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Journal of Nanoparticle Research

, Volume 12, Issue 3, pp 719–726 | Cite as

An equation of state for the detonation product of copper oxide/aluminum nanothermite composites

  • Yong Gan
  • Zhen Chen
  • K. Gangopadhyay
  • A. Bezmelnitsyn
  • S. Gangopadhyay
Research Paper

Abstract

An equation of state (EOS) for the detonation product of the copper oxide/aluminum (CuO/Al) nanothermite composites is developed based on the Chapman–Jouguet (CJ) theory and the nanothermite detonation experiment. The EOS is implemented into a coupled computational fluid dynamics and computational solid dynamics code through the material point method for the model-based simulations of the detonation response of the CuO/Al nanothermite material placed in a small well. The simulations demonstrate the validity of the formulated EOS to catch the essential feature of the detonation response of the CuO/Al nanothermite. The EOS parameters are determined by comparing simulated and experimentally measured pressure–time histories.

Keywords

Equation of state Nanothermite composites Detonation Material point method 

Notes

Acknowledgments

This study was partially supported by the US Army ARDEC and the US National Science Foundation.

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Copyright information

© Springer Science+Business Media B.V. 2010

Authors and Affiliations

  • Yong Gan
    • 1
  • Zhen Chen
    • 1
  • K. Gangopadhyay
    • 2
  • A. Bezmelnitsyn
    • 3
  • S. Gangopadhyay
    • 3
  1. 1.Department of Civil and Environmental EngineeringUniversity of MissouriColumbiaUSA
  2. 2.Nuclear Science and Engineering InstituteUniversity of MissouriColumbiaUSA
  3. 3.Department of Electrical and Computer EngineeringUniversity of MissouriColumbiaUSA

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