Geodesic
Mathematical modeling on ignition of metallized solid propellant by a convective high temperature flow
Vestnik Tomskogo gosudarstvennogo universiteta. Matematika i mehanika, no. 68 (2020), pp. 126-140 Cet article a éte moissonné depuis la source Math-Net.Ru

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This paper presents a mathematical model and a methodology to calculate stationary combustion of a metallized solid propellant with aluminum additives ignited by a high-temperature convective flow. The study considers the ignition of a semi-infinite slab of the metallized solid propellant which is blown over by an unlimited high-temperature flow. A boundary-layer approximation is used to develop the ignition model. The high-temperature blowing effect is taken into account in the model by means of turbulent heat and mass transfer. The paper provides a numerical and theoretical analysis on the impact of the velocity and temperature of the convective flow on the ignition time delay and the stationary combustion mode establishment. The analysis shows that the proposed approach allows calculating the time of the ignition delay and stationary combustion mode establishment for the metallized solid propellant. Moreover the ignition delay and the period of the stationary combustion mode establishment are found to be controlled by both the velocity and temperature of the convective flow.
Keywords: ignition, metallized solid propellant, mathematical model, velocity, blowing flow, high-temperature flow, convective flow. 
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     title = {Mathematical modeling on ignition of metallized solid propellant by a convective high temperature flow},
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V. A. Poryazov; A. Yu. Krainov. Mathematical modeling on ignition of metallized solid propellant by a convective high temperature flow. Vestnik Tomskogo gosudarstvennogo universiteta. Matematika i mehanika, no. 68 (2020), pp. 126-140. http://geodesic.mathdoc.fr/item/VTGU_2020_68_a11/

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