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2023 | OriginalPaper | Chapter

Analysis on the Second Ignition Phenomenon Induced by Shock Wave Focusing in a 90° Conical Reflector

Authors : Yuanchang Li, Bo Zhang

Published in: Proceedings of the International Conference on Aerospace System Science and Engineering 2021

Publisher: Springer Nature Singapore

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Abstract

The shock wave focusing is a promising detonation initiation method that can greatly shorten the deflagration to detonation transition distance. In this work, we conducted experiments under the constant operating pressure in a conical reflector to explore the shock focusing induced ignition in CH4/O2/Ar mixture. The second ignition is formed in the conical reflector under certain conditions. The introduction of the second ignition brings a higher pressure peak after ignition. By adjusting the incident shock intensity, three modes of ignition are found in the conical reflex. The pressure peak of combustion and the time to induce the second ignition are systematically investigated.

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Metadata
Title
Analysis on the Second Ignition Phenomenon Induced by Shock Wave Focusing in a 90° Conical Reflector
Authors
Yuanchang Li
Bo Zhang
Copyright Year
2023
Publisher
Springer Nature Singapore
Book
Proceedings of the International Conference on Aerospace System Science and Engineering 2021

Print ISBN: 978-981-16-8153-0

Electronic ISBN: 978-981-16-8154-7

Copyright Year: 2023

DOI
https://doi.org/10.1007/978-981-16-8154-7_8

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