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The Use of the [H2O-CO2] Arbitrary Decomposition Assumption to Predict the Performance of Condensed High Explosives.

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Title: The Use of the [H2O-CO2] Arbitrary Decomposition Assumption to Predict the Performance of Condensed High Explosives.
Authors: Frem, D.1 frem.dany@gmail.com
Source: Combustion, Explosion, & Shock Waves. Nov2018, Vol. 54 Issue 6, p704-711. 8p.
Subjects: Chemical decomposition, Explosives analysis, Detonation waves, Thermochemistry, Molecular weights
Abstract: The plate dent test is one of the simplest tools for fast determination of the detonation pressure. The test is based on the observation that the detonation pressure correlates with the depth of the dent produced by a detonating explosive on a metal witness plate. The present study is aimed at developing a model for estimating the dent depth, which is used not only to obtain the detonation pressure, but also to evaluate the brisance relative to a reference explosive. It is shown that the experimental dent depth values for CHNO and CHNOClF explosives can be successfully reproduced by a model based on few parameters, namely: loading density, number of moles of gaseous detonation products per gram of the explosive, and average molecular weight of the gaseous products, where the number of moles and the mean molecular weight of the gaseous products are calculated according to the [H2O-CO2] arbitrary decomposition assumption. Furthermore, the predicted values of the dent depth and the Kamlet-Jacobs method are used to estimate the detonation pressure for 37 explosives. The results show that the pressures obtained on the basis of the dent depth values are in better agreement with experimental/thermochemical code data than the predictions of the Kamlet-Jacobs method. [ABSTRACT FROM AUTHOR]
Copyright of Combustion, Explosion, & Shock Waves is the property of Springer Nature and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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  Data: <searchLink fieldCode="DE" term="%22Chemical+decomposition%22">Chemical decomposition</searchLink><br /><searchLink fieldCode="DE" term="%22Explosives+analysis%22">Explosives analysis</searchLink><br /><searchLink fieldCode="DE" term="%22Detonation+waves%22">Detonation waves</searchLink><br /><searchLink fieldCode="DE" term="%22Thermochemistry%22">Thermochemistry</searchLink><br /><searchLink fieldCode="DE" term="%22Molecular+weights%22">Molecular weights</searchLink>
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  Data: The plate dent test is one of the simplest tools for fast determination of the detonation pressure. The test is based on the observation that the detonation pressure correlates with the depth of the dent produced by a detonating explosive on a metal witness plate. The present study is aimed at developing a model for estimating the dent depth, which is used not only to obtain the detonation pressure, but also to evaluate the brisance relative to a reference explosive. It is shown that the experimental dent depth values for CHNO and CHNOClF explosives can be successfully reproduced by a model based on few parameters, namely: loading density, number of moles of gaseous detonation products per gram of the explosive, and average molecular weight of the gaseous products, where the number of moles and the mean molecular weight of the gaseous products are calculated according to the [H2O-CO2] arbitrary decomposition assumption. Furthermore, the predicted values of the dent depth and the Kamlet-Jacobs method are used to estimate the detonation pressure for 37 explosives. The results show that the pressures obtained on the basis of the dent depth values are in better agreement with experimental/thermochemical code data than the predictions of the Kamlet-Jacobs method. [ABSTRACT FROM AUTHOR]
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  Data: <i>Copyright of Combustion, Explosion, & Shock Waves is the property of Springer Nature and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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        Text: English
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      – SubjectFull: Chemical decomposition
        Type: general
      – SubjectFull: Explosives analysis
        Type: general
      – SubjectFull: Detonation waves
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      – SubjectFull: Thermochemistry
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      – SubjectFull: Molecular weights
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