A review of femtosecond laser-induced emission techniques for combustion and flow field diagnostics

B Li, D Zhang, J Liu, Y Tian, Q Gao, Z Li - Applied Sciences, 2019 - mdpi.com
The applications of femtosecond lasers to the diagnostics of combustion and flow field have
recently attracted increasing interest. Many novel spectroscopic methods have been …

高超声速流场激光测速技术研究进展

栗继伟, 罗凯, 尚甲豪, 王业军, 汪球, 赵伟 - 力学学报, 2023 - lxxb.cstam.org.cn
高超声速气流条件下飞行器内/外部流动中存在**湍流及脉动, 边界层转捩, 激波-
边界层干扰和高温真实气体效应等耦合效应, 表征该非定常流动现象对飞行器气动力 …

Digital stereo-holographic microscopy for studying three-dimensional particle dynamics

H Byeon, T Go, SJ Lee - Optics and Lasers in Engineering, 2018 - Elsevier
A digital stereo-holographic microscopy (DsHM) with two viewing angles is proposed to
measure 3D information of microscale particles. This approach includes two volumetric …

Femtosecond laser-induced cyano chemiluminescence in methane-seeded nitrogen gas flows for near-wall velocimetry

B Li, D Zhang, X Li, Q Gao, Z Zhu… - Journal of Physics D …, 2018 - iopscience.iop.org
We demonstrate a velocimetric technique based on femtosecond laser-induced cyano (CN)
chemiluminescence (FLICC). High intensity emission originated from CN (BX) fluorescence …

[PDF][PDF] Molecular Tagging Velocimetry in Gases

RW Pitz, PM Danehy - Optical Diagnostics for Reacting and Non …, 2020 - ntrs.nasa.gov
In molecular tagging velocimetry (MTV), the laser “tags” the gas molecules along the laser
beam and the tagged molecules are tracked by time-of-flight to determine the gas velocity …

Resonant-enhanced multiphoton ionization of nitric oxide (NO) tagging velocimetry in a detonation-driven hypersonic shock tunnel

X Chen, K Luo, Y Wang, Q Wang, P Li, W Zhao - Physics of Fluids, 2024 - pubs.aip.org
This Letter demonstrates the use of long-lifetime NO fluorescence for molecular tagging
velocimetry (MTV) with (1+ 1) resonant-enhanced multiphoton ionization (REMPI) scheme …

Nitric oxide laser-induced fluorescence imaging methods and their application to study high-speed flows

R Sánchez-González, SW North - Frontiers and Advances in Molecular …, 2018 - Elsevier
The measurement of velocity and scalar quantities is critical to increase the knowledge base
to understand the behavior of fluid flows. The study of rapidly evolving fluid flows, particularly …

Velocimetry and thermometry in intermediate temperature flow using planar laser-induced fluorescence of OH from photo-dissociation of H2O

G Li, J Ye, Z Zhang, B Fang, S Wang, J Shao, Z Hu… - Experiments in …, 2020 - Springer
A technique for simultaneous velocimetry and thermometry in intermediate temperature flow
is developed by combining hydroxyl-tagging velocimetry (HTV) and two-line OH planar laser …

The role of near resonance electronic energy transfer on the collisional quenching of NO (A2Σ+) by C6H6 and C6F6 at low temperature

JD Winner, NA West, MH McIlvoy, ZD Buen… - Chemical Physics, 2018 - Elsevier
We present measurements of the collisional fluorescence quenching cross section of NO (A
2 Σ+) by benzene and hexafluorobenzene at a series of temperatures using a custom built …

Gas velocimetry based on infrared laser-induced fluorescence

Z Song, W Wang, N Zhu, X Chao - Physics of Fluids, 2021 - pubs.aip.org
A novel method for gas velocity field measurements by means of infrared molecular tagging
velocimetry is reported with proof-of-principle demonstration in a carbon dioxide (CO 2) …