Tunable diode laser absorption spectroscopy based temperature measurement with a single diode laser near 1.4 μm

X Liu, Y Ma - Sensors, 2022 - mdpi.com
The rapidly changing and wide dynamic range of combustion temperature in scramjet
engines presents a major challenge to existing test techniques. Tunable diode laser …

Quantitative gas property measurements by filtered Rayleigh scattering: a review

CR Ground, RL Hunt, GJ Hunt - Measurement Science and …, 2023 - iopscience.iop.org
Filtered Rayleigh scattering (FRS) is a laser-based diagnostic technique used to
nonintrusively quantify various thermodynamic properties of a light-scattering gas. The …

Vented flame quenching mechanism and overpressure prediction model in aluminum dust explosions

Z Lu, W Gao, H Jiang, S Jin, Z Nie, F Zhao - International Journal of …, 2025 - Elsevier
The study explores the heat transfer mechanism during the aluminum dust flameless
venting, and examines the influence of Fe-Ni foam on pressure evolution process. The …

High-precision 2D surface phosphor thermometry at kHz-rates during flame-wall interaction in narrow passages

AO Ojo, D Escofet-Martin, B Peterson - Proceedings of the Combustion …, 2023 - Elsevier
This work demonstrates high-speed 2D wall temperature measurements occurring during
flame-wall interaction (FWI) within a narrow channel. Such measurements are essential to …

High-speed 1-D and 2-D Raman scattering measurement for quantitative characterization of transient hydrogen jets

B Wu, H Wu, MB Houidi, P Sharma, E Cenker… - Proceedings of the …, 2024 - Elsevier
This paper reports the first quantitative characterization of transient hydrogen (H 2) jets
issued from a single-hole injector into nitrogen (N 2), using high-speed 1-D and 2-D Raman …

Dual color, frequency, pulse duration and shape agile laser system for particle spectroscopy and manipulation

J Bak, R Randolph, A Gerakis - Optics Express, 2022 - opg.optica.org
A dual color, frequency and pulse duration agile laser system, capable of delivering laser
pulses in arbitrary temporal profiles with∼ 1 ns to∼ 1 µs pulse duration, chirping rates of∼ …

[HTML][HTML] High-pressure gallium seeder for atomic fluorescence measurements

TF Guiberti, M Pesarini, R Zamchii, S Kumar… - Applications in Energy …, 2024 - Elsevier
This work presents the design and testing of a seeder based on laser ablation capable of
introducing gallium particles into a gaseous flow at elevated pressures typical of that found …

Time-resolved thermometric investigation of flame quenching between parallel flat plates

AM Mahuthannan, Y Krishna, G Magnotti, WL Roberts… - Fuel, 2021 - Elsevier
Understanding the quenching of flames by cold surfaces requires an accurate
characterization of heat transfer. This study presents time resolved thermometry of flame …

One-dimensional interferometric Rayleigh scattering velocimetry using a virtually imaged phased array

Y Krishna, X Luo, G Magnotti - Optics Letters, 2021 - opg.optica.org
One-dimensional interferometric Rayleigh scattering velocimetry is demonstrated using a
virtually imaged phased array (VIPA). A continuous-wave laser emitting at 532 nm is used as …

Development of a Rayleigh–Brillouin scattering spectrometer for fast high-gas-temperature measurements

S Pi, T Wu, H Yan, J Yang, C Ye, X He - Optics Letters, 2024 - opg.optica.org
We proposed a Rayleigh–Brillouin scattering (RBS) spectrometer based on a virtually
imaged phased array (VIPA) for fast measurements of high-gas temperature. We measured …