Combustion characteristics of high-energy material containing dispersed aluminum, boron, and aluminum borides; Combustion, Explosion and Shock Waves; Vol. 59, No. 4

Combustion characteristics of high-energy material containing dispersed aluminum, boron, and aluminum borides; Combustion, Explosion and Shock Waves; Vol. 59, No. 4

Détails bibliographiques
Parent link:	Combustion, Explosion and Shock Waves.— .— New York: Springer Science+Business Media LLC. Vol. 59, No. 4.— 2023.— P. 440-446
Collectivité auteur:	Томский политехнический университет
Autres auteurs:	Korotkikh A. G. Aleksandr Gennadievich, Sorokin I. V. Ivan Viktorovich, Teplov D. V. Daniil Vyacheslavovich, Arkhipov V. A. Vladimir Afanasjevich
Résumé:	Title screen Dispersed metallic fuels are energy-intensive components of various gel-like and composite solid propellants, which significantly improve the performance of propulsion systems. This study describes the combustion characteristics of a high-energy material (HEM) containing an oxidizer, a polymeric combustible binder, and a dispersed metallic fuel (aluminum Al), aluminum borides (AlB2 and AlB12), and amorphous boron. In a constant-pressure bomb, the burning rates of HEMs in a ressure range of 0.7–4.0 MPa are measured and it is revealed how aluminum dispersity and the nature of the metallic fuel affect burning rate, temperature, HEM sensitivity to pressure changes in the chamber, and the composition of condensed combustion products. An increase in the fineness of Al particles in HEMs significantly increases the burning rate and the HEM sensitivity to pressure changes. Replacing the microsized Al powder with amorphous boron (AlB2 or AlB12) in the HEM causes a (2.1–2.2)-fold increase in the burning rate at a pressure of 4.0 MPa, while the power exponent in the burning rate law u(p)=Bpv increases from 0.22 to 0.45 AM_Agreement
Langue:	anglais
Publié:	2023
Sujets:	электронный ресурс труды учёных ТПУ high-energy material aluminum amorphous boron aluminum boride oxide coating burning rate pressure
Accès en ligne:	https://doi.org/10.1134/S0010508223040068
Format:	Électronique Chapitre de livre
KOHA link:	https://koha.lib.tpu.ru/cgi-bin/koha/opac-detail.pl?biblionumber=672337

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