Solid-phase ignition of a composite propellant by a hot particle under free-convection heat sink into the environment

Abstract

A mathematical model of the solid-phase ignition of a structurally inhomogeneous metallized composite propellant by an incandescent small particle in the form of a cylindrical disk with allowance for free-convection heat sink into the environment is developed. A numerical study of the ignition delay time, the main integral characteristics of the process, is performed. The calculation results are compared to experimental data on the ignition of model propellant compositions based on ammonium perchlorate, butyl rubber, and ASD-4 aluminum powder.

Original language	English
Pages (from-to)	196-204
Number of pages	9
Journal	Russian Journal of Physical Chemistry B
Volume	8
Issue number	2
DOIs	https://doi.org/10.1134/S1990793114020146
Publication status	Published - 1 Jan 2014

Keywords

convective heat transfer
ignition
local energy source
metallized composite propellant
numerical simulation

ASJC Scopus subject areas

Physical and Theoretical Chemistry

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10.1134/S1990793114020146

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title = "Solid-phase ignition of a composite propellant by a hot particle under free-convection heat sink into the environment",

abstract = "A mathematical model of the solid-phase ignition of a structurally inhomogeneous metallized composite propellant by an incandescent small particle in the form of a cylindrical disk with allowance for free-convection heat sink into the environment is developed. A numerical study of the ignition delay time, the main integral characteristics of the process, is performed. The calculation results are compared to experimental data on the ignition of model propellant compositions based on ammonium perchlorate, butyl rubber, and ASD-4 aluminum powder.",

keywords = "convective heat transfer, ignition, local energy source, metallized composite propellant, numerical simulation",

author = "Glushkov, {D. O.} and Kuznetsov, {G. V.} and Strizhak, {P. A.}",

year = "2014",

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AU - Glushkov, D. O.

AU - Kuznetsov, G. V.

AU - Strizhak, P. A.

PY - 2014/1/1

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N2 - A mathematical model of the solid-phase ignition of a structurally inhomogeneous metallized composite propellant by an incandescent small particle in the form of a cylindrical disk with allowance for free-convection heat sink into the environment is developed. A numerical study of the ignition delay time, the main integral characteristics of the process, is performed. The calculation results are compared to experimental data on the ignition of model propellant compositions based on ammonium perchlorate, butyl rubber, and ASD-4 aluminum powder.

AB - A mathematical model of the solid-phase ignition of a structurally inhomogeneous metallized composite propellant by an incandescent small particle in the form of a cylindrical disk with allowance for free-convection heat sink into the environment is developed. A numerical study of the ignition delay time, the main integral characteristics of the process, is performed. The calculation results are compared to experimental data on the ignition of model propellant compositions based on ammonium perchlorate, butyl rubber, and ASD-4 aluminum powder.

KW - convective heat transfer

KW - ignition

KW - local energy source

KW - metallized composite propellant

KW - numerical simulation

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