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Combustion Model for Thermite Materials Integrating Explicit and Coupled Treatment of Condensed and Gas Phase Kinetics by E. Tichtchenko; V. Folliet; O. Simonin; B. Bédat; L. Glavier; A. Esteve; C. Rossi is a Engineering article available to read on EtoBox.
What is Combustion Model for Thermite Materials Integrating Explicit and Coupled Treatment of Condensed and Gas Phase Kinetics about?
Nanothermites are interesting energetic systems as their combustion driven by the oxidation of the metallic fuel associated with the reduction of the oxidizer, can produce extremely fast burning rates exceeding hundreds of m s -1 . In addition, by changing the reactant (composition, stoichiometry) geometry and compaction conditions, the control of the burning rate can be achieved, allowing the designer to customize the chemical energy for each application. To date, only rough combustion models exist, most restricting the combustion mechanisms to only condensed phase processes, thus providing an approximative prediction of structurecombustion performance relationships. This work presents a tri-phasic model for the combustion of Al/CuO powder considering 9 gaseous species (Al, Cu, O 2 , O, Al 2 O, Al 2 O 2 , AlO, AlO 2 , N 2 ) and 4 condensed species (Al, Cu, CuO, Al 2 O 3 ) that can be liquid or solid. The reactionnal scheme involves 12 heterogeneous reactions and 2 phase changes based on diffusional kinetics, while gaseous reactions are considered through a chemical equilibrium. A detailed description of the theoretical formulation and numerical method is presented, followed by a d
Who reads Combustion Model for Thermite Materials Integrating Explicit and Coupled Treatment of Condensed and Gas Phase Kinetics?
It is typically read by researchers, students, and practitioners in Engineering.
- Author
- E. Tichtchenko; V. Folliet; O. Simonin; B. Bédat; L. Glavier; A. Esteve; C. Rossi
- Publisher
- Elsevier BV
- Published
- 2022
- Language
- EN
- Field
- Engineering (Physical Sciences)