TY - JOUR
T1 - 典型单组元液体推进剂爆炸特性及爆炸冲击波传播规律
AU - Cui, Ning
AU - Du, Zhong
AU - Liu, Ying
AU - Li, Wenhai
AU - Xu, Sen
AU - Liu, Yan
AU - Li, Cong
N1 - Publisher Copyright:
© 2020, Editorial Board of Acta Armamentarii. All right reserved.
PY - 2020/6
Y1 - 2020/6
N2 - The explosion effects of DT-3 and anhydrous hydrazine are studied experimentally and analyzed theoretically for the explosion hazards of two typical liquid monopropellants used in liquid rocket engines. Based on shock sensitivities of DT-3 and anhydrous hydrazine propellant 3, a detonation mode was designed, and the shock wave pressures at different distances from detonation center were measured. Peak pressures and attenuation laws of 5 L and 10 L propellant samples at different locations were obtained respectively. Based on experimental data and characteristics of liquid monopropellant, the propagation laws and TNT equivalents of explosive shock waves of two propellant samples were studied. The results show that the explosive shock waves of two kinds of propellants present prominently double-peak values during the propagation process under the condition of secondary spraying explosion, and their TNT equivalents decrease monotonously with the increase in distance. The propagation laws of explosion shock waves of these two classic liquid monopropellants are inconsistent with the explosion similarity law within the vicinity of the detonation center. To calculate the TNT equivalents more precisely, the conception of equivalent mass is recommended to amend the method.
AB - The explosion effects of DT-3 and anhydrous hydrazine are studied experimentally and analyzed theoretically for the explosion hazards of two typical liquid monopropellants used in liquid rocket engines. Based on shock sensitivities of DT-3 and anhydrous hydrazine propellant 3, a detonation mode was designed, and the shock wave pressures at different distances from detonation center were measured. Peak pressures and attenuation laws of 5 L and 10 L propellant samples at different locations were obtained respectively. Based on experimental data and characteristics of liquid monopropellant, the propagation laws and TNT equivalents of explosive shock waves of two propellant samples were studied. The results show that the explosive shock waves of two kinds of propellants present prominently double-peak values during the propagation process under the condition of secondary spraying explosion, and their TNT equivalents decrease monotonously with the increase in distance. The propagation laws of explosion shock waves of these two classic liquid monopropellants are inconsistent with the explosion similarity law within the vicinity of the detonation center. To calculate the TNT equivalents more precisely, the conception of equivalent mass is recommended to amend the method.
KW - Explosion characteristic
KW - Explosive shock wave
KW - Liquid monopropellant
KW - Propagation law
KW - Shock wave TNT equivalent
UR - http://www.scopus.com/inward/record.url?scp=85102455790&partnerID=8YFLogxK
U2 - 10.3969/j.issn.1000-1093.2020.S2.003
DO - 10.3969/j.issn.1000-1093.2020.S2.003
M3 - 文章
AN - SCOPUS:85102455790
SN - 1000-1093
VL - 41
SP - 26
EP - 34
JO - Binggong Xuebao/Acta Armamentarii
JF - Binggong Xuebao/Acta Armamentarii
ER -