Internalloadsandstructureresponsesofsphericalexplosivevesse

LiuWen-xiang; TanShu-shun; JingJi-yong; ZhangXiao-liang; ZhuYu-rong; LiuGuan-lan; ZhangQing-ming

doi:10.11883/1001-1455(2013)06-0594-07

Volume 33 Issue 6

Apr. 2014

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Article Navigation > Explosion And Shock Waves > 2013 > 33(6): 594-600

LiuWen-xiang, TanShu-shun, JingJi-yong, ZhangXiao-liang, ZhuYu-rong, LiuGuan-lan, ZhangQing-ming. Internalloadsandstructureresponsesofsphericalexplosivevesse[J]. Explosion And Shock Waves, 2013, 33(6): 594-600. doi: 10.11883/1001-1455(2013)06-0594-07

Citation:

LiuWen-xiang, TanShu-shun, JingJi-yong, ZhangXiao-liang, ZhuYu-rong, LiuGuan-lan, ZhangQing-ming. Internalloadsandstructureresponsesofsphericalexplosivevesse[J]. Explosion And Shock Waves, 2013, 33(6): 594-600. doi: 10.11883/1001-1455(2013)06-0594-07

Citation:

LiuWen-xiang, TanShu-shun, JingJi-yong, ZhangXiao-liang, ZhuYu-rong, LiuGuan-lan, ZhangQing-ming. Internalloadsandstructureresponsesofsphericalexplosivevesse[J]. Explosion And Shock Waves, 2013, 33(6): 594-600. doi: 10.11883/1001-1455(2013)06-0594-07

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Internalloadsandstructureresponsesofsphericalexplosivevesse

doi: 10.11883/1001-1455(2013)06-0594-07

1.
(1.NorthwestInstituteof NuclearTechnology,Xi’an710024,Shaanxi,China;
2.
StateKeyLaboratoryofExplosionScienceandTechnology,BeijingInstitute

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Corresponding author: LiuWen-xiang
Publish Date: 2013-11-25

Abstract

Abstract

Tounderstandthewholedevelopingprocessoftheflowfieldinasphericalexplosivevessel, thepressureandtemperatureattheinternalsurfaceofthevesselweremonitoredaswellasthestrain ofitsexternalsurface.Theexperimentalresultsshowthattheflowfieldinthevesseltendedtobe evenaftertheblastwavesreflectedthreetimes.Thestrainwavesoftheexternalsurfaceindicatethat theexplosiveproductsinthevesselobviouslyunderwentasecondaryreaction.Thestraingrowthappearedatallthemeasuringpositionsandthatwasthemostevidentatthemeasuringpositionopposite theentranceofthevessel,atwhichthegrowthcoefficientoftheaveragestrainpeakarrivedat2.88. Theprimaryvibrationofthevesselwasbreathvibration,andthefrequencyofthesecondaryprimary vibrationwasaboutonehalfasmuchasthatofbreathvibration.Thelargeststrainoftheouterwall ofthevesselwasabout2.510-3,thecorrespondinglargestequivalentstresswasabout80% higher thanthestaticyieldstressofthevesselmaterial,whilethevesseldidnotpresentclearplasticdeformation.
- mechanicsofexplosion,
- structureresponse,
- straingrowth,
- sphericalvessel