A Study of Dispersion, Vaporization, and Combustion of Burnable Liquids Surrounding Charges

  • F. Togashi
  • J. D. Baum
  • O. A. Soto
  • R. Löhner
  • J. Bell
Conference paper


A complex numerical simulation where blast waves interacted with a liquid, burnable simulant inside a chamber was conducted. The liquid simulant was dispersed by a small high explosive (HE) charge and then impacted by the blast wave produced by a significantly larger HE charge. The physics of the problem required numerical tools that allowed for (1) coupling of compressible and near-incompressible (+VOF) solvers, (2) a dropletization model by liquid bulk dispersion, (3) droplet breakup and vaporization, (4) a chemical package for combustion, and (5) a particle update technique. The resulting numerical code successfully simulated the scenario, and the predicted pressure agreed excellently with the measured data.


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Copyright information

© Springer International Publishing AG, part of Springer Nature 2019

Authors and Affiliations

  • F. Togashi
    • 1
  • J. D. Baum
    • 1
  • O. A. Soto
    • 1
  • R. Löhner
    • 2
  • J. Bell
    • 3
  1. 1.Applied Simulations Inc.PotomacUSA
  2. 2.CFD CenterGeorge Mason UniversityFairfaxUSA
  3. 3.Defense Threat Reduction AgencyFort BelvoirUSA

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