Cellularstructureofobliquedetonationand

propagationoftransversewave

WANG Ai-feng; ZHAO Wei; JIANG Zong-lin

doi:10.11883/1001-1455(2010)04-0349-06

Volume 30 Issue 4

May 2014

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WANG Ai-feng, ZHAO Wei, JIANG Zong-lin. Cellularstructureofobliquedetonationandpropagationoftransversewave[J]. Explosion And Shock Waves, 2010, 30(4): 349-354. doi: 10.11883/1001-1455(2010)04-0349-06

Citation:

WANG Ai-feng, ZHAO Wei, JIANG Zong-lin. Cellularstructureofobliquedetonationand propagationoftransversewave[J]. Explosion And Shock Waves, 2010, 30(4): 349-354. doi: 10.11883/1001-1455(2010)04-0349-06

WANG Ai-feng, ZHAO Wei, JIANG Zong-lin. Cellularstructureofobliquedetonationandpropagationoftransversewave[J]. Explosion And Shock Waves, 2010, 30(4): 349-354. doi: 10.11883/1001-1455(2010)04-0349-06

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Cellularstructureofobliquedetonationand propagationoftransversewave

doi: 10.11883/1001-1455(2010)04-0349-06

1.
KeyLaboratoryof HighTemperatureGasDynamics,Instituteof Mechanics,

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Corresponding author: WANG Ai-feng
Publish Date: 2010-07-25

Abstract

Abstract

Numericalsimulationswerecarriedouttoinvestigatethecharacteristicsofstandingoblique detonationwave(ODW)fordifferentMach6.8,7.0and7.5inletflowsoverawedgeof30turning angle.NumericalresultsshowashockwaveatMach6.8and7.0appearsatthedownstreamofthe triplepointwhichisformedamongobliqueshockwave(OSW),ODWanddeflagrationwave,reflects fromthewedgewall,passesacrossthecontactsurfaceandinteractswithtransversewaveswhichoriginatingfromtheODWfront. Thisinteractionmakescellularstructureirregularandcomplex.At thesametime,anewfeatureshowsthetransversewavespropagatebothinone-waydirectionupstreamandintwo- waydirectiondownstreambehindtheODW.Thepropagationcharacteristicaffects thestabilityofobliquedetonationwave.
- mechanicsofexplosion,
- cellularstructure,
- contactsurface,
- obliquedetonation wave,
- transversewave