Configurationofexplosiveenergyoutput

indifferentunderwaterboundaryconditions

JinHui; LiBing; QuanLin; SongJing-li

doi:10.11883/1001-1455(2013)03-0325-05

Volume 33 Issue 3

Mar. 2014

Turn off MathJax

Article Contents

Article Navigation > Explosion And Shock Waves > 2013 > 33(3): 325-330

JinHui, LiBing, QuanLin, SongJing-li. Configurationofexplosiveenergyoutputindifferentunderwaterboundaryconditions[J]. Explosion And Shock Waves, 2013, 33(3): 325-330. doi: 10.11883/1001-1455(2013)03-0325-05

Citation:

JinHui, LiBing, QuanLin, SongJing-li. Configurationofexplosiveenergyoutput indifferentunderwaterboundaryconditions[J]. Explosion And Shock Waves, 2013, 33(3): 325-330. doi: 10.11883/1001-1455(2013)03-0325-05

Citation:

PDF( 1257 KB)

Configurationofexplosiveenergyoutput indifferentunderwaterboundaryconditions

doi: 10.11883/1001-1455(2013)03-0325-05

1.
91439Unit,Dalian 233010,Liaoning,China

More Information

Corresponding author: SongJing-li
Publish Date: 2013-05-25

Abstract

Abstract

Aseriesofexperimentswerecarriedouttoexploretheenergyoutputcharacteristicsofthe explosiveinthedifferentunderwaterboundaryconditions:freefield,waterbottom,nearwaterbottomandnearwatersurface. Theexperimentalresultsshowthatwhentheexplosiveisnearthewater bottomandsurface,theboundaryconditionsweaklyaffecttheexplosion-inducedshockwavesand stronglyinfluencethebubblepulsation.Whenthedistancefromtheexplosivetothewaterbottomis lessthanthemaximumradiusofthebubbles,theunderwaterexplosionoftheexplosivefailstoform anintegratedbubblepulsationresultedfromthewaterbottomboundary.Whenthedistancefromthe explosivetothewatersurfaceislessthanthemaximumradiusofthebubbles,theairbubblesoverflowthewatersurfaceandfailtoformthebubblepulsationpressure. Whenthedistancefromtheexplosivetothewatersurfaceis1- 1.5timesasgreatasthemaximumradiusofthebubbles,partialair bubblesoverflowthewatersurfaceandthecorrespondingbubblepulsationpressureislowerthanthat inducedbytheexplosioninthefreefield.Becauseoftheairbubblerisinginitsexpansionandcontractionprocesses, theinfluencedrangebythewatersurfaceonthebubblepulsationislargerthatbythe waterbottom.
- mechanicsofexplosion,
- configurationofenergy,
- boundarycondition,
- underwaterexplosion