Fast Reactions in Dispersed Heterogeneous Energetic Systems

  • J. A. Nicholls
Conference paper
Part of the NATO Advanced Study Institutes Series book series (ASIC, volume 71)


There are many situations that may arise wherein a gaseous, liquid, or dust form of fuel may be dispersed throughout an appreciable volume. The possibility exists that a localized rapid release of sufficient energy could produce a blast wave and directly initiate detonative combustion. This problem is treated herein. The characteristics of shock waves, blast waves, gaseous detonation, and heterogeneous (liquid fuel drops or dusts) detonation are briefly discussed. The theoretical aspects of the blast wave initiation of gaseous detonation are described and differences pointed out for the case of heterogeneous detonation. Experimental results on the shock wave ignition of liquid fuel drops and dusts and the blast wave initiation of cylindrical and planar gaseous and heterogeneous detonation waves are presented. A number of fuels were tested, such as kerosene, decane, butane, magnesium, coal dust, and various grain dusts. The experimental findings are discussed in light of the theory.


Shock Wave Mach Number Detonation Wave Shock Tube Blast Wave 
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Copyright information

© D. Reidel Publishing Company 1981

Authors and Affiliations

  • J. A. Nicholls
    • 1
  1. 1.Department of Aerospace EngineeringThe University of MichiganAnn ArborUSA

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