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Initiation of stabilized detonations by projectiles

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Shock Waves

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Abstract

A high-speed projectile in combustible gas can initiate and stabilize a detonation wave under suitable conditions [1]. In this paper, numerical simulations of projectile induced detonation waves are presented. Using a one-step irreversible reaction model, the transition from shock-induced combustion to stabilized oblique detonation is observed via numerical simulations. An analysis of this transition by means of the critical decay-rate model, which considers a balance between energy-release due to reaction, and quenching due to shock-curvature, is presented.

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References

  1. M.J. Kaneshige and J.E. Shepherd: ‘Oblique Detonation Stabilized on a Hypervelocity Projectile’. In: 26th Symposium (International) on Combustion, Naples, Italy, 1996, pp.3015–3022

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  2. M.J. Kaneshige: Gaseous Detonation Initiation and Stabilization by Hypervelocity Projectiles. PhD thesis, California Institute of Technology, California (1999)

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  3. H.W. Liepmann and A. Roshko: Elements of Gasdynamics. (Dover Publications, Inc. 2001)

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  4. J.E. Shepherd: ‘Detonation Waves and Propulsion’. In: Combustion in High-Speed Flows, Edited by J. Buckmaster et al., (Kluwer Publishers, 1994), pp.373–420

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  5. M. Arienti, P. Hung, E. Morano, J.E. Shepherd: A level set approach to Eulerian-Lagrangian coupling. J. Fluid. Mech. 185, 212 (2003)

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  6. P. Hung: Algorithms for Reaction Mechanism Reduction and Numerical Simulation of Detonations Initiated by Projectiles. Ph.D. Thesis, California Institute of Technology, Pasadena (2003)

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Author information

Authors and Affiliations

  1. Graduate Aeronautical Laboratory, California Institute of Technology, Pasadena, CA, 91125, USA

    P. Hung & J. E. Shepherd

Authors
  1. P. Hung
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  2. J. E. Shepherd
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Editor information

Editors and Affiliations

  1. Key Laboratory of High-Temperature Gas Dynamics Institute of Mechanics, Chinese Academy of Sciences, 15 Bei Si Huan Xi Rd., Beijing, 100080, P.R. China

    Z. Jiang

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© 2005 Tsinghua University Press and Springer-Verlag Berlin Heidelberg

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Hung, P., Shepherd, J.E. (2005). Initiation of stabilized detonations by projectiles. In: Jiang, Z. (eds) Shock Waves. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-540-27009-6_115

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  • DOI: https://doi.org/10.1007/978-3-540-27009-6_115

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  • Publisher Name: Springer, Berlin, Heidelberg

  • Print ISBN: 978-3-540-22497-6

  • Online ISBN: 978-3-540-27009-6

  • eBook Packages: Physics and AstronomyPhysics and Astronomy (R0)

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