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Volume 30 Issue 6
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Article Navigation >  Explosion And Shock Waves  > 2010  >  30(6): 647-651
ZHAO Yan-hong, LIU Hai-feng, ZHANG Guang-cai. EquationofstateofdetonationproductsforPBX9502explosive[J]. Explosion And Shock Waves, 2010, 30(6): 647-651. doi: 10.11883/1001-1455(2010)06-0647-05
Citation: ZHAO Yan-hong, LIU Hai-feng, ZHANG Guang-cai. EquationofstateofdetonationproductsforPBX9502explosive[J]. Explosion And Shock Waves, 2010, 30(6): 647-651. doi: 10.11883/1001-1455(2010)06-0647-05
shu

EquationofstateofdetonationproductsforPBX9502explosive

doi: 10.11883/1001-1455(2010)06-0647-05
  • 1.

    BeijingInstituteofAppliedPhysicsandComputationalMathematics,Beijing100094,China

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  • Corresponding author: ZHAO Yan-hong
  • Publish Date: 2010-11-25
    Abstract
  • TheequationofstateofgasdetonationproductswasdescribedbyRosssmodificationof hard-spherevariationtheoryandtheimprovedone-fluidvanderWaalsmixturemodel.TheGibbsfree energyofdissociatedcarbonwascalculatedforthemostprobablestate,whichwasdeterminedbydistinguishingthefollowingfourstatesofcarbon: graphite,diamond,graphitelikeanddiamondlike. Theequilibriumcompositionsofdetonationproductsarecalculatedbysolvingchemicalequilibriumequationsbasedonminimizingfreeenergy. ThedetonationpropertiesattheCJpointofPBX9502explosivewerecalculatedwiththistheory. Theresultsshowsatisfactoryagreementwiththeexperimentaldata. Comparisonoftheisothermalpressure-densitycurvesdisplaysthattheresultscalculated withthepresenttheoryareingoodagreementwiththosebasedonSesamedatabaseathightemperature. Aslopeisfoundat5802Kisotherm.Thereasonisthatthecarbonphaseischangedatthis point.
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