Analytical study of the oblique reflection of detonation waves

H. Li; G. Ben-Dor; H. Grönig

doi:10.2514/2.40

Analytical study of the oblique reflection of detonation waves

H. Li, G. Ben-Dor, H. Grönig

Department of Mechanical Engineering

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

27 Scopus citations

Abstract

The governing equations relating the flow properties across an oblique detonation wave were reconsidered and modified by accounting for different heat capacity ratios on both side of the detonation wave. Using these equations, modified two- and three-shock-theory-based models were developed and applied to the reflection of detonation waves. The present model makes it possible to investigate the behavior of detonation wave reflections near and at the Chapman-Jouguet (CJ) point. It was shown that the properties of detonation waves near the CJ point are very sensitive to the value of the overdrive. The analytical results were compared with experimental and numerical results from various laboratories, and in general, good agreement was obtained.

Original language	English
Pages (from-to)	1712-1720
Number of pages	9
Journal	AIAA Journal
Volume	35
Issue number	11
DOIs	https://doi.org/10.2514/2.40
State	Published - 1 Jan 1997

ASJC Scopus subject areas

Aerospace Engineering

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10.2514/2.40

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N2 - The governing equations relating the flow properties across an oblique detonation wave were reconsidered and modified by accounting for different heat capacity ratios on both side of the detonation wave. Using these equations, modified two- and three-shock-theory-based models were developed and applied to the reflection of detonation waves. The present model makes it possible to investigate the behavior of detonation wave reflections near and at the Chapman-Jouguet (CJ) point. It was shown that the properties of detonation waves near the CJ point are very sensitive to the value of the overdrive. The analytical results were compared with experimental and numerical results from various laboratories, and in general, good agreement was obtained.

AB - The governing equations relating the flow properties across an oblique detonation wave were reconsidered and modified by accounting for different heat capacity ratios on both side of the detonation wave. Using these equations, modified two- and three-shock-theory-based models were developed and applied to the reflection of detonation waves. The present model makes it possible to investigate the behavior of detonation wave reflections near and at the Chapman-Jouguet (CJ) point. It was shown that the properties of detonation waves near the CJ point are very sensitive to the value of the overdrive. The analytical results were compared with experimental and numerical results from various laboratories, and in general, good agreement was obtained.

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Analytical study of the oblique reflection of detonation waves

Abstract

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