Influence of the finite rate of high-explosive decomposition on the determination of detonation parameters

Bakhrakh, S. M.; Evstigneev, A. A.; Zubarev, V. N.; Shanin, A. A.

doi:10.1007/bf00784263

Cited by 8 publications

(2 citation statements)

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“…In practice, an unsteady process occurs, in which the width of the chemical reaction zone is not constant and the Chapman-Jouguet plane moves relative to the shock. It has also been shown [22] that the effect of the unsteadiness of the chemical reaction zone on the detonation product flow parameters is limited by a region of the order of about five characteristic sizes of the zone. For the HE used in the experiments considered, the chemical reaction zone is ≈1 mm [16].…”

Section: Discussion Of Resultsmentioning

confidence: 99%

“…A comparison of the results of the experiments with calculated data showed that their were in satisfactory agreement in a region fairly close to the detonation front. At the same time, systematic differences were observed, which might be caused by the neglect of the detonation-front curvature in the calculation and the real nonequilibrium of the products due to the effect of the chemical reaction zone, whose existence was indicated in [22].…”

Section: Discussionmentioning

confidence: 99%

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Density distribution of the expanding products of steady-state detonation of TNT

Pruuél

Merzhievskii

Тен

et al. 2007

Combust Explos Shock Waves

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This paper gives a description of a high-speed X-ray tomographic technique and the results of its application to finding the density distribution of detonation products of condensed explosives from measurements using synchrotron radiation. The data obtained for a cylindrical charge of pressed TNT of diameter 12.5-mm and density 1.6 g/cm 3 are compared with the results of solution of the corresponding gas-dynamic problem of steady-state detonation. The experimental and computational results are in satisfactory qualitative and quantitative agreement. The features of the employed technique and the distribution obtained are analyzed. The technique as a whole and the results obtained can be used to test and refine the known equations of state for detonation products and to construct new ones.

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Section: Discussion Of Resultsmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%