Cavity-based flameholding for chemically-reacting supersonic flows

FW Barnes, C Segal - Progress in Aerospace Sciences, 2015 - Elsevier
Recesses in the walls of supersonic combustion chambers–cavities–have emerged as a
preferred flameholding device since they are non-intrusive, hence resulting in reduced drag …

Review of cavity-stabilized combustion for scramjet applications

Z Wang, H Wang, M Sun - Proceedings of the Institution of …, 2014 - journals.sagepub.com
Cavities are widely used as flameholders in supersonic combustors due to their outstanding
potential to stabilize combustion without excessive total pressure loss. A review of cavity …

Lean blowoff behavior of cavity-stabilized flames in a supersonic combustor

H Wang, X Song, L Li, Y Huang, M Sun - Aerospace Science and …, 2021 - Elsevier
Experiments are performed to investigate the near blowoff characteristics of cavity-stabilized
flames in an ethylene-fueled scramjet combustor. Heated air enters the combustor with …

Single-shot volumetric laser induced fluorescence (VLIF) measurements in turbulent flows seeded with iodine

Y Wu, W Xu, Q Lei, L Ma - Optics express, 2015 - opg.optica.org
This work reports the experimental demonstration of single-shot visualization of turbulent
flows in all three spatial dimensions (3D) based on volumetric laser induced fluorescence …

Fundamental scramjet combustion experiments using hydrocarbon fuel

T Vanyai, S Grieve, O Street, Z Denman… - Journal of Propulsion …, 2019 - arc.aiaa.org
Combustion of ethylene was examined experimentally via semi-freejet testing of a
fundamental, axisymmetric combustor model at conditions representative of Mach 7–8 flight …

Development and testing of the ACT-1 experimental facility for hypersonic combustion research

D Baccarella, Q Liu, A Passaro, T Lee… - … Science and Technology, 2016 - iopscience.iop.org
A new pulsed-arc-heated hypersonic wind tunnel facility, designated as ACT-1 (Arc-heated
Combustion Test-rig 1), has been developed and built at the University of Notre Dame in …

Ignition dynamics of a pulse detonation igniter in a supersonic cavity flameholder

D Cuppoletti, T Ombrello, C Carter, S Hammack… - Combustion and …, 2020 - Elsevier
The dynamics of using a pulse detonation wave to ignite a supersonic cavity flameholder
was investigated. Fueling conditions ranging from lean to rich were investigated …

Comparison of 2D and 3D flame topography measured by planar laser-induced fluorescence and tomographic chemiluminescence

L Ma, Y Wu, W Xu, SD Hammack, T Lee, CD Carter - Applied optics, 2016 - opg.optica.org
The goal of this work was to contrast and compare the 2D and 3D flame topography of a
turbulent flame. The 2D measurements were obtained using CH-based (methylidyne radical …

Simultaneous CH3 and CH2O imaging in premixed turbulent flames for instantaneous flame structure visualization

M Wan, M Sun, G Wu, Q Gao, B Li, H Wang, Y Sun… - Acta Astronautica, 2022 - Elsevier
Photofragmentation laser-induced fluorescence (PF-LIF) of methyl radical (CH 3) and planar
laser-induced fluorescence (PLIF) of formaldehyde (CH 2 O) were simultaneously carried …

[PDF][PDF] 激光诱导荧光技术燃烧诊断的研究进展

朱家健, 万明罡, 吴戈, 闫博, 田轶夫, 冯戎… - Chinese Journal of …, 2021 - researching.cn
摘要激光诱导荧光(LIF) 技术具有非扰动, 实时原位测量, 组分选择性强, 灵敏度好,
时空分辨率高等优点, 可用于燃烧诊断中测量火焰的重要特征参数. 介绍了LIF …