[HTML][HTML] Laser sensors for energy systems and process industries: Perspectives and directions

A Farooq, ABS Alquaity, M Raza, EF Nasir… - Progress in Energy and …, 2022 - Elsevier
Sensors are perhaps the most important and integral components of our modern society.
With global warming and environmental pollution garnering ever-increasing attention, as …

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 …

Three-dimensional inhomogeneous temperature tomography of confined-space flame coupled with wall radiation effect by instantaneous light field

Z Niu, H Qi, B Gao, L Wei, Y Ren, M He… - International Journal of …, 2023 - Elsevier
Optical tomography has been demonstrated to be a powerful tool for the three-dimensional
(3D) measurement of the dynamic characteristics of turbulent flame. Many practical …

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 …

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 …

Deep neural network inversion for 3D laser absorption imaging of methane in reacting flows

C Wei, KK Schwarm, DI Pineda, RM Spearrin - Optics letters, 2020 - opg.optica.org
Mid-infrared laser absorption imaging of methane in flames is performed with a learning-
based approach to the limited view-angle inversion problem. A deep neural network is …

Multi-isotopologue laser absorption spectroscopy of carbon monoxide for high-temperature chemical kinetic studies of fuel mixtures

DI Pineda, FA Bendana, KK Schwarm… - Combustion and …, 2019 - Elsevier
A laser absorption diagnostic technique, probing the mid-infrared vibrational bands of 12 C
16 O and 13 C 16 O near 4.9 µm, was developed for sensitive multi-isotopologue …

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 …

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 …

Influence of line pair selection on flame tomography using infrared absorption spectroscopy

KP Cheong, L Ma, Z Wang, W Ren - Applied Spectroscopy, 2019 - journals.sagepub.com
We report the influence of absorption line selection on the tomographic results for high-
temperature flames by numerical and experimental methods. Different combinations of …