TNT装药渗出过程的数值模拟

doi:10.3969/j.issn.1000-1093.2014.04.017

兵工学报 ›› 2014, Vol. 35 ›› Issue (4): 547-551.doi: 10.3969/j.issn.1000-1093.2014.04.017

TNT装药渗出过程的数值模拟

孟祥尧¹，邱志明^1,2，张鹏₂，韩守鹏²，宋保维¹

(1.西北工业大学航海学院，陕西西安 710072； 2.海军装备研究院，北京 100073)

收稿日期:2013-05-30 修回日期:2013-05-30 上线日期:2014-05-26
作者简介:孟祥尧（1987—），男，博士研究生

Numerical Simulation of Leakage Process of TNT Charges

MENG Xiang-yao¹， QIU Zhi-ming^1,2， ZHANG Peng₂, HAN Shou-peng²， SONG Bao-wei¹

(1.School of Marine Science and Technology，Northwestern Polytechnical University，Xi’an 710072，Shaanxi，China；2.Naval Academy of Armament，Beijing 100073，China)

Received:2013-05-30 Revised:2013-05-30 Online:2014-05-26

摘要/Abstract

摘要： 根据溶解—扩散—解吸的基本微观过程，基于Fick定律和双膜理论建立了TNT装药渗出的数学模型。利用该模型对一维情况下水下及空气中爆炸物装药主要成分TNT通过橡胶材料的渗出过程进行了数值仿真，得到了材料内不同时刻的炸药浓度分布以及稳定后炸药渗出的扩散通量，仿真结果与文献［8］中的实验数据吻合，验证了该模型的合理性。对炸药的包覆材料厚度及外围介质等影响渗出的主要因素进行了仿真分析，结果表明TNT炸药在水中比在空气中更容易渗出。

关键词: 兵器科学与技术, 爆炸物, 渗出过程, Fick定律, 扩散通量

Abstract: A mathematical model for leakage of TNT charges is built based on Fick's law and the two-film theory in accordance with the basic process of dissolution-diffusion-desorption. This model is used to simulate numerically the leakage processes of TNT through rubber material both under water and in the air in the case of one-dimension, and the concentration distributions of explosive charges in the material at different times and the stable diffusion flux are obtained. The simulation results are consistent with the experimental data in the literature. The rationality of the model is verified. The main factors affecting the leakage process, such as coating material thickness and external medium, are analyzed. The results show that the leakage of TNT under water is easier than in the air.

Key words: ordnance science and technology, explosive, leakage process, Fick’s law, diffusion flux

中图分类号:

O552.2

孟祥尧，邱志明，张鹏₂，韩守鹏，宋保维. TNT装药渗出过程的数值模拟[J]. 兵工学报, 2014, 35(4): 547-551.

MENG Xiang-yao， QIU Zhi-ming， ZHANG Peng₂, HAN Shou-peng， SONG Bao-wei. Numerical Simulation of Leakage Process of TNT Charges[J]. Acta Armamentarii, 2014, 35(4): 547-551.

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TNT装药渗出过程的数值模拟

Numerical Simulation of Leakage Process of TNT Charges

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