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Publishing Language: Chinese

Research progress on mixing and combustion performance of strut/cavity-based combustor

Zijian ZHAO, Chaoyang LIU, Wei HUANG( )
Hypersonic Technology Laboratory, College of Aerospace Engineering, National University of Defense Technology, Changsha 410073, China
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Abstract

Under hypersonic flight conditions, the residence time of fuel in the scramjet combustor is extremely short, while sufficient mixing, ignition, and stable combustion of fuel and oxidants are important issues for hypersonic propulsion. To improve the mixing and combustion performance of fuel in the combustion chamber, domestic and foreign researchers have introduced mixing and combustion stabilization devices such as struts, ramps, cavities, and backward steps into the combustor, and have obtained certain achievements. In previous studies, the recirculating zone formed by the strut and cavity in the flow field can achieve good mixing and combustion stabilization performance, receiving widespread attention and expansion. This paper reviews the recent research progress on strut, cavity, and strut-cavity combination configurations around the world, and explores the future development direction of related research.

Keywords

scramjetmixing enhancementflame stabilizationstrutcavity
CLC number: V43 Document code: A

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Acta Aeronautica et Astronautica Sinica
Volume 45 Issue 16,
August 2024
Article number: 029765
DOI: 10.7527/S1000-6893.2023.29765
Cite this article:
ZHAO Z, LIU C, HUANG W. Research progress on mixing and combustion performance of strut/cavity-based combustor. Acta Aeronautica et Astronautica Sinica, 2024, 45(16): 029765. https://doi.org/10.7527/S1000-6893.2023.29765

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Received: 25 October 2023
Revised: 01 November 2023
Accepted: 04 December 2023
Published: 08 December 2023
© 2024 The Journal of Acta Aeronautica et Astronautica Sinica
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