Modeling of non-ideal aluminized explosives

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We have implemented a Wood-Kirkwood kinetic detonation model based on multi-species equations of state and multiple reaction rate laws. Finite rate laws are used for the slowest chemical reactions, while other reactions are given infinite rates and are kept in constant thermodynamic equilibrium. Within the context of WK theory, we study the chemical interaction between Al and HMX detonation products in non-ideal explosives. We develop a kinetic rate law for the combustion of Al in a condensed detonation that depends on the pressure and the detonation product gases. We use a Murnaghan form for the equation of state of the ... continued below

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550 Kilobytes pages

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Fried, L E; Howard, W M & Souers, P C June 1, 1999.

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We have implemented a Wood-Kirkwood kinetic detonation model based on multi-species equations of state and multiple reaction rate laws. Finite rate laws are used for the slowest chemical reactions, while other reactions are given infinite rates and are kept in constant thermodynamic equilibrium. Within the context of WK theory, we study the chemical interaction between Al and HMX detonation products in non-ideal explosives. We develop a kinetic rate law for the combustion of Al in a condensed detonation that depends on the pressure and the detonation product gases. We use a Murnaghan form for the equation of state of the solid and liquid Al and Al{sub 2}O{sub 3}. We find that we can replicate experimental detonation velocities for HMX/Al composites to within a few percent for a wide range of aluminum content. We discuss the uncertainties in our model and the implications of our results on the modeling of other non-ideal explosives.

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550 Kilobytes pages

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  • 11th American Physical Society Topical Group on Shock Compression of Condensed Matter, Snowbird, UT (US), 06/27/1999--07/02/1999

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  • Report No.: UCRL-JC-132717
  • Report No.: DP0101031
  • Grant Number: W-7405-ENG-48
  • Office of Scientific & Technical Information Report Number: 11326
  • Archival Resource Key: ark:/67531/metadc625308

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Reports, articles and other documents harvested from the Office of Scientific and Technical Information.

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  • June 1, 1999

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  • June 16, 2015, 7:43 a.m.

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  • May 6, 2016, 1:40 p.m.

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Fried, L E; Howard, W M & Souers, P C. Modeling of non-ideal aluminized explosives, article, June 1, 1999; California. (digital.library.unt.edu/ark:/67531/metadc625308/: accessed December 16, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.