微喷颗粒与气体混合过程的数值模拟研究

王裴; 孙海权; 邵建立; 秦承森; 李欣竹

doi:10.7498/aps.61.234703

摘要

冲击波作用下金属与气体界面将发生微喷混合现象,即金属表面产生的微喷射物质在气体中的输运过程. 提出采用散体颗粒分布代替微喷初始状态,基于气体-颗粒两相流模型对微喷混合现象进行了模拟研究. 数值模拟给出了微喷混合的动力学演化过程,分析了初始气体压力和颗粒尺寸因素对混合层的影响规律; 在数值模拟中发现了微喷颗粒的气动破碎现象,这可导致颗粒尺度明显减小, 成为影响微喷混合演化性质的重要物理因素.本文模拟结果与相关实验结果取得一致, 初步表明,气粒两相流模型是模拟微喷混合过程的一种有效方法.

关键词:

微喷射 /
两相流 /
冲击 /
混合

Abstract

Ejecta mixing takes place at the interface between metal and gas under shock loading, i.e., the transport process of ejecta from metal surface appears in the gas. In this paper, adopting disperse particles instead of the initial ejecta, we simulate the ejection mixing process according to two-phase flow of gas and particle. We give the numerical results of the evolution process of the mixing, and analyze the effects of initial gas pressure and particle size on the mixing zone. The pneumatic break is observed from the numerical simulations, which can lead to evident reduction of the particle and then become an important factor affecting the evolution of mixture; also, our simulations are consistent with the corresponding measurements, showing that the gas and particle two-phase flow model is an effective method to simulate the ejection mixing.

Keywords:

ejection /
two phase flow /
shock /
mixing

作者及机构信息

1.
北京应用物理与计算数学研究所计算物理实验室, 北京 100094;

2.
中国工程物理研究院流体物理研究所冲击波物理与爆轰物理实验室, 绵阳 621900

Authors and contacts

1.
Institute of Applied Physics and Computational Mathematics, Beijing 100094, China;

2.
National Key Laboratory of Shock Wave and Detonation Physics, Institute of Fluid Physics, Chinese Academy of Engineering Physics, Mianyang 621900, China

参考文献

[1]	Walsh J M, Shreffler R G, Willig F G 1953 J. Appl. Phys. 24 349
[2]	Asay J R 1976 Material Ejection from Shock-loaded Free Surface of Aluminum and Lead Sandia Laboratories, SAND76-0542
[3]	Asay J R, Mix L P, Perry F C 1976 Appl. Phys. Lett. 29 284
[4]	Han C S 1989 Chin. J. High Press. Phys. 3 234 (in Chinese) [韩长生 1989 高压 3 234]
[5]	Germann T C, Hammerberg J E, Holian B L 2004 AIP Conference Proceedings 706 285
[6]	Chen J, Jing F Q, Zhang J L, Chen D Q 2002 Acta Phys. Sin. 51 2386 (in Chinese) [陈军, 经福谦, 张景琳, 陈栋泉 2002 51 2386]
[7]	Chen Q F, Cao X L, Zhang Y, Cai L C, Chen D Q 2005 Chin. Phys. Lett. 22 3151
[8]	Zellner M B, Grover M, Hammerberg J E, Hixson R S, Iverson A J, Macrum G S, Morley K B, Obst A W, Olson R T, Payton J R, Rigg P A, Routley N, Stevens G D, Turley W D, Veeser L, Buttler W T 2007 J. Appl. Phys. 102 013522
[9]	Zellner M B, Mcneil W V, Hammerberg J E, Hixson R S, Obst A W, Olson R T, Payton J R, Rigg P A, Routley N, Stevens G D, Turley W D, Veeser L, Buttler W T 2008 J. Appl. Phys. 103 123502
[10]	Wang P, Shao J L, Qin C S 2009 Acta Phys. Sin. 58 1064 (in Chinese) [王裴, 邵建立, 秦承森 2009 58 1064]
[11]	Shao J L, Wang P, He A M, Qin C S 2012 Acta Phys. Sin. 61 184701 (in Chinese) [邵建立, 王裴, 何安民, 秦承森 2012 61 184701]
[12]	Elias P, Chapron P, Mondot M 1989 Experimental study of the slowing down of shock-induced matter ejection into argon gas. in Shock Compression of Condensed Matter (Elsevier Science Publishers) p783
[13]	Ogorodnikov V A, Ivanov A G, Mikhailov A L, Kryukov N I, Tolochko A P, Golubev V A 1998 Combustion, Explosion, and Shock Waves 34 696
[14]	Oró D M, Hammerberg J E, Buttler W T, Mariam F G, Morris C, Rousculp C, Stone J B 2012 AIP Conf. Proc. 1426 1351
[15]	Liu D Y 1993 Fluid Dynamics of Two-Phase Systems (Beijing: Higher Education Publisher) p16 (in Chinese) [刘大有 1993 二相流体动力学 (北京:高等教育出版社) 第16页]
[16]	Fang D Y 1988 Two Phase Flow Mechanics (Changsha: Science and Technology of National Defense Publisher) p139 (in Chinese) [方丁酉 1988 两相流动力学 (长沙:国防科技大学出版社) 第139页]
[17]	Liu M 2004 Ph. D. Dissertation (Beijing: Tsinghua University) (in Chinese) [刘敏 2004 博士学位论文 (北京: 清华大学)]

