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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.
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Keywords:
- ejection /
- two phase flow /
- shock /
- mixing
[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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[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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