基于电探针与光透射率探测技术测量冲击加载下硝基甲烷的辐射率历史

郝迎新 孙燕云

1 西南交通大学，四川成都，610031；

2 西南交通大学物理科学与技术学院高温高压物理研究所，四川成都，610031；

摘要：深入讨论了冲击加载下基于电探针和光透射率改变的实时探测技术。同时设计一种新型的6点式电探针，具有响应时间快，实验精度高等优点。并以硝基甲烷作为样品，研究其在8.4GPa的冲击载荷下的物理化学变化行为，为研究均质含能材料的冲击点火机理提供了参考。

关键词：硝基甲烷；点火起爆；电探针

参考文献

[1]经福谦.实验物态方程导引[M]. 北京:科学出版社, 1996.

[2]廖文强.基于光学透明性及光辐射法的98wt%双氧水的冲击起爆机理研究[D].西南交通大学,2022.10.27

[3]S F Trevino, E Prince, C R Hubbard. Refinement of the structure of solid nitromethane[J]. Chem Phys, 1980, 73, 2996–3000.

[4]Citroni, Margherita, Bini, et al. Nitromethane Decomposition under High Static Pressure[J].  Journal of Physical Chemistry B, 2010, 114,(29):9420-9428.

[5]Han, Si-ping,van Duin, Adri C,et al.Thermal Decomposition of Condensed-Phase Nitromethane from Molecular Dynamics from ReaxFF Reactive Dynamics[J].Journal of Physical Chemistry B,2011,115,(20):6534-6540.

[6]Sheffield, S. A., et al. Particle velocity measurements of the reaction zone in nitromethane. No. LA-UR-02-4331. Los Alamos National Laboratory (LANL), Los Alamos, NM (United States), 2002.

[7]Leal-Crouzet, B,Baudin, G,Presles,et al. initiation of detonation in nitromethane[J].Combustion and Flame,2000,122,(4):463-473.

[8]Bouyer V, Darbord I, Hervé P, et al. Shock-to-detonation transition of nitromethane: Time-resolved emission spectroscopy measurements[J]. Combustion and Flame, 2006, 144(1-2): 139-150.

[9]Bhowmick M, Nissen E J, Dlott D D. Detonation on a tabletop: Nitromethane with high time and space resolution[J]. Journal of Applied Physics, 2018, 124(7).

[10]Nissen E J, Bhowmick M, Dlott D D. Imaging the reactive flow structure in shocked nitromethane and nitromethane with additives[C]//AIP Conference Proceedings. AIP Publishing, 2020, 2272(1).

[11]Nissen E J, Bhowmick M, Dlott D D. Shock-induced kinetics and cellular structures of liquid nitromethane detonation[J]. Combustion and Flame, 2021, 225: 5-12.

[12]Nissen E J, Bhowmick M, Dlott D D. Ethylenediamine catalyzes nitromethane shock-to-detonation in two distinct ways[J]. The Journal of Physical Chemistry B, 2021, 125(29): 8185-8192.