Gas Detonation Simulation in the Channel by Instant Heating of One Its Flat End for the Case of Real Chemical Reaction

  • S. Kulikov
  • O. Ternovia
Conference paper


Gas detonation is a particular processes. Parameters of the flow change hard in very narrow zone which local character size (L) is comparable with local mean free path of molecules (λ) (λ~L). But λ is much less than L in the other parts of the flow. However, that what takes place in the narrow zone influences the other parts of the flow. Development of computers permits now to simulate these processes using only the Monte Carlo non-stationary method of statistical simulation (MCNMSS) (another name DSMC). It was sown in [1] that this is possible. The idea of the method was proposed by Bird [2] and based on the principle of splitting of molecular motion and intermolecular collisions. The method automatically takes into account all details of mass and heat- transfer. Numerical study of forming a detonation wave in the gas on the molecular process level gives a lot of useful information. Simulation of a detonation front was presented first for 1D case and for the case of low initial temperature in [3] and [4]. Interesting attempt of simulation of non-stationary detonation for 1D and 2D cases was undertaken in paper by Walenta and Teodorczyk [5]. Work by Kulikov and Ternovaia [6] presents results of non-stationary simulation when detonation was initiated by sock wave for 1D case. In cases [1] and [6] the chemical reaction was taken from [3] or [4] but with other thresholds. Only fast model chemical reactions were taken into account in considered above cases. It was made an attempt in presented work to simulate more real detonation process with fast chemical conversion also taking place in nature using MCNMSS. One of the goal of the work was to investigate the influence of translational nonequilibrium on chemical reaction acceleration in the detonation front.


Detonation Wave Message Passage Interface Detonation Front Simulation Region Real Chemical Reaction 
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© Springer-Verlag Berlin Heidelberg 2012

Authors and Affiliations

  • S. Kulikov
    • 1
  • O. Ternovia
    • 1
  1. 1.Institute of Problems of Chemical Physics RASChernjgolovkaRussia

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