An improved study of the uniformity of laminar premixed flames using laser absorption spectroscopy and CFD simulation

L Ma, KP Cheong, H Ning, W Ren - Experimental Thermal and Fluid …, 2020 - Elsevier
We performed a combined experimental and numerical study of the flame uniformity for a
standard McKenna burner by investigating the spatially-resolved temperature and species …

Soot particle size distribution, regulated and unregulated emissions of a diesel engine fueled with palm oil biodiesel blends

JC Ge, NJ Choi - Energies, 2020 - mdpi.com
In this study, five fuels including pure diesel (B0), pure palm oil biodiesel (B100), and their
blends (B10, B20, and B30) were investigated in relation to soot particle distribution and …

A Comprehensive Review of Optical Systems for Soot Volume Fraction Measurements in Co-Flow Laminar Flames: Laser-Induced Incandescence (LII) and Laser …

Y Wu, Z Zhang, WS Chai, L Zhou - Combustion Science and …, 2023 - Taylor & Francis
ABSTRACT Laser-Induced Incandescence (LII) has been widely acknowledged as a highly
effective method for measuring soot in co-flow laminar flames. Conversely, quantitative …

Effect of Adding N2/H2O to Ethylene Laminar Diffusion Flame on Soot Formation

G Luo, Y Zhang, B Liu, B Xu… - Journal of Energy …, 2024 - asmedigitalcollection.asme.org
The method of adding exhaust gas to fuel to reduce soot and NO X is called Exhaust Gas
Recirculation (EGR). This paper was carried out to investigate the effect of adding N 2 and H …

Simultaneous detection of soot, temperature, and C2H2 in laminar premixed flames using a multi-pass diode laser absorption spectrometer

W Huang, G Gao, M Zhang, S Ruan, T Cai - Optics Express, 2024 - opg.optica.org
We report the development of a multi-pass diode laser absorption spectroscopy system for
simultaneous measurements of soot volume fraction (SVF), temperature, and C_2H_2 …

Infrared spectral soot emission for robust and high-fidelity flame thermometry

L Ma, W Du, D Wen, Y Wang - Optics Letters, 2023 - opg.optica.org
Spectral soot emission (SSE) in the visible spectrum is a popular technique for non-intrusive
thermometry in sooting flames. However, its accuracy is restricted by uncertainties in the …

Simultaneous detection of K, KOH, and KCl in flames and released from biomass using photofragmentation TDLAS

E Thorin, K Zhang, D Valiev, FM Schmidt - Optics Express, 2021 - opg.optica.org
Gaseous potassium (K) species released from biomass during thermochemical conversion
pose challenges to reactors and human health. Photofragmentation tunable diode laser …

Efficient and robust CNN-LSTM prediction of flame temperature aided light field online tomography

ZT Niu, H Qi, AT Sun, YT Ren, MJ He… - Science China …, 2024 - Springer
Light field tomography, an optical combustion diagnostic technology, has recently attracted
extensive attention due to its easy implementation and non-intrusion. However, the …

Cavity-enhanced dual-comb spectroscopy for sensitive OH detection in a laminar premixed flame

H Sun, D Wen, KP Cheong, L Ma, K Ni… - Proceedings of the …, 2024 - Elsevier
We demonstrate cavity-enhanced dual-comb spectroscopy for OH detection in a laminar
premixed CH 4/Air flame using a pair of electro-optic (EO) frequency combs in the near …

[HTML][HTML] Multispectral infrared absorption spectroscopy for quantitative temperature measurements in axisymmetric laminar premixed sooting flames

L Ma, K Duan, KP Cheong, C Yuan, W Ren - Case Studies in Thermal …, 2021 - Elsevier
Multispectral infrared absorption spectroscopy was developed for in situ, non-intrusive and
quantitative measurements of temperature distributions in laminar premixed ethylene/air …