Acomputationalmethodforshapecharacteristicparameters

offracturedpropellantingrainform

FengBin-bin; RuiXiao-ting; YunLai-feng; WangYan

doi:10.11883/1001-1455(2013)03-0292-05

Volume 33 Issue 3

Mar. 2014

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FengBin-bin, RuiXiao-ting, YunLai-feng, WangYan. Acomputationalmethodforshapecharacteristicparametersoffracturedpropellantingrainform[J]. Explosion And Shock Waves, 2013, 33(3): 292-297. doi: 10.11883/1001-1455(2013)03-0292-05

Citation:

FengBin-bin, RuiXiao-ting, YunLai-feng, WangYan. Acomputationalmethodforshapecharacteristicparameters offracturedpropellantingrainform[J]. Explosion And Shock Waves, 2013, 33(3): 292-297. doi: 10.11883/1001-1455(2013)03-0292-05

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Acomputationalmethodforshapecharacteristicparameters offracturedpropellantingrainform

doi: 10.11883/1001-1455(2013)03-0292-05

1.
InstituteofLaunchDynamics,NanjingUniversityofScienceandTechnology,
2.
Nanjing210024,Jiangsu,China;

Funds:

NationalNaturalScienceFoundationofChina(11102089)

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Corresponding author: RuiXiao-ting
Publish Date: 2013-05-25

Abstract

Abstract

Abstract:Byanalyzingtherelationshipsbetweentheshapeparametersofpropellantgrainandthe pressure-timecurveinaclosedbomb,acomputationalmethodwasestablishedforestimatingthe shapecharacteristicparametersoffracturedpropellantingrainformandthedetailedcalculationsteps weregiven.Thepropellantswithdifferentfracturedegreesobtainedindropweighttestsweretested inaclosebombandthecorrespondingshapecharacteristicparameterswerecalculatedbyusingtheestablishedmethod. Thecalculatedresultsareinagreementwiththeexperimentalones.
- mechanicsofexplosion,
- shapecharacteristicparameters,
- closedbomb,
- propellant,
- fracture