拐角空间中悬浮铝粉尘爆轰后效的三维数值模拟

doi:10.19596/j.cnki.1001-246x.8004

计算物理 ›› 2020, Vol. 37 ›› Issue (1): 37-45.DOI: 10.19596/j.cnki.1001-246x.8004

拐角空间中悬浮铝粉尘爆轰后效的三维数值模拟

岳军政, 董贺飞, 洪滔

北京应用物理与计算数学研究所, 北京 100094

收稿日期:2018-11-14 修回日期:2019-01-10 出版日期:2020-01-25 发布日期:2020-01-25
通讯作者: 洪滔,E-mail:hongtao@iapcm.ac.cn
作者简介:岳军政(1988-),助理研究员,主要从事爆轰理论研究,E-mail:yuejunzhengbit@126.com
基金资助:
科工局重点研究项目B（1520132012）资助

Three-dimensional Numerical Simulation of Detonation Aftereffect of Suspended Aluminum Dusts in Corner Space

YUE Junzheng, DONG Hefei, HONG Tao

Beijing Institute of Applied Physics and Computational Mathematics, Beijing 100094, China

Received:2018-11-14 Revised:2019-01-10 Online:2020-01-25 Published:2020-01-25

摘要/Abstract

摘要： 建立三维的铝粉-空气两相爆轰计算模型，采用时-空守恒元解元（CE/SE）方法求解，并开发了悬浮铝粉尘爆轰的三维数值模拟程序.基于消息传递接口（MPI）技术实现了程序的并行化设计.通过对激波管问题以及爆轰管中铝粉-空气两相爆轰实验的模拟验证程序的可靠性.对拐角空间中左侧浓度为368 g·m^-3的铝粉-空气混合物两相爆轰及其在拐角空间右侧和下方空气域内形成的冲击波和温压效应开展数值模拟，获得复杂空间内爆轰波或冲击波的传播、反射以及绕射过程.结果表明：两相爆轰在离铝粉尘区域2 m远的空气域内产生的后效冲击波能达到2.66 MPa的固壁反射压力，火球燃烧范围会超出初始铝粉尘区域约0.8 m，并且造成初始铝粉尘区域附近1.5 m范围内空气的温度高达1 600 K.模拟程序可用于铝粉尘爆轰的后效研究，对工业安全及其防护具有指导意义.

关键词: 铝粉尘, 两相爆轰, 三维程序开发, 爆轰后效

Abstract: A three-dimensional two-phase detonation model for aluminum dusts/air mixtures is built. A 3D numerical simulation program for detonation of suspended Al dusts is developed with space-time conservation element and solution element (CE/SE) method. Moreover, program parallelization is realized based on message passing interface (MPI) technique. Reliability of the program is demonstrated with simulation of shock tube problem and two-phase detonation experiment of Al particles/air mixtures in a detonation tube. Two-phase detonation of 368 g·m^-3 Al particles/air mixtures in left space of a corner and its aftereffect on air in the right and lower space of the corner are investigated. Propagation, reflection and diffraction of detonation wave or shock wave in complex space are obtained. It shows that air shock wave generated by two-phase detonation can reach a reflection pressure of 2.66 MPa at the solid wall 2 m far away from the Al dusts region. Fireball range exceeds initial Al dusts region by about 0.8 m. Air temperature within a range of 1.5 m near the initial Al dusts region is more than 1 600 K. The program can be used for aftereffect study of Al dusts detonation. It provides guidance for industrial safety and protection.

Key words: aluminum dusts, two-phase detonation, three-dimensional program development, detonation aftereffect

中图分类号:

O381

岳军政, 董贺飞, 洪滔. 拐角空间中悬浮铝粉尘爆轰后效的三维数值模拟[J]. 计算物理, 2020, 37(1): 37-45.

YUE Junzheng, DONG Hefei, HONG Tao. Three-dimensional Numerical Simulation of Detonation Aftereffect of Suspended Aluminum Dusts in Corner Space[J]. CHINESE JOURNAL OF COMPUTATIONAL PHYSICS, 2020, 37(1): 37-45.

