Thomas Benoy
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View article: Tomographic imaging of carbon dioxide in the exhaust plume of largecommercial aero-engines
Tomographic imaging of carbon dioxide in the exhaust plume of largecommercial aero-engines Open
We report here the first implementation of chemically specific imaging in the exhaust plume of a gas turbine typical of those used for propulsion in commercial aircraft. The method used is chemical species tomography (CST) and the target s…
View article: A Custom, High-Channel Count Data Acquisition System for Chemical Species Tomography of Aero-Jet Engine Exhaust Plumes
A Custom, High-Channel Count Data Acquisition System for Chemical Species Tomography of Aero-Jet Engine Exhaust Plumes Open
The FLITES project (Fiber-Laser Imaging of gas Turbine Exhaust Species) aims to provide a video-rate imaging (100 fps) diagnostic tool for application to the exhaust plumes of the largest civil aero-jet engines. This remit, enabled by chem…
View article: Constrained models for optical absorption tomography
Constrained models for optical absorption tomography Open
We consider the inverse problem of concentration imaging in optical absorption tomography with limited data sets. The measurement setup involves simultaneous acquisition of near-infrared wavelength-modulated spectroscopic measurements from…
View article: Measurement of CO<sub>2</sub> Concentration and Temperature in an Aero Engine Exhaust Plume Using Wavelength Modulation Spectroscopy
Measurement of CO<sub>2</sub> Concentration and Temperature in an Aero Engine Exhaust Plume Using Wavelength Modulation Spectroscopy Open
In this paper, the 2f/1f tunable diode laser wavelength modulation technique is used for the simultaneous measurement of concentration and temperature of CO2 in the exhaust plume of an aero engine. The suitability of the R48 spectral featu…
View article: Recovery of Absorption Line Shapes With Correction for the Wavelength Modulation Characteristics of DFB Lasers
Recovery of Absorption Line Shapes With Correction for the Wavelength Modulation Characteristics of DFB Lasers Open
Tunable diode laser spectroscopy combined with wavelength modulation spectroscopy (WMS) is an important technique for noninvasive measurements of gas parameters such as pressure, concentration, and temperature in high-noise harsh environme…