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Published in 2020 at "Aerospace Science and Technology"
DOI: 10.1016/j.ast.2019.105609
Abstract: Abstract In order to initiate the detonation waves efficiently, the ignition method of two jets was proposed and utilized to initiate the mixture of H2/Air in a detonation chamber. The numerical simulation based on H2/Air…
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Keywords:
detonation initiation;
detonation waves;
jet;
detonation ... See more keywords
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Published in 2020 at "Aerospace Science and Technology"
DOI: 10.1016/j.ast.2020.106421
Abstract: Abstract For fast detonation initiation, a novel compact initiator based on shock wave focusing has been proposed in our work. Two-dimensional numerical investigation was performed to understand the fast detonation initiation mechanism in hydrogen-air mixtures.…
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Keywords:
initiation;
energy;
detonation initiation;
ignition ... See more keywords
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Published in 2018 at "Combustion and Flame"
DOI: 10.1016/j.combustflame.2017.12.023
Abstract: Abstract Utilising a recently developed technique, involving high-speed schlieren photography shot through a soot-coated glass sheet, new details of the propagation of combustion waves in obstructed channels have been revealed. In this study, a channel…
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Keywords:
propagation;
detonation initiation;
channel;
detonation ... See more keywords
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Published in 2019 at "Combustion and Flame"
DOI: 10.1016/j.combustflame.2019.02.012
Abstract: Abstract Multidimensional numerical simulations were performed to study the interaction of focused shock waves and a flame front leading to detonation initiation. The fully compressible Navier–Stokes equations, coupled with a chemical-diffusive model for energy release…
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Keywords:
detonation;
detonation initiation;
shock focusing;
flame front ... See more keywords
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Published in 2017 at "Combustion Science and Technology"
DOI: 10.1080/00102202.2016.1225729
Abstract: ABSTRACT This article addresses the effect of hot jet condition on detonation initiation characteristics. Hot jets with different conditions were generated by changing the length of the pre-detonator. The change relationship between the detonation initiation…
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Keywords:
hot jet;
detonation initiation;
jet;
initiation characteristics ... See more keywords
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Published in 2021 at "Combustion Science and Technology"
DOI: 10.1080/00102202.2021.1893703
Abstract: Porous materials can be used for accidental explosion prevention and suppression in process industries. In this study, an experimental study was conducted to study the effect of an aluminum foam pl...
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Keywords:
behind aluminum;
aluminum foam;
detonation initiation;
aluminum ... See more keywords
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Published in 2022 at "Proceedings of the Institution of Mechanical Engineers, Part G: Journal of Aerospace Engineering"
DOI: 10.1177/09544100221107508
Abstract: In order to improve the performance of traditional ramjet, a ramjet based on pulse detonation (PD-Ramjet) instead of isobaric combustion was proposed. Several special-shaped detonation chambers which retained the characteristic structures of the dual-mode scramjet…
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Keywords:
detonation;
initiation process;
characteristic structures;
detonation initiation ... See more keywords