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Combustion, Explosion, and Shock Waves

, Volume 54, Issue 2, pp 207–215 | Cite as

Investigation of Gas Detonation in Over-Rich Mixtures of Hydrocarbons with Oxygen

  • I. S. Batraev
  • A. A. Vasil’ev
  • V. Yu. Ul’yanitskii
  • A. A. Shtertser
  • D. K. Rybin
Article

Abstract

Detonation in mixtures of acetylene, ethylene, and propylene with oxygen in the range of fuel component concentrations with possible formation of carbon condensate in detonation products is studied both experimentally and theoretically. In contrast to the traditional method of studying detonation in a quiescent mixture located in a closed tube, the present investigations are performed in a tube with an open end (for exhaustion of detonation products) under the conditions of separate injection of the components and their mixing after injection into the detonation tube through the ignition chamber. The components are injected into the tube from a computercontrolled multichannel system of gas injection of the CCDS2000 detonation spraying setup. The detonation cell size and detonation velocity are measured; these parameters are also calculated by the BEZOPASNOST (SAFETY) computer program. A comparison of the computed and experimental dependences testifies to a complicated character of transformation of detonation products from a purely gaseous to heterogeneous state and to its effect on the detonation wave.

Keywords

detonation pulsed gas-detonation device over-rich mixture reaction products carbon condensate homogeneous and heterogeneous medium cell size 

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Copyright information

© Pleiades Publishing, Ltd. 2018

Authors and Affiliations

  • I. S. Batraev
    • 1
  • A. A. Vasil’ev
    • 1
  • V. Yu. Ul’yanitskii
    • 1
  • A. A. Shtertser
    • 1
  • D. K. Rybin
    • 1
  1. 1.Lavrent’ev Institute of Hydrodynamics, Siberian BranchRussian Academy of SciencesNovosibirskRussia

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