Numerical studies of shock focusing induced by reflection of detonation waves within a hemispherical implosion chamber

K. Hatanaka; T. Saito; K. Takayama

doi:10.1007/s00193-012-0411-x

Numerical studies of shock focusing induced by reflection of detonation waves within a hemispherical implosion chamber

K. Hatanaka, T. Saito, K. Takayama

Medicine

Research output: Contribution to journal › Article › peer-review

1 Citation (Scopus)

Abstract

The initiation and the propagation of detonation waves in a hemispherical chamber and the imploding shock waves that are the reflected detonation waves at the chamber wall are numerically investigated. The effects of the boundary layer and the non-uniformity of the flow field induced by the detonation wave on the imploding shock stability are examined. It is found that the effect of the boundary layer separation on the chamber wall has the strongest effect on the implosion focus.

Original language	English
Pages (from-to)	567-578
Number of pages	12
Journal	Shock Waves
Volume	22
Issue number	6
DOIs	https://doi.org/10.1007/s00193-012-0411-x
Publication status	Published - 2012 Nov

Keywords

Detonation
Direct initiation
Imploding shock stability
Implosion chamber

ASJC Scopus subject areas

Mechanical Engineering
Physics and Astronomy(all)

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10.1007/s00193-012-0411-x

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N2 - The initiation and the propagation of detonation waves in a hemispherical chamber and the imploding shock waves that are the reflected detonation waves at the chamber wall are numerically investigated. The effects of the boundary layer and the non-uniformity of the flow field induced by the detonation wave on the imploding shock stability are examined. It is found that the effect of the boundary layer separation on the chamber wall has the strongest effect on the implosion focus.

AB - The initiation and the propagation of detonation waves in a hemispherical chamber and the imploding shock waves that are the reflected detonation waves at the chamber wall are numerically investigated. The effects of the boundary layer and the non-uniformity of the flow field induced by the detonation wave on the imploding shock stability are examined. It is found that the effect of the boundary layer separation on the chamber wall has the strongest effect on the implosion focus.

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