numerical Simulation on Two-phase Flow Interior Ballistic Performance of a Guided Projectile

CHENG Cheng， ZHANG Xiao-bing

(School of Energy and Power Engineering, Nanjing University of Science and Technology, Nanjing 210094, Jiangsu, China)

Received:2013-11-15 Revised:2013-11-15 Online:2015-03-14
Contact: CHENG Cheng E-mail:chengcheng@njust.edu.cn

摘要/Abstract

摘要： 为了研究某制导炮弹二维两相流内弹道性能，简化两相流多维数值模拟中弹底运动边界处理的复杂性，提高运动边界处的计算精度，建立了基于任意拉格朗日欧拉方法的某制导炮弹内弹道二维气-固两相流模型，空间上采用具有TVD特性的高阶MUSCL类型的有限体积法对方程进行离散，时间方向采用4阶Runge-Kutta方法进行时间推进。通过拥有解析解的数值验证算例，验证了数值格式以及动网格生成方法的准确性。对某大口径制导炮弹内弹道膛内循环过程进行二维两相流数值仿真。模拟结果准确地反映了整个内弹道循环膛内两相流动特性及其发展过程，并与实验结果有较好的一致性。同时分析了不同点火因素对该制导炮弹内弹道性能的影响，为后续深入优化该制导炮弹内弹道性能及发射安全性提供了理论基础。

关键词: 兵器科学与技术, 内弹道, 两相流, 数值模拟, 制导炮弹

Abstract: To simplify the complexity of moving boundary treatment in the two-phase flow numerical simulation and improve the computational accuracy of moving boundary treatment, a two-dimensional two-phase flow model based on ALE method is established. The governing equations are discretized with the TVD-type MUSCL scheme to obtain a second order accuracy in finite volume form. A two-step and fourth-order Runge-Kutta method is used to solve the source terms．The dynamic mesh update method and numerical method are verified by a standard test with the exact solution. The numerical application on a large caliber guided projectile shows the complete development and the two-phase flow characteristics of the interior ballistic process. The calculated results are in good agreement with the experimental results. The effects of different ignition conditions on interior ballistic performance are investigated. The study lays a theoretical foundation for deep optimization of the interior ballistic performance and firing safety.

Key words: ordnance science and technology, interior ballistics, two-phase flow, numerical simulation, guided projectile

中图分类号:

TJ012.1

程诚，张小兵. 某制导炮弹二维两相流内弹道性能分析与数值模拟研究[J]. 兵工学报, 2015, 36(1): 58-63.

CHENG Cheng， ZHANG Xiao-bing. Two-dimensional Numerical Simulation on Two-phase Flow Interior Ballistic Performance of a Guided Projectile[J]. Acta Armamentarii, 2015, 36(1): 58-63.

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某制导炮弹二维两相流内弹道性能分析与数值模拟研究

Two-dimensional Numerical Simulation on Two-phase Flow Interior Ballistic Performance of a Guided Projectile

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