A Comparative Study of High Explosive Power by a Simple Thermochemistry Calculation and Experimental Values
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Abstract
This research aims to study the power of 18 types of high explosives in military and civilian uses. The comparison result showed that the values of explosive power calculated by the simple thermochemical principle and the ones determined from the experimental method by Trauzl Lead Block Test were close. In addition, the study of relationship between the oxygen balance and the values of explosive power, either from simple thermochemical calculation or from experimental method by Trauzl Lead Block Test, revealed that the explosives with near-zero oxygen balance have much higher power than the ones with positive or negative oxygen balance. This result can be a good explanation for the design of Ammonium Nitrate Fuel Oil (ANFO) mixed explosives, which often have a mixture ratio of 94% ammonium nitrate to 6% fuel oil.
KEYWORDS : Thermochemistry of Explosive, Oxygen Balance, Power of Explosive
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References
A. Bailey and S. G. Murray, “Explosives, Propellants and Pyrotechnics”, Brassey’s (UK) Ltd, pp. 55-57, 1989.
J. Akhavan, “The Chemistry of Explosives”, 3rd ed. The Royal Society of Chemistry, pp. 74-102, 2004.
J.P. Agrawal, “High Energy Materials”, John Wiley & Sons, pp. 17-33, 2010.
Department of the Army Technical Manual, “TM9-1300-214 Military Explosives”, Washington D.C.: US Army, pp.3-1-3-4, 1984.
W.C. Lothrop, and G.R. Handrick, “The relationship between performance and constitution of pure organic explosive compounds”, Chemical Reviews, vol. 44, no. 3, pp. 419-445, doi: 10.1021/cr60139a001, 1949.
M.H. Keshavarz, M. Ghorbanifaraz, H. Rahimi, and M. Rahmani, “Simple pathway to predict the power of high energy materials”, Propellants, Explosives, Pyrotechnics, vol. 36, no. 5, pp. 424-429, doi: 10.1002/prep.201000083, 2011.
R. Meyer, J. Kohler, and A. Homburg, “Explosives”, 6th ed. John Wiley & Sons, 2007.
A.R. Martin, and H. J. Yallop, “The correlation of explosive power with molecular structure”, Journal of Applied Chemistry, vol. 9, no. 6, pp. 310-315, doi: 10.1002/jctb.5010090604, 2007.
M.H. Keshavarz, and F. Seif, “Improved approach to predict the power of energetic Materials”, Propellants, Explosives, Pyrotechnics, vol. 38, no. 5, pp. 709-714, doi: 10.1002/prep.201200165, 2013.
W. P. Lai, P. Lian, Y. Z. Liu, T. Yu, W. L. Zhu, Z. X. Ge, and J. Lv, “Design and theoretical study of 15 novel high energy density compounds”, Journal of Molecular Modeling, vol. 20, no. 11, doi: 10.1007/s00894-014-2479-y, 2014.
P. Lian, C. Kang, Y. X. Zhang, S. Chen, and W. P. Lai, “Theoretical study on new high energetic density compounds with high power and specific impulse”, FirePhysChem, vol. 1, no. 2, pp.103-108, doi: 10.1016/j. fpc.2021.04.006, 2021.
