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Mathematical Simulation of Three-Dimensional Spin Regimes of Gasless Combustion

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Combustion, Explosion and Shock Waves Aims and scope

Abstract

A three-dimensional mathematical model is constructed for the gasless combustion of a solid circular cylindrical specimen. The steady-stated spin regimes obtained were studied by numerical methods. The structure and mechanism of spin combustion are illustrated and discussed. It is shown how the space–time pattern of spin-wave propagation is complicated as the radius of the cylinder increases. Spin propagation of the front can proceed in a regime in which the structure of the front does not change (for small radii of the sample) or in an unsteady regime, in which the structure of the front undergoes numerous changes over a period. In the second case, a synchronous or alternate “flicker” of the sites is observed on the surface of the cylinder. The nonuniqueness of the combustion regimes is detected. It is shown that the average velocity of propagation of the spin-combustion front is of the order of the velocity of steady front propagation under adiabatic conditions.

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  1. Institute of Structural Macrokinetics and Problems of Materials Science, Russian Academy of Sciences, Chernogolovka, 124232

    T. P. Ivleva & A. G. Merzhanov

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  1. T. P. Ivleva
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  2. A. G. Merzhanov
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Ivleva, T.P., Merzhanov, A.G. Mathematical Simulation of Three-Dimensional Spin Regimes of Gasless Combustion. Combustion, Explosion, and Shock Waves 38, 41–48 (2002). https://doi.org/10.1023/A:1014053816863

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