Soot formation in laminar counterflow flames

Y Wang, SH Chung - Progress in Energy and Combustion Science, 2019 - Elsevier
Many practical soot-emitting combustion systems such as diesel and jet engines rely on
diffusion flames for efficient and reliable operation. Efforts to mitigate soot emissions from …

Laser-induced incandescence: Particulate diagnostics for combustion, atmospheric, and industrial applications

HA Michelsen, C Schulz, GJ Smallwood… - Progress in Energy and …, 2015 - Elsevier
The understanding of soot formation in combustion processes and the optimization of
practical combustion systems require in situ measurement techniques that can provide …

Revealing soot maturity based on multi-wavelength absorption/emission measurements in laminar axisymmetric coflow ethylene diffusion flames

J Yon, JJ Cruz, F Escudero, J Morán, F Liu… - Combustion and …, 2021 - Elsevier
A novel diagnostic is proposed to characterize the maturity of soot particles in a laminar
axisymmetric coflow ethylene diffusion flame in terms of the spectral dependence of soot …

Advanced laser-based techniques for gas-phase diagnostics in combustion and aerospace engineering

A Ehn, J Zhu, X Li, J Kiefer - Applied spectroscopy, 2017 - journals.sagepub.com
Gaining information of species, temperature, and velocity distributions in turbulent
combustion and high-speed reactive flows is challenging, particularly for conducting …

Temperature measurements in metalized propellant combustion using hybrid fs/ps coherent anti-Stokes Raman scattering

SP Kearney, DR Guildenbecher - Applied optics, 2016 - opg.optica.org
We apply ultrafast pure-rotational coherent anti-Stokes Raman scattering (CARS) for
temperature and relative oxygen concentration measurements in the plume emanating from …

Post-detonation fireball thermometry via femtosecond-picosecond coherent anti-Stokes Raman Scattering (CARS)

DR Richardson, SP Kearney… - Proceedings of the …, 2021 - Elsevier
Accurate knowledge of post-detonation fireball temperatures is important for understanding
device performance and for validation of numerical models. Such measurements are difficult …

Spline-based Abel Transform (SAT) radial property reconstruction for noise and trapping correction: Application to axisymmetric sooting flames

M Littin, A Poux, G Lefevre, M Mazur, F Escudero… - Fuel, 2024 - Elsevier
In combustion research, optical diagnostics often necessitate Abel inversion to deconvolve
the measurements of axisymmetric flames, especially to determine local soot temperature …

Estimation of soot absorption function via the two separated pulses laser-induced incandescence technique

G Guy, C Betrancourt, B Franzelli - Applied Physics B, 2023 - Springer
An original in situ experimental approach is proposed to estimate the absorption function of
soot particles in flames: the two separated pulses laser-induced incandescence technique …

Laser-induced incandescence particle image velocimetry (LII-PIV) for two-phase flow velocity measurement

L Fan, D McGrath, CT Chong, MN Mohd Jaafar… - Experiments in …, 2018 - Springer
We demonstrate the use of laser-induced incandescence (LII) of submicron tungsten carbide
(WC) particles as a method for particle image velocimetry (PIV). The technique allows a …

Effects of repetitive pulsing on multi-kHz planar laser-induced incandescence imaging in laminar and turbulent flames

JB Michael, P Venkateswaran, CR Shaddix… - Applied Optics, 2015 - opg.optica.org
Planar laser-induced incandescence (LII) imaging is reported at repetition rates up to 100
kHz using a burst-mode laser system to enable studies of soot formation dynamics in highly …