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A. D. Rychkov, N. Yu. Shokina, N. Eisenreich, V. Weiser

Simulation of the dispersion and ignition of fine-dispersed aluminum particles by a gas generator

Using numerical modelling, we studied the formation and propagation of a cloud of fine-dispersed aluminum particles generated by a special unit under the action of high-temperature combustion products of a solid propellant gas generator, as well as the ignition conditions of these particles. The results of numerical modelling show that the dynamic characteristics of the cloud of particles and their ignition substantially depend on the temperature of gas generator combustion products, particle sizes, and the energy characteristics of the generator itself. The results obtained are in a qualitative agreement with experiments carried out at the Fraunhofer Institute for Chemical Technology (Pfinztal, Germany) [6].

Russian Journal of Numerical Analysis and Mathematical Modelling, Walter de Gruyter

Print ISSN: 0927-6467
Volume: 21, 10/2006
Pages: 447 - 457

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