Waterjetphenomenainducedbytheinteractionbetween

underwaterexplosionbubblesandwaterbottomboundaries

WANG Bin; ZHANG Yuan-ping; WANG Yan-ping

doi:10.11883/1001-1455(2011)03-0250-06

Volume 31 Issue 3

May 2014

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Article Navigation > Explosion And Shock Waves > 2011 > 31(3): 250-255

Zhang Lin, Li Yinghua, Zhang Zugen, Li Xuemei, Hu Changming, Cai Lingcang. Asay window for probing the microspall of materials[J]. Explosion And Shock Waves, 2017, 37(4): 692-698. doi: 10.11883/1001-1455(2017)04-0692-07

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WANG Bin, ZHANG Yuan-ping, WANG Yan-ping. Waterjetphenomenainducedbytheinteractionbetween underwaterexplosionbubblesandwaterbottomboundaries[J]. Explosion And Shock Waves, 2011, 31(3): 250-255. doi: 10.11883/1001-1455(2011)03-0250-06

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Waterjetphenomenainducedbytheinteractionbetween underwaterexplosionbubblesandwaterbottomboundaries

doi: 10.11883/1001-1455(2011)03-0250-06

1.
NationalKeyLaboratoryofShock WaveandDetonationPhysics,InstituteofFluidPhysics,

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NationalBasicResearchProgramofChina(973Program)(51335010202)

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Corresponding author: WANG Bin
Publish Date: 2011-05-25

Abstract

Abstract

TheKelvinimpulseprinciplewasappliedtoanalyzethemajorinfluencefactorsintheformationofthewaterjetbytheinteractionbetweenanunderw terexplosionbubbleandawaterbottom boundary.Andaseriesofexperimentswereconductedinawatertanktoinvestigatethewaterjet phenomenainducedbytheinteractionbetweenbubblesandahorizontallyplacedsteelplate.Thedistancebetweentheexplosiveandthesteelplatewaschangedwiththedifferentexperimentalconditions. Theoscillationpicturesofthewaterjetswerecapturedbyahigh-speedcameraandthepulse pressuresofthebubbleswereobtainedbypressuresensorsatthepositionswiththedifferentdistances awayfromtheexplosionsource.Boththetheoreticalanalysisandtheexperimentalresultsshowthat theBjerknesforceincreasesmarkedlywiththedecreasingdistancebetweentheexplosiveandthesteel plate,andthecriticalcondition,fortheformationofthewaterjetbytheinteractionbetweenthebubbleandthehorizontallyplacedsteelplate, isthattheexplosiondistanceisshorterthanthemaximum bubbleradius.Andthewaterjethasadistinctorientationanditcanremarkablydamagethetarget.
- mechanicsofexplosion,
- waterjet,
- bubbleoscillation,
- underwaterexplosion

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