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2019 | OriginalPaper | Buchkapitel

Research on the Continuous Rotating Detonation Wave in a Hollow Chamber with Laval Nozzle

verfasst von : Shijie Liu, Hailong Zhang, Weidong Liu

Erschienen in: 31st International Symposium on Shock Waves 2

Verlag: Springer International Publishing

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Abstract

In the present study, H2/air CRD is achieved in a hollow chamber with Laval nozzle both experimentally and numerically. Three rotating patterns are obtained, which are one-wave, two dominant peak one-wave (TDPO), and two-wave modes, and the flow-field structure and effect of the nozzle contraction ratio are detailed. Both the propagation frequency and detonation wave number increase with the increase of equivalence ratio (ER) or nozzle contraction ratio. Shock wave reflection occurs at the nozzle converging section, and its upstream reflected shock wave will interact with the fresh mixture zone and inlet, leading to different rotating patterns and propagation characteristics.

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Metadaten
Titel
Research on the Continuous Rotating Detonation Wave in a Hollow Chamber with Laval Nozzle
verfasst von
Shijie Liu
Hailong Zhang
Weidong Liu
Copyright-Jahr
2019
DOI
https://doi.org/10.1007/978-3-319-91017-8_14

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