On the deflagration-to-detonation transition (DDT) process with added energetic solid particles for pulse detonation engines (PDE)
Sign Up to like & getrecommendations! Published in 2018 at "Shock Waves"
DOI: 10.1007/s00193-017-0800-2
Abstract: In this paper, numerical simulations are performed to study the dynamics of the deflagration-to-detonation transition (DDT) in pulse detonation engines (PDE) using energetic aluminum particles. The DDT process and detonation wave propagation toward the unburnt… read more here.
Keywords: ddt process; detonation; aluminum particles;
Combined shaped-charge liners for explosion formation of aluminum particles with velocities up to 16 km/s
Sign Up to like & getrecommendations! Published in 2021 at "Acta Astronautica"
DOI: 10.1016/j.actaastro.2021.10.020
Abstract: Abstract Explosive launching devices are used to test objects of rocket and space technology for resistance to the impact of meteoroids and fragments of space debris. These include shaped charges with a combined hemisphere-cylinder liner.… read more here.
Keywords: shaped charge; particles velocities; aluminum; combined shaped ... See more keywords
Study on the ignition mechanism of Ni-coated aluminum particles in air
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DOI: 10.1016/j.combustflame.2018.07.010
Abstract: Abstract Since aluminum responds to various oxidizers and has a high energy density, there are high expectations for its usefulness as a fuel. However, it is covered with an aluminum oxide film, which has a… read more here.
Keywords: ignition mechanism; coated aluminum; ignition; aluminum ... See more keywords
Regimes and critical conditions of detonation propagation in expanding channels in gas suspensions of ultrafine aluminum particles
Sign Up to like & getrecommendations! Published in 2021 at "Journal of Loss Prevention in the Process Industries"
DOI: 10.1016/j.jlp.2021.104476
Abstract: Abstract Regimes of detonation propagation in channels with linear expansion filled with monodisperse mixtures of oxygen and ultrafine aluminum particles of various loading are studied by methods of numerical simulations. The detonation combustion of submicron… read more here.
Keywords: detonation; aluminum particles; critical conditions; detonation propagation ... See more keywords
The effect of gas phase polydimethylsiloxane surface treatment of metallic aluminum particles: Surface characterization and flow behavior
Sign Up to like & getrecommendations! Published in 2017 at "Particuology"
DOI: 10.1016/j.partic.2016.05.010
Abstract: Abstract Aluminum particles were exposed to gaseous polydimethylsiloxane (PDMS) to produce a hydrophobic surface coating for enhanced flow and fluidity. Surface retention of the intact PDMS was confirmed through infrared and X-ray photoelectron spectroscopy. Transmission… read more here.
Keywords: surface treatment; surface; spectroscopy; aluminum ... See more keywords
Conductive switching behavior of epoxy resin/micron-aluminum particles composites
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DOI: 10.1515/epoly-2017-0164
Abstract: Abstract Epoxy resin (ER)/micron-aluminum particles (MP) composites with different filling concentration of spherical particles were fabricated. The nonlinear conductive behavior of ER/MP composites under increasing applied voltage using the improved V-I method was investigated. Under… read more here.
Keywords: particles composites; resin micron; epoxy resin; micron aluminum ... See more keywords
Study on the Transformation of Combustion Mechanism and Ejection Phenomenon of Aluminum Particles in Methane Flame
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DOI: 10.3390/en16104057
Abstract: In solid propellants, the combustion of aluminum particles often occurs in a hydrocarbon combustion atmosphere. In order to study the combustion energy release process of aluminum particles during propellant combustion, we carried out a study… read more here.
Keywords: phenomenon; flame; ejection; combustion ... See more keywords