MHz laser absorption spectroscopy via diplexed RF modulation for pressure, temperature, and species in rotating detonation rocket flows
A mid-infrared laser absorption sensing method has been developed to quantify gas
properties (temperature, pressure, and species density) at MHz measurement rates, with …
properties (temperature, pressure, and species density) at MHz measurement rates, with …
Laser-absorption-spectroscopy-based temperature and NH3-concentration time-history measurements during the oxidation processes of the shock-heated reacting …
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 …
energy carrier in the future transportation system. This study simultaneously measured the …
High-bandwidth absorption-spectroscopy measurements of temperature, pressure, CO, and HO in the annulus of a rotating detonation rocket engine
GC Mathews, MG Blaisdell, AI Lemcherfi… - Applied Physics B, 2021 - Springer
The development and application of two laser-absorption-spectroscopy diagnostics capable
of performing high-bandwidth measurements of (1) temperature, pressure, and CO, and (2) …
of performing high-bandwidth measurements of (1) temperature, pressure, and CO, and (2) …
Experimental study of the methane/hydrogen/ammonia and ethylene/ammonia oxidation: Multi-parameter measurements using a shock tube combined with laser …
Ammonia (NH 3) is a promising hydrogen carrier and carbon-free fuel, which can be
synthesized using renewable energy and has attracted increasing attention from both …
synthesized using renewable energy and has attracted increasing attention from both …
Extended tuning of distributed-feedback lasers in a bias-tee circuit via waveform optimization for MHz-rate absorption spectroscopy
Variations in injection-current waveform are examined using diplexed radio-frequency
modulation with continuous-wave distributed-feedback (CW-DFB) lasers, with the aim to …
modulation with continuous-wave distributed-feedback (CW-DFB) lasers, with the aim to …
Semi-empirical dipole moment of carbon monoxide and line lists for all its isotopologues revisited
VV Meshkov, AY Ermilov, AV Stolyarov… - Journal of Quantitative …, 2022 - Elsevier
The semi-empirical permanent electric dipole-moment function (DMF) for the ground state of
the CO molecule has been reconstructed analytically in the entire range of the inter-nuclear …
the CO molecule has been reconstructed analytically in the entire range of the inter-nuclear …
Near-GHz scanned-wavelength-modulation spectroscopy for MHz thermometry and HO measurements in aluminized fireballs of energetic materials
G Mathews, C Goldenstein - Applied Physics B, 2020 - Springer
This manuscript presents the development of a two-color laser-absorption-spectroscopy
(LAS) sensor capable of providing calibration-free measurements of temperature and H _2 2 …
(LAS) sensor capable of providing calibration-free measurements of temperature and H _2 2 …
Ultrafast laser-absorption spectroscopy for single-shot, mid-infrared measurements of temperature, CO, and CH4 in flames
This Letter describes the development of an ultrafast (ie, femtosecond), mid-infrared (mid-
IR), laser-absorption diagnostic and its initial application to measuring temperature, CO, and …
IR), laser-absorption diagnostic and its initial application to measuring temperature, CO, and …
Laser-based CO concentration and temperature measurements in high-pressure shock-tube studies of n-heptane partial oxidation
This paper presents a laser-based absorption technique for measuring temperature and CO
concentration in high-pressure shock tubes. Two fundamental vibrations of CO (v"= 0, P8 …
concentration in high-pressure shock tubes. Two fundamental vibrations of CO (v"= 0, P8 …
Simultaneous measurements of temperature, CO, and CO2 time-history in reacting n-heptane/O2/argon mixtures blended with diethyl ether behind reflected shock …
The temperature, CO, and CO 2 time-histories for the fuel-rich (equivalence ratio ϕ= 1.2 and
2.0) oxidation of n-heptane/diethyl ether/O 2/argon mixtures were measured simultaneously …
2.0) oxidation of n-heptane/diethyl ether/O 2/argon mixtures were measured simultaneously …