Two-dimensional visualization of induction zone in hydrogen detonations

SBR Chavez, KP Chatelain, DA Lacoste - Combustion and Flame, 2023 - Elsevier
The induction zone length is an important length scale for gaseous detonations, as it is
correlated with other characteristic parameters such as the cell size. A good characterization …

Induction zone length measurements by laser-induced fluorescence of nitric oxide in hydrogen-air detonations

SBR Chavez, KP Chatelain, DA Lacoste - Proceedings of the Combustion …, 2023 - Elsevier
This experimental study aims at presenting a proof-of-concept for induction zone length (Δ i)
measurements in H 2-air detonations by using the laser-induced fluorescence (LIF) of nitric …

Simultaneous planar laser-induced fluorescence of nitric oxide and hydroxyl radical with a single dye laser in hydrogen flames

KP Chatelain, G Wang, TF Guiberti - International Journal of Hydrogen …, 2024 - Elsevier
Simultaneous, planar laser-induced fluorescence (PLIF) of nitric oxide (NO) and hydroxyl
radical (OH) is evidenced with a single dye laser and two intensified CCD (ICCD) cameras …

Experimental study of nitric oxide distributions in non-premixed and premixed ammonia/hydrogen-air counterflow flames

H Tang, Z Al Hadi, TF Guiberti, W Sun, G Magnotti - Combustion and Flame, 2024 - Elsevier
This study reports an experimental investigation of quantitative Nitric Oxide (NO) distribution
in both premixed and non-premixed NH 3/H 2-air flames using a counterflow burner at …

Nitric oxide sensitization of hydrogen detonations

KP Chatelain, M Ali Cherif, SB Rojas Chavez… - AIAA SCITECh 2023 …, 2023 - arc.aiaa.org
View Video Presentation: https://doi. org/10.2514/6.2023-1877. vid This study investigates
the effect of nitric oxide (NO) sensitization on stoichiometric 2H2-O2-3.76 Ar and 2H2-O2 …

[HTML][HTML] Characterization of detonation waves by simultaneous OH and NO planar laser-induced fluorescence

SBR Chavez, KP Chatelain, M Alicherif… - Applications in Energy …, 2024 - Elsevier
This study presents a thorough evaluation of the simultaneous planar laser-induced
fluorescence (PLIF) on hydroxyl (OH) radicals and nitric oxide (NO), for characterizing …

[HTML][HTML] Evaluation of chemical kinetic models for simulations of hydrogen detonations by comparison with experimental data

V Sankar, KP Chatelain, DA Lacoste - Applications in Energy and …, 2025 - Elsevier
Two-dimensional numerical simulations of a weakly unstable detonation mixture 2 H 2+ O
2+ 3. 76 Ar at 20 kPa and 295 K were performed using our validated OpenFOAM solver …

Detonation cell size estimation via chemiluminescence imaging in an optically accessible linear detonation tube

BM Ng, ENA Hoffman, DI Pineda, CS Combs - Experiments in Fluids, 2024 - Springer
An optically based experimental approach for estimating detonation cell size of premixed
gas phase fuel–oxidizer mixtures in an optically accessible linear detonation tube is …

Experimental characterization of the cell cycle for multicellular detonations

M Alicherif, SBR Chavez, KP Chatelain, TF Guiberti… - Combustion and …, 2024 - Elsevier
The detonation front's unstable structure leads to an unsteady and three-dimensional (3D)
phenomenon that renders the study of the cell cycle challenging. Traditionally, fundamental …

Nitric oxide laser-induced fluorescence using the fifth harmonic of a broad-band Nd: YAG laser

T Bolderman, N Maes, N Dam - Applied Physics B, 2024 - Springer
We explore the prospects of laser-induced fluorescence diagnostics of nitric oxide (NO)
using non-tunable fifth-harmonic radiation of a broad-band, ns-pulsed Nd: YAG laser at λ …