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2019 | OriginalPaper | Chapter

Numerical Study of Reverse-Rotating Wave in the Hollow Rotating Detonation Engines

Authors : Xiang-Yang Liu, Yan-Liang Chen, Song-Bai Yao, Jian-Ping Wang

Published in: The Proceedings of the 2018 Asia-Pacific International Symposium on Aerospace Technology (APISAT 2018)

Publisher: Springer Singapore

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Abstract

This paper adopts the method of injection via an array of holes in three-dimensional numerical simulations of the rotating detonation engines (RDE) with hollow combustor using the premixed stoichiometric hydrogen-air mixture. The calculation is based on the Euler equations coupled with a one-step Arrhenius chemistry model. The array hole injection method is more practical than previous conventional simulations where ideal full area injection method is used. The wave structure of the flow field is composed of obverse-rotating waves (ORWs) propagating clockwise and reverse-rotating waves (RRWs) propagating counterclockwise. ORW is detonation wave (DW) near the outer solid wall while degenerate to shock wave (SW) near the nominally inner wall. This phenomenon is never found in the previse numerical studies.

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Metadata
Title
Numerical Study of Reverse-Rotating Wave in the Hollow Rotating Detonation Engines
Authors
Xiang-Yang Liu
Yan-Liang Chen
Song-Bai Yao
Jian-Ping Wang
Copyright Year
2019
Publisher
Springer Singapore
Book
The Proceedings of the 2018 Asia-Pacific International Symposium on Aerospace Technology (APISAT 2018)

Print ISBN: 978-981-13-3304-0

Electronic ISBN: 978-981-13-3305-7

Copyright Year: 2019

DOI
https://doi.org/10.1007/978-981-13-3305-7_134

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