Infrared laser-absorption sensing for combustion gases
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 …
diagnosing and characterizing a wide range of combustion systems. Of all the laser …
Emission quantification via passive infrared optical gas imaging: A review
Passive infrared optical gas imaging (IOGI) is sensitive to toxic or greenhouse gases of
interest, offers non-invasive remote sensing, and provides the capability for spatially …
interest, offers non-invasive remote sensing, and provides the capability for spatially …
From ignition to stable combustion in a cavity flameholder studied via 3D tomographic chemiluminescence at 20 kHz
This work reports the study of the ignition processes in a Mach-2 cavity combustor based on
three-dimensional (3D) measurements at 20 kHz. The 3D measurements were obtained by …
three-dimensional (3D) measurements at 20 kHz. The 3D measurements were obtained by …
Simultaneous methane and acetylene detection using frequency-division multiplexed laser absorption spectroscopy
A dual-gas optical sensor was developed using frequency-division multiplexed (FDM)
scanned-wavelength modulation spectroscopy for simultaneous detection of methane (CH …
scanned-wavelength modulation spectroscopy for simultaneous detection of methane (CH …
Turbulence/chemistry interactions in a ramp-stabilized supersonic hydrogen–air diffusion flame
Hybrid large-eddy/Reynolds-averaged Navier–Stokes simulations of turbulence/chemistry
interactions occurring within a ramp-injected, hydrogen-fueled scramjet combustor are …
interactions occurring within a ramp-injected, hydrogen-fueled scramjet combustor are …
Noise immune TDLAS temperature measurement through spectrum shifting by using a Mach–Zehnder interferometer
L Xu, G Hou, S Qiu, A Huang… - IEEE Transactions on …, 2021 - ieeexplore.ieee.org
A noise immune temperature measurement method is proposed by using tunable diode
laser absorption spectroscopy (TDLAS). Noise immunity is achieved through spectrum …
laser absorption spectroscopy (TDLAS). Noise immunity is achieved through spectrum …
TDL-based spectroscopy for simultaneous measurement of multiple gas properties using a single absorption line
This study presents a single-line absorption spectroscopy method for the simultaneous
measurement of gas pressure and temperature through diode laser absorption spectroscopy …
measurement of gas pressure and temperature through diode laser absorption spectroscopy …
Multispecies midinfrared absorption measurements in a hydrocarbon-fueled scramjet combustor
IA Schultz, CS Goldenstein… - Journal of Propulsion …, 2014 - arc.aiaa.org
Spatially resolved laser absorption measurements of CO, CO 2, and H 2 O within an
ethylene-fueled direct-connect model scramjet combustor are presented. The sensors …
ethylene-fueled direct-connect model scramjet combustor are presented. The sensors …
Distribution of temperature, H2O and atomic potassium during entrained flow biomass combustion–Coupling in situ TDLAS with modeling approaches and ash …
Tunable diode laser absorption spectroscopy (TDLAS) is employed for simultaneous
detection of gas temperature, water vapor (H 2 O) and gas-phase atomic potassium, K (g), in …
detection of gas temperature, water vapor (H 2 O) and gas-phase atomic potassium, K (g), in …
A wavelength modulation spectroscopy-based methane flux sensor for quantification of venting sources at oil and gas sites
SA Festa-Bianchet, SP Seymour, DR Tyner… - Sensors, 2022 - mdpi.com
An optical sensor employing tunable diode laser absorption spectroscopy with wavelength
modulation and 2 f harmonic detection was designed, prototyped, and tested for applications …
modulation and 2 f harmonic detection was designed, prototyped, and tested for applications …