Two-phase Modelling of Blast Mitigation Aaron Longbottom - ukelg
Two-phase Modelling of Blast Mitigation Aaron Longbottom - ukelg
Two-phase Modelling of Blast Mitigation Aaron Longbottom - ukelg
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<strong>Two</strong>-Phase <strong>Modelling</strong> <strong>of</strong> <strong>Blast</strong> <strong>Mitigation</strong><strong>Two</strong>-<strong>phase</strong> TheoryFluid Gravity• <strong>Two</strong>-<strong>phase</strong>s:– Solid particle/liquid droplets– background material/gas• Set <strong>of</strong> continuum equations for each <strong>phase</strong>• Phases interact through– drag (scales as particle diameter)– nozzling– heat conduction (scales as square <strong>of</strong> particle diameter)– burning/evaporation• No longer hydrodynamic scaling (multiple length scales)21 st September 2005 38 th UKELG Discussion MeetingVF009/05
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