2D imaging of absolute methyl concentrations in nanosecond pulsed plasma by photo-fragmentation laser-induced fluorescence

D van den Bekerom, C Richards… - Plasma Sources …, 2022 - iopscience.iop.org
The methyl radical plays a central role in plasma-assisted hydrocarbon chemistry but is
challenging to detect due to its high reactivity and strongly pre-dissociative electronically …

[HTML][HTML] High-speed planar laser-induced fluorescence investigation of nitric oxide generated by hypersonic Mach reflections for computational fluid dynamics …

BS Leonov, TS Dean, CM Limbach, RD Bowersox… - Physics of …, 2023 - pubs.aip.org
In this article, the authors present an experimental investigation of the thermochemical
relaxation regions downstream of symmetric Mach reflections generated in Mach 8.5 flows …

Spectroscopic Characterization of a High-Enthalpy Plasma Arcjet Tunnel

KE Samuels, D Baccarella - AIAA SCITECH 2023 Forum, 2023 - arc.aiaa.org
View Video Presentation: https://doi. org/10.2514/6.2023-2517. vid The characterization and
quantification of thermochemical properties in high-enthalpy wind tunnels are a current …

Cryogenic to high temperature measurements in gas flows by femtosecond laser-induced CN luminescence

L Han, Q Gao, B Li, Z Li - Measurement, 2024 - Elsevier
Temperature is a crucial parameter of gas flow fields. Here, we present a novel thermometry
technique for gas flow based on femtosecond laser-induced cyano (CN) luminescence …

Photofragmentation laser-induced fluorescence imaging of CH3 by structured illumination in a plasma discharge

S Nilsson, J Ravelid, J Park, MS Cha, A Ehn - Optics Express, 2024 - opg.optica.org
Methyl is crucial in plasma-assisted hydrocarbon chemistry, making precise in situ imaging
essential for understanding various plasma applications. Its importance in methane …

Mechanism of nonequilibrium plasma-enhanced ignition in the event of dual-pulse laser energy deposition

R Mahamud - Journal of Physics D: Applied Physics, 2022 - iopscience.iop.org
Abstract A two-dimensional (2D) and three-temperature mathematical model for dual-pulse
laser (DPL) ignition was applied to study the mechanism of the nonequilibrium plasma …