ZHOU Ping, FAN Bao-chun, GUI Ming-yue. Flowpatternofobliquedetonationinducedbyahypervelocityballincombustiblegas[J]. Explosion And Shock Waves, 2012, 32(3): 278-282. doi: 10.11883/1001-1455(2012)03-0278-05
| Citation:
|
ZHOU Ping, FAN Bao-chun, GUI Ming-yue. Flowpatternofobliquedetonationinduced
byahypervelocityballincombustiblegas[J]. Explosion And Shock Waves, 2012, 32(3): 278-282. doi: 10.11883/1001-1455(2012)03-0278-05
|
ZHOU Ping, FAN Bao-chun, GUI Ming-yue. Flowpatternofobliquedetonationinducedbyahypervelocityballincombustiblegas[J]. Explosion And Shock Waves, 2012, 32(3): 278-282. doi: 10.11883/1001-1455(2012)03-0278-05
| Citation:
|
ZHOU Ping, FAN Bao-chun, GUI Ming-yue. Flowpatternofobliquedetonationinduced
byahypervelocityballincombustiblegas[J]. Explosion And Shock Waves, 2012, 32(3): 278-282. doi: 10.11883/1001-1455(2012)03-0278-05
|
Flowpatternofobliquedetonationinduced
byahypervelocityballincombustiblegas
- 1.
NationalkeyLaboratoryofTransientPhysics,NanjingUniversityof
- 2.
ScienceandTechnology,Nanjing210094,Jiangsu,China;
More Information
- Corresponding author:
FAN Bao-chun
- Publish Date:
2012-05-25
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Abstract
Basedonthetwo-dimensionalaxisymmetricEulerequationscouplingwithchemicalreactions,
thephenomenaofobliquedetonationinducedbyahypervelocityballinhydrogen-oxygen-nitrogen
mixturewerenumericallystudiedbyusingwavepropagationalgorithm withSuperbeelimiter.
Theresultsshowthatthestandingdetonationinducedbyaballshowthecompositestructureat
Damkohlernumberconditionslightlylargerthanthethreshold,whosestructureiscomposedofa
strongoverdrivenobliquedetonation,aweakoverdrivenobliquedetonation,areactingshockwave
andainertshockwave.Thereweretwosubsoniczoneandasupersoniczoneintheflowpastasphere
afterwave.Thesecondobliqueshockwavewasformedintheleewardsurfaceoftheball.
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References
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