In situ nanopowder combustion visualization using laser systems with brightness amplification
| Parent link: | Proceedings of the Combustion Institute Vol. 38, iss. 1.— 2021.— [P. 1695-1702] |
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| Autor Corporativo: | |
| Outros Autores: | , , , , , |
| Resumo: | Title screen In this paper, we report on an experimental demonstration of a new technique for real-time monitoring of the air combustion of aluminum-based nanopowders and mixtures. An optical system having a brightness amplifier is used for sample-surface imaging during high-temperature combustion. The main advantage of the laser-monitor application, compared with direct high-speed imaging, is the possibility of seeing through the intense glowing of a burning sample. Furthermore, the proposed laser monitor has an increased monitoring distance compared with known systems, which is provided by a mirror-imaging scheme applied to the laser monitor. The proposed technique allows real-time monitoring of high-temperature combustion processes accompanied by intensive lighting and product scattering at a distance of up to 50 cm from the optical system. The operation of the optical system is tested using both a quietly burning aluminum nanopowder and aluminum-based explosive mixtures. The combustion of a nanoAl+µAl+µFe powder mixture and aluminized blended propellant is visualized using a laser monitor for the first time. Режим доступа: по договору с организацией-держателем ресурса |
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2021
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| Acesso em linha: | https://doi.org/10.1016/j.proci.2020.08.048 |
| Formato: | Recurso Eletrônico Capítulo de Livro |
| KOHA link: | https://koha.lib.tpu.ru/cgi-bin/koha/opac-detail.pl?biblionumber=663470 |