基于冲击波、热、地震波的含能材料爆炸多威力参量综合评价方法研究
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南京理工大学

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TN06

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Research on comprehensive evaluation method of multi-force parameters of explosion of energetic materials based on shock wave, thermal and seismic wave
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    摘要:

    为了满足不同反应机理、不同装药物态含能材料爆炸能量释放过程中,冲击波、热及地震波等毁伤元综合毁伤威力的定量评价需求。采用实测冲击波、热、地震波试验数据,在冲击波超压、比冲量、热剂量及地震波振动速度峰值随爆心距、比例距离的变化规律基础上,采用归一化加权方法,构建了能够综合不同爆心距、不同威力参量作用“强弱”的综合评价模型。采用标准TNT试验数据对建立的综合评价模型进行了有效性验证,综合模型计算所得比当量的相对误差小于2%;同时,该综合评价模型也实现了相同试验工况下某型含能材料冲击波、热及地震波释能特性的综合等效当量的计算。多威力参量综合评价方法能够根据不同的测试环境、试验场景及毁伤目标任意选取权重,获取特定工况下被试含能材料目标毁伤能力的等效当量,能够为含能材料的设计研发、能量释放特性的分析及目标毁伤能力的综合评价提供有效的定量分析手段。

    Abstract:

    In order to meet the quantitative evaluation needs of the comprehensive destructive power of the shock wave, heat and seismic wave damage elements in the explosive energy release process of different reaction mechanisms and different drug-containing energetic material states, experimental data on shock wave overpressure, impulse, heat dose, and seismic wave vibration velocity at different distances from the blast center were used. On the basis of the laws of change of shock wave overpressure, impulse, heat dose, and seismic wave vibration velocity with blast center distance and proportion distance, a comprehensive evaluation model that can comprehensively evaluate the "strength" of different blast center distances and different power parameters was established by using the normalized weighting method. The validity of the established comprehensive evaluation model was verified by using standard TNT test data, and the relative error of the computed equivalent energy was less than 2%. At the same time, the comprehensive evaluation model also realized the calculation of the comprehensive equivalent energy of the shock wave, heat, and seismic wave energy release characteristics of a certain type of energetic material under the same test conditions. The multi-power parameter comprehensive evaluation method can select arbitrary weights based on different test environments, test scenarios, and damage targets, and obtain the equivalent energy of the target damage capability of the test material under specific conditions, which can provide effective quantitative analysis methods for the design, development, and analysis of explosive energy release characteristics, as well as the comprehensive evaluation of damage capability.

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  • 收稿日期:2024-09-30
  • 最后修改日期:2024-10-28
  • 录用日期:2024-10-28
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