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With aim to decarbonize the rocket launch sector, there has been continuous focus to develop ADN-based green propellants through experimental research, including both liquid and solid states. The efforts towards numerical modeling of new green propellants have been limited. The experimentally validated computational results using detailed chemical kinetics can provide more insight to understand the performance, flame characteristics of ADN burning. With this aim, the current study utilizes 1D modeling approaches using detailed chemical kinetics to improve understanding of ADN combustion using CHEMKIN. The mathematical framework integrates ADN gas-phase chemistry, focusing on 33 different species and 173 reactions and perform Sensitivity analysis focusing on high-temperature reactions affecting flame structure. The investigation also explores the abstraction and generation of diverse species, including radicals, providing insights into the combustion mechanisms of ADN through reaction path analysis.

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One-Dimensional Modeling on Thermal Decomposition of Ammonium Dinitramide (ADN)-Based Green Propellant

  • 会议论文

  • 发表日期：

    2026年

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  • Rushikesh Kore,
  • Ashish Vashishtha

摘要

With aim to decarbonize the rocket launch sector, there has been continuous focus to develop ADN-based green propellants through experimental research, including both liquid and solid states. The efforts towards numerical modeling of new green propellants have been limited. The experimentally validated computational results using detailed chemical kinetics can provide more insight to understand the performance, flame characteristics of ADN burning. With this aim, the current study utilizes 1D modeling approaches using detailed chemical kinetics to improve understanding of ADN combustion using CHEMKIN. The mathematical framework integrates ADN gas-phase chemistry, focusing on 33 different species and 173 reactions and perform Sensitivity analysis focusing on high-temperature reactions affecting flame structure. The investigation also explores the abstraction and generation of diverse species, including radicals, providing insights into the combustion mechanisms of ADN through reaction path analysis.