Analysis of conditions for determining the thermophysical characteristics of energetic materials by the laser pulse method |
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| Authors: | G V Kuznetsov M D Katz |
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| Affiliation: | 1.National Research Tomsk Polytechnic University,Tomsk,Russia |
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| Abstract: | An analysis of conditions for determining the thermophysical characteristics of energetic materials by the laser pulse method is performed. Based on the results of numerical solution of the heat conduction problems for a sample of a material irradiated with a short heating laser pulse corresponding to actual experimental conditions, the time dependences on the sample surface temperature are determined. The heat pulse duration required to determine the thermophysical properties of materials and the ignition delay time are compared. It is shown that the determination of the thermophysical characteristics of a typical energetic material by the laser pulse method is possible at pulse durations of no longer than 0.24 s. |
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