考虑管状药束轴向运动的大口径平衡炮二维内弹道模型的建立与仿真

doi:10.3969/j.issn.1000-1093.2016.10.022

兵工学报 ›› 2016, Vol. 37 ›› Issue (10): 1941-1948.doi: 10.3969/j.issn.1000-1093.2016.10.022

考虑管状药束轴向运动的大口径平衡炮二维内弹道模型的建立与仿真

蒋淑园，王浩，林长津，王金龙

（南京理工大学能源与动力工程学院，江苏南京 210094）

收稿日期:2015-11-04 修回日期:2015-11-04 上线日期:2016-12-08
通讯作者: 蒋淑园 E-mail:jiangshuyuan910@126.com
作者简介:蒋淑园(1988—)，女，博士研究生

Establishment and Simulation of Two-dimensional Interior Ballistics Model of Large Caliber Davis Gun Considering the Axial Movement of Tubular Charge Clusters

JIANG Shu-yuan, WANG Hao, LIN Chang-jin, WANG Jin-long

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

Received:2015-11-04 Revised:2015-11-04 Online:2016-12-08
Contact: JIANG Shu-yuan E-mail:jiangshuyuan910@126.com

摘要/Abstract

摘要： 传统的两相流内弹道模型将火药颗粒作拟流体假设，对于采用长管状药装药的大口径高速平衡炮来说误差较大。为解决这一问题，针对管状药模块化装填的某480 mm口径高速平衡炮提出在欧拉坐标系中考察火药气体的流动情况，在拉格朗日坐标系中追踪管状药束的运动规律；同时针对药束径向运动方程难以建立的问题，提出药束沿径向线性排布药束的思想，建立了考察管状药束沿轴向的运动规律并能够描述火药气体沿轴向和径向的流动情况的内弹道模型，编制程序进行了数值模拟。通过计算结果与试验结果的对比分析，证明了建立的模型有效，得到了火药气体在轴向和径向的压力分布以及药束模块的运动轨迹，为平衡炮内弹道性能的深入研究提供了新的思路。

关键词: 兵器科学与技术, 平衡炮, 内弹道, 两相流, 数值模拟

Abstract: Considering that the length of the tubular charge for the large caliber high speed Davis gun is long, the traditional pseudo-fluid hypothesis in two-phase flow model may cause errors. In order to solve this problem, Eulerian coordinate system is used to settle the gas field, and the Lagrangian coordinate system is used to settle the solid field. It is assumed that the tubular charge clusters are linearly configured along radial direction, these clusters move along axial direction，and gas moves along radial and axial directions. Based on this assumption, a two-dimensional interior ballistics model is established for a 480 mm Davis gun with tubular modular charge. Then through the comparison of the simulated and experimental results, the proposed model is verified to be effective. The distribution of gas pressure along two directions and the movement rules of tubular charge clusters along axial direction were obtained by further analysis of the simulated results.

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

中图分类号:

TJ012.1.1⁺1

蒋淑园，王浩，林长津，王金龙. 考虑管状药束轴向运动的大口径平衡炮二维内弹道模型的建立与仿真[J]. 兵工学报, 2016, 37(10): 1941-1948.

JIANG Shu-yuan, WANG Hao, LIN Chang-jin, WANG Jin-long. Establishment and Simulation of Two-dimensional Interior Ballistics Model of Large Caliber Davis Gun Considering the Axial Movement of Tubular Charge Clusters[J]. Acta Armamentarii, 2016, 37(10): 1941-1948.

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考虑管状药束轴向运动的大口径平衡炮二维内弹道模型的建立与仿真

Establishment and Simulation of Two-dimensional Interior Ballistics Model of Large Caliber Davis Gun Considering the Axial Movement of Tubular Charge Clusters

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