Infrared laser-absorption sensing for combustion gases

CS Goldenstein, RM Spearrin, JB Jeffries… - Progress in Energy and …, 2017 - Elsevier
Infrared laser-absorption spectroscopy (IR-LAS) sensors play an important role in
diagnosing and characterizing a wide range of combustion systems. Of all the laser …

Recent advances in laser absorption and shock tube methods for studies of combustion chemistry

RK Hanson, DF Davidson - Progress in Energy and Combustion Science, 2014 - Elsevier
Recent advances in laser absorption and shock tube methodologies for studies of
combustion chemistry are reviewed. First the principles of shock tube operation are …

Tunable diode laser spectroscopy as a technique for combustion diagnostics

MA Bolshov, YA Kuritsyn, YV Romanovskii - Spectrochimica Acta Part B …, 2015 - Elsevier
Tunable diode laser absorption spectroscopy (TDLAS) has become a proven method of
rapid gas diagnostics. In the present review an overview of the state of the art of TDL-based …

Probing dissolved CO2(aq) in aqueous solutions for CO2 electroreduction and storage

J Li, J Guo, H Dai - Science Advances, 2022 - science.org
CO2 dissolved in aqueous solutions CO2 (aq) is important to CO2 capture, storage, photo-
/electroreduction in the fight against global warming and to CO2 analysis in drinks. Here, we …

Mercury telluride quantum dot based phototransistor enabling high-sensitivity room-temperature photodetection at 2000 nm

M Chen, H Lu, NM Abdelazim, Y Zhu, Z Wang, W Ren… - ACS …, 2017 - ACS Publications
Near-to-mid-infrared photodetection technologies could be widely deployed to advance the
infrastructures of surveillance, environmental monitoring, and manufacturing, if the detection …

Laser-absorption-spectroscopy-based temperature and NH3-concentration time-history measurements during the oxidation processes of the shock-heated reacting …

D He, D Zheng, Y Du, J Li, Y Ding, Z Peng - Combustion and Flame, 2022 - Elsevier
As a carbon-free fuel, NH 3 has been considered as a potential and promising alternative
energy carrier in the future transportation system. This study simultaneously measured the …

Simultaneous sensing of temperature, CO, and CO2 in a scramjet combustor using quantum cascade laser absorption spectroscopy

RM Spearrin, CS Goldenstein, IA Schultz, JB Jeffries… - Applied Physics B, 2014 - Springer
A mid-infrared laser absorption sensor was developed for gas temperature and carbon
oxide (CO, CO 2) concentrations in high-enthalpy, hydrocarbon combustion flows. This …

Retrieval of gas concentrations in optical spectroscopy with deep learning

L Tian, J Sun, J Chang, J **a, Z Zhang, AA Kolomenskii… - Measurement, 2021 - Elsevier
A novel direct absorption spectroscopy gas sensing system based on end-to-end deep
neural networks was proposed for measurements of gas concentration. One-dimensional …

Dependence of calculated postshock thermodynamic variables on vibrational equilibrium and input uncertainty

MF Campbell, KG Owen, DF Davidson… - … of Thermophysics and …, 2017 - arc.aiaa.org
The purpose of this article is to explore the dependence of calculated postshock
thermodynamic properties in shock tube experiments upon the vibrational state of the test …

Non-uniform temperature and species concentration measurements in a laminar flame using multi-band infrared absorption spectroscopy

LH Ma, LY Lau, W Ren - Applied Physics B, 2017 - Springer
We report in situ measurements of non-uniform temperature, H 2 O and CO 2 concentration
distributions in a premixed methane–air laminar flame using tunable diode laser absorption …