Non-intrusive measurement techniques for flow characterization of hypersonic wind tunnels

PM Danehy, J Weisberger, C Johansen, D Reese… - 2018 - ntrs.nasa.gov
This manuscript describes the wide variety of optical measurement techniques for
characterizing the flow in hypersonic wind tunnels. The introduction briefly describes …

OH visualization of ethylene combustion modes in the exhaust of a fundamental, supersonic combustor

T Vanyai, WO Landsberg, TJ McIntyre… - Combustion and …, 2021 - Elsevier
This work examined combustion modes in a fundamental, axisymmetric, supersonic
combustor at flight equivalent Mach numbers ranging from 7.5 to 9.0. Ethylene was injected …

Ignition experiments of hydrocarbons in a Mach 8 shape-transitioning scramjet engine

ZJ Denman, WYK Chan, S Brieschenk… - Journal of Propulsion …, 2016 - arc.aiaa.org
The design and testing of a cavity flameholder in a Mach 8 rectangular-to-elliptical shape-
transitioning scramjet is presented. The experimental results presented are from the shock …

Characteristics of a cavity-stabilized hydrogen jet flame in a model scramjet combustor

C Liu, Z Wang, M Sun, H Wang, P Li - AIAA Journal, 2019 - arc.aiaa.org
The characteristics of a hydrogen jet flame in a one-sided divergent scramjet combustor are
investigated using both experiments and large-eddy simulations. Optical observations …

Development of a premixed combustion capability for dual-mode scramjet experiments

RD Rockwell, CP Goyne, H Chelliah… - Journal of Propulsion …, 2018 - arc.aiaa.org
Hypersonic airbreathing engines rely on scramjet combustion processes, which involve high-
speed, compressible, and highly turbulent reacting flows. The combustion environment and …

Structure and Stabilization Mechanisms of an Ethylene-Air Flame in Supersonic Co-Flow

NL Strahan, RT Geiger, WB DeVerter… - AIAA SCITECH 2025 …, 2025 - arc.aiaa.org
This work describes the characterization of flame stabilization mechanisms present in a
recirculation-stabilized ethylene-air flame in supersonic co-flow. OH-PLIF measurements are …

Continuous 500-Hz OH-PLIF measurements in a hydrogen-fueled scramjet combustor

J Peng, Z Cao, X Yu, S Yang, Y Yu, H Ren… - Frontiers in …, 2020 - frontiersin.org
In recent years, significant research attention has focused on scramjet bench-testing using
optical measurement techniques to obtain significant experimental data. The work aims to …

[HTML][HTML] Noise suppression method for hydroxyl tagging velocimetry based on generative adversarial networks

J Shao, J Wu, J Ye, Z Wu, Z Zhang, S Wang, G Li… - AIP Advances, 2022 - pubs.aip.org
Hydroxyl tagging velocimetry (HTV) technology is crucial in the velocimetry diagnosis of
combustion flow fields. However, obtaining accurate HTV information in practical …

[PDF][PDF] Laser-based combustion diagnostics

T Dreier, R Chrystie, T Endres… - Encyclopedia of analytical …, 2016 - academia.edu
2 ENVIRONMENT: TRACE GAS MONITORING of the spectroscopy underlying the
respective technique and the use of sophisticated equipment in order to obtain meaningful …

超声速火焰的3DLIF 可视化技术研究

袁勋, 于欣, 彭江波, 秦飞, 刘冰, 曹振, 高龙, 韩明宏 - 实验流体力学, 2022 - syltlx.com
为满足超燃冲压发动机燃烧诊断尤其是燃烧空间结构可视化的迫切需求, 亟需实现超声速火焰
三维测量. 三维激光诱导荧光(3DLIF) 技术作为一种立体测量技术具有超声速火焰三维测量的 …