施引文献

[1]	Walsh J M, Shreffler R G, Willig F G 1953 J. Appl. Phys. 24 349
[2]	Asay J R 1976 Material Ejection from Shock-loaded Free Surface of Aluminum and Lead Sandia Laboratories, SAND76-0542
[3]	Asay J R, Mix L P, Perry F C 1976 Appl. Phys. Lett. 29 284
[4]	Han C S 1989 Chin. J. High Press. Phys. 3 234 (in Chinese) [韩长生 1989 高压 3 234]
[5]	Germann T C, Hammerberg J E, Holian B L 2004 AIP Conference Proceedings 706 285
[6]	Chen J, Jing F Q, Zhang J L, Chen D Q 2002 Acta Phys. Sin. 51 2386 (in Chinese) [陈军, 经福谦, 张景琳, 陈栋泉 2002 51 2386]
[7]	Chen Q F, Cao X L, Zhang Y, Cai L C, Chen D Q 2005 Chin. Phys. Lett. 22 3151
[8]	Zellner M B, Grover M, Hammerberg J E, Hixson R S, Iverson A J, Macrum G S, Morley K B, Obst A W, Olson R T, Payton J R, Rigg P A, Routley N, Stevens G D, Turley W D, Veeser L, Buttler W T 2007 J. Appl. Phys. 102 013522
[9]	Zellner M B, Mcneil W V, Hammerberg J E, Hixson R S, Obst A W, Olson R T, Payton J R, Rigg P A, Routley N, Stevens G D, Turley W D, Veeser L, Buttler W T 2008 J. Appl. Phys. 103 123502
[10]	Wang P, Shao J L, Qin C S 2009 Acta Phys. Sin. 58 1064 (in Chinese) [王裴, 邵建立, 秦承森 2009 58 1064]
[11]	Shao J L, Wang P, He A M, Qin C S 2012 Acta Phys. Sin. 61 184701 (in Chinese) [邵建立, 王裴, 何安民, 秦承森 2012 61 184701]
[12]	Elias P, Chapron P, Mondot M 1989 Experimental study of the slowing down of shock-induced matter ejection into argon gas. in Shock Compression of Condensed Matter (Elsevier Science Publishers) p783
[13]	Ogorodnikov V A, Ivanov A G, Mikhailov A L, Kryukov N I, Tolochko A P, Golubev V A 1998 Combustion, Explosion, and Shock Waves 34 696
[14]	Oró D M, Hammerberg J E, Buttler W T, Mariam F G, Morris C, Rousculp C, Stone J B 2012 AIP Conf. Proc. 1426 1351
[15]	Liu D Y 1993 Fluid Dynamics of Two-Phase Systems (Beijing: Higher Education Publisher) p16 (in Chinese) [刘大有 1993 二相流体动力学 (北京:高等教育出版社) 第16页]
[16]	Fang D Y 1988 Two Phase Flow Mechanics (Changsha: Science and Technology of National Defense Publisher) p139 (in Chinese) [方丁酉 1988 两相流动力学 (长沙:国防科技大学出版社) 第139页]
[17]	Liu M 2004 Ph. D. Dissertation (Beijing: Tsinghua University) (in Chinese) [刘敏 2004 博士学位论文 (北京: 清华大学)]

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