Flame Propagation and Growth to Detonation in Multiphase Flows

  • J. W. Nunziato
  • M. R. Baer
Conference paper
Part of the The IMA Volumes in Mathematics and Its Applications book series (IMA, volume 12)


In this paper, we present a two-phase flow theory for the combustion of gas-permeable, reactive granular materials. In particular, we focus on the fundamental physical-chemical processes associated with the transition from deflagration to detonation in granular explosives and propellants. A numerical strategy, based on the method of fractional steps and flux-corrected transport (FCT), is discussed with the view toward multidimensional computations. Comparison of our results with experimental data for the explosive CP suggests that a thermodynamically consistent theory can describe the acceleration of the flame front in three (of the four) major flow regimes commonly observed; convective burning, compressive deflagration, and detonation.


Initial Density Flame Front Combustion Wave Flame Propagation Flame Spread 
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Copyright information

© Springer-Verlag New York Inc. 1988

Authors and Affiliations

  • J. W. Nunziato
    • 1
  • M. R. Baer
    • 1
  1. 1.Fluid and Thermal Sciences DepartmentSandia National LaboratoriesAlbuquerqueUSA

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