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 …

[HTML][HTML] Mid-infrared tunable laser-based broadband fingerprint absorption spectroscopy for trace gas sensing: A review

Z Du, S Zhang, J Li, N Gao, K Tong - Applied sciences, 2019‏ - mdpi.com
The vast majority of gaseous chemical substances exhibit fundamental rovibrational
absorption bands in the mid-infrared spectral region (2.5–25 μm), and the absorption of light …

Tomographic laser absorption imaging of combustion species and temperature in the mid-wave infrared

C Wei, DI Pineda, CS Goldenstein, RM Spearrin - Optics express, 2018‏ - opg.optica.org
In this work, laser absorption spectroscopy techniques are expanded in spatial resolution
capability by utilizing a high-speed infrared camera to image flow fields backlit with tunable …

Machine learning applied to retrieval of temperature and concentration distributions from infrared emission measurements

T Ren, MF Modest, A Fateev, G Sutton, W Zhao, F Rusu - Applied Energy, 2019‏ - Elsevier
Inversion of temperature and species concentration distributions from radiometric
measurements involves solving nonlinear, ill-posed and high-dimensional problems …

Volumetric laser absorption imaging of temperature, CO and CO2 in laminar flames using 3D masked Tikhonov regularization

C Wei, KK Schwarm, DI Pineda, RM Spearrin - Combustion and Flame, 2021‏ - Elsevier
Mid-infrared laser absorption imaging of flame temperature and species concentration is
expanded to three dimensions with linear tomographic methods using Tikhonov …

Midinfrared Sensor system based on tunable laser absorption spectroscopy for dissolved carbon dioxide analysis in the South China Sea: System-level integration …

Z Liu, C Zheng, T Zhang, Y Li, Q Ren, C Chen… - Analytical …, 2020‏ - ACS Publications
System-level integration of a midinfrared carbon dioxide (CO2) sensor system based on
tunable laser absorption spectroscopy (TLAS) was realized for the analysis of dissolved …

Mid-infrared laser absorption tomography for quantitative 2D thermochemistry measurements in premixed jet flames

C Wei, DI Pineda, L Paxton, FN Egolfopoulos… - Applied Physics B, 2018‏ - Springer
A tomographic laser absorption spectroscopy technique, utilizing mid-infrared light sources,
is presented as a quantitative method to spatially resolve species and temperature profiles …

A novel online method incorporating computational fluid dynamics simulations and neural networks for reconstructing temperature field distributions in coal-fired …

W Xue, Z Tang, S Cao, M Lv, B Zhao, G Wang - Energy, 2024‏ - Elsevier
Abstract Three-dimensional (3D) reconstructions of temperature distributions can be used to
effectively design power plants and ensure production safety. Typically, 3D temperature …

2D mid-infrared laser-absorption imaging for tomographic reconstruction of temperature and carbon monoxide in laminar flames

RJ Tancin, RM Spearrin, CS Goldenstein - Optics Express, 2019‏ - opg.optica.org
This manuscript presents the design and initial application of a mid-infrared laser-absorption-
imaging (LAI) technique for two-dimensional (2D) measurements and tomographic …

Mid-infrared CO2 sensor with blended absorption features for non-uniform laminar premixed flames

Z Wang, W Wang, L Ma, P Fu, W Ren, X Chao - Applied Physics B, 2022‏ - Springer
We develop a novel mid-infrared CO2 absorption sensor exploiting spectrally blended
features to characterize thermochemical non-uniformity of laminar premixed flames. A new …