期刊
MATERIALS TODAY COMMUNICATIONS
卷 31, 期 -, 页码 -出版社
ELSEVIER
DOI: 10.1016/j.mtcomm.2022.103699
关键词
ADN; Molecular simulation; Numerical simulation; Thermal decomposition mechanism; Crystal modification
资金
- Natural Science Foundation of China [21805139]
- Young Elite Scientists Sponsorship Program by CAST (YESS Program) [2021QNRC001]
- Basic Product Innovation Technology Research Project of Explosives
This review article summarizes the research progress on simulation and numerical calculation of ammonium dinitramide (ADN) using density functional theory (DFT), molecular dynamics (MD), the Monte Carlo (MC) method, and numerical calculations. The simulation and calculation methods provide efficient and valid approaches to study the properties and potential applications of ADN in various directions, such as molecular properties, thermal decomposition, crystal structure, interaction with other molecules, and numerical simulation of ADN-based propellants.
As a new green energetic oxidant, ammonium dinitramide (ADN) has excellent energy density and produces a low amount of combustion pollution, making it suitable for use in low-pollution solid propellants, space shuttle boosters, space transportation power systems and future strategic and tactical missiles. However, due to its strong hygroscopic properties, the development and applications of ADN have been hindered. To better understand, develop and use ADN, in practical applications, simulations and calculation methods have been proposed, which are efficient, economical and valid methods for studying the properties and potential applications of ADN. In this review, the literature on the simulation of ADN based on density functional theory (DFT), molecular dynamics (MD) calculations, the Monte Carlo (MC) method and numerical calculations is summarized. The research progress on the simulation and numerical calculation of ADN is systematically introduced from five directions: the simulation of the molecular properties of ADN molecules, the simulation of the thermal decomposition of ADN, the simulation of the ADN crystals and their modified ones, the simulation of the interaction between other molecules and ADN molecules, and the numerical simulation of ADN-based propellants used in engines/ thrusters, with the aim of deepening the understanding of its basic characteristics, pyrolysis mechanism, MD characteristics and potential application potential of ADN, and providing theoretical support for basic research on this material and its practical applications.
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