Bendingofnormalpenetratingprojectilesinduced

byasymmetricalmassabrasion

ZHAO Jun; CHEN Xiao-wei; JIN Feng-nian; XU Ying

doi:10.11883/1001-1455(2011)02-0119-08

Volume 31 Issue 2

May 2014

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Article Navigation > Explosion And Shock Waves > 2011 > 31(2): 119-126

Chen Xi, Chen Xianfeng, Zhang Hongming, Liu Xuanya, Zhang Ying, Niu Yi, Hu Dongtao. Effects of inerting agent with different particle sizes onthe flame propagation of aluminum dust[J]. Explosion And Shock Waves, 2017, 37(4): 759-765. doi: 10.11883/1001-1455(2017)04-0759-07

Citation:

ZHAO Jun, CHEN Xiao-wei, JIN Feng-nian, XU Ying. Bendingofnormalpenetratingprojectilesinduced byasymmetricalmassabrasion[J]. Explosion And Shock Waves, 2011, 31(2): 119-126. doi: 10.11883/1001-1455(2011)02-0119-08

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Bendingofnormalpenetratingprojectilesinduced byasymmetricalmassabrasion

doi: 10.11883/1001-1455(2011)02-0119-08

1.
EngineeringInstituteofEngineeringCorps,PLAUniversityofScienceandTechnology,
2.
Nanjing 210007,Jiangsu,China;

Funds:

NationalNaturalScienceFoundationofChina(51021001)

Publish Date: 2011-03-25

Abstract

Abstract

Asymmetricalmassabrasionisoneofthedominantreasonstocauseaprojectilebending, yawingandbreakwhenitstrikesaconcretetargetnormallyathighvelocity.Thesphericalcavity-expansionmodelisemployedtoconstructthetransverseloadinthecaseofasymmetricalmassabrasion. Withconsideringtheaxisdragforcethatcanreflectthecontinuousvaryingofprojectilenoseshape,a methodisproposedtoanalyzetheyieldingofanormalpenetratingprojectileunderthecombinationof compressionandbendingduetoasymmetricalmassabrasion.Itindicatesthatthecriticalyielding cross-sectionofaprojectileisverymuchsensitivetothetransverseloadinducedbyasymmetricalmass abrasionwhenitsufferslargeaxisdragforce.
- mechanicsofexplosion,
- bending,
- asymmetricalmassabrasion,
- normalpenetrationprojectile,
- yielding,
- concretetarge

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