参考文献

[1] LIU X L, LI H Z, GUO J G, et al. An experimental investigation of deflagration to detonation transition (DDT) in aluminum dust-air mixture[J]. Explosion and Shock Waves, 1995, 15(3):217-228.
[2] CHEN Z H, FAN B C, LI H Z. Investigations on combustion and explosion process of suspended aluminum particles in a large combustion tube[J]. Chinese Journal of High Pressure Physics, 2006, 20(2):157-162.
[3] ZHANG G W. Effect theory of explosion[M]. Beijing:National Defense Industry Press, 2006.
[4] LEE D, SICHEL M. The Chapman-Jouguet condition and structure of detonation in dust-oxidizer mixtures[C]//AIAA Progress in Astronautics and Aeronautics, New York, 1986:505-521.
[5] FEDOROV A V, KHMEL T A, FOMIN V M. Non-equilibrium model of steady detonations in aluminum particles-oxygen suspensions[J]. Shock Waves, 1999, 9(5):313-318.
[6] TENG H, YANG Y, JIANG Z. Realistic heat capacity effects in two phase aluminum dust detonations[J]. Chinese Journal of Computational Physics, 2013, 30(1):44-52.
[7] KHASAINOV B A, VIROT F, VEYSSIERE B. Three-dimensional cellular structure of detonations in suspensions of aluminum particles[J]. Shock Waves, 2013, 23:271-282.
[8] LIU X L, LI H Z, GUO J G, et al. An experimental investigation of deflagration to detonation transition (DDT) in aluminum dust-air mixture[J]. Chinese Journal of Explosion and Shock Waves, 1995, 15(3):217-227.
[9] KOSINSKI P, HOFFMANN A C. Dust explosions in connected vessels:Mathematical modeling[J]. Powder Technology, 2005, 155:108-116.
[10] ZAN W T, HONG T, DONG H F. Numerical simulation of detonation wave propagation of suspending aluminum dust in a space connected by channel[J]. Chinese Journal of Energetic Materials, 2017, 25(6):508-514.
[11] CHANG S C. The method of space-time conservation element and solution element- A new approach for solving the Navier-Stokes and Euler equations[J]. Journal of Computational Physics, 1995, 119(2):295-324.
[12] ZHANG D L, WANG J T, WANG G. High-order CE/SE method and applications[J]. Chinese Journal of Computational Physics, 2009, 26(2):211-220.
[13] DONG H F, HONG T, ZHANG X L. Numerical simulation of explosive dust detonation with CE/SE method[J]. Chinese Journal of Computational Physics, 2012, 29(4):495-502.
[14] WEI W, WENG C S. Two-dimension two-phase-flow numerical simulation of aluminum-dust detonation based on CE/SE method[J]. Chinese Journal of Ballistic, 2012, 24(4):99-102.
[15] FANG D Y. Two-phase fluid mechanics[M]. Changsha:National University of Defense Technology Press, 1988:117-129.
[16] HONG T, QIN C S. Numerical simulation of detonation in suspended mixed RDX and aluminum dust[J]. Explosion and Shock Waves, 2009, 29(5):468-473.
[17] HONG T, QIN C S. Mechanism of shock wave ignition of aluminum particle[J]. Explosion and Shock Waves, 2003, 23(4):295-299.
[18] PRICE E W. Combustion of metalized propellants[C]//Progress in Astronautics and Aeronautics:Fundamentals of Solid-Propellant Combustion, New York, 1984, 90:479-513.
[19] STEINBERG T A, WILSON D B, BENZ F. The combustion phase of burning particle[J]. Combustion and Flame, 1992, 91:200-208.
[20] TORO E F. Riemann solvers and numerical methods for fluid dynamics[M]. Dordrecht, Heidelberg, London, New York:Springer, 2009.
[21] LI S Z. Study on deflagration to detonation transition process of gas/solid/liquid multiphase fuel mixtures[D]. Beijing:Beijing Institute of Technology, 2017.
[22] VEYSSIERE B, KHASAINOV B A, BRIAND A. Investigation of detonation initiation in aluminium suspensions[J]. Shock Waves, 2008, 18(4):307-315.
[23] LIU L J, ZHANG Q, SHEN S L, et al. Evaluation of detonation characteristics of aluminum/JP-10/air mixtures at stoichiometric concentrations[J]. Fuel, 2016, 169:41-49.

拐角空间中悬浮铝粉尘爆轰后效的三维数值模拟

Three-dimensional Numerical Simulation of Detonation Aftereffect of Suspended Aluminum Dusts in Corner Space

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