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Abstract <p>In order to study the technology of liquid CO<sub>2</sub> phase transition explosion and optimize the thermal safety performance of the initiating agent formulation, a reference was made to the classic British formula. The optimized formulation of the initiating agent obtained by using the MATLAB calculation program was tested for its combustion characteristics, sensitivity characteristics, thermal decomposition characteristics and thermal stability performance by ignition test, sensitivity test, thermogravimetric analysis, differential scanning calorimetry, and temperature resistance test. The thermodynamic data obtained were theoretically calculated by the Ozawa method, and the long-term use temperature of the initiating agent was calculated according to empirical formulas. The initiating agent cannot be ignited in the open air. It is feasible to design an optimized formulation by accurately controlling the content of ammonium oxalate, which can also regulate its thermochemical stability to a certain extent.</p>

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Liquid CO2 Phase Change Explosion Excitation Agent Formulation Optimization and Thermal Stability Study

  • 期刊论文

  • 发表日期：

    2025年1月1日

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  • M.-R. Du,
  • Z.-F. Chen,
  • R.-S. Wang,
  • T.-Z. Wang,
  • S.-S. Hu,
  • W. Cao,
  • Y.-H. Chen

摘要

Abstract

In order to study the technology of liquid CO2 phase transition explosion and optimize the thermal safety performance of the initiating agent formulation, a reference was made to the classic British formula. The optimized formulation of the initiating agent obtained by using the MATLAB calculation program was tested for its combustion characteristics, sensitivity characteristics, thermal decomposition characteristics and thermal stability performance by ignition test, sensitivity test, thermogravimetric analysis, differential scanning calorimetry, and temperature resistance test. The thermodynamic data obtained were theoretically calculated by the Ozawa method, and the long-term use temperature of the initiating agent was calculated according to empirical formulas. The initiating agent cannot be ignited in the open air. It is feasible to design an optimized formulation by accurately controlling the content of ammonium oxalate, which can also regulate its thermochemical stability to a certain extent.