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 …

Tomographic absorption spectroscopy for the study of gas dynamics and reactive flows

W Cai, CF Kaminski - Progress in energy and combustion science, 2017 - Elsevier
Optical imaging techniques are ubiquitous for the resolution of non-uniformities in gas flows.
Planar imaging techniques such as laser-induced fluorescence are well established and …

Laser absorption spectroscopy for combustion diagnosis in reactive flows: A review

C Liu, L Xu - Applied Spectroscopy Reviews, 2019 - Taylor & Francis
Laser absorption spectroscopy (LAS) has been rapidly developed and widely applied to
combustion diagnosis in recent decades. As a cost-effective tool for measuring multiple …

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 …

Fitting of calibration-free scanned-wavelength-modulation spectroscopy spectra for determination of gas properties and absorption lineshapes

CS Goldenstein, CL Strand, IA Schultz, K Sun… - Applied …, 2014 - opg.optica.org
The development and initial demonstration of a scanned-wavelength, first-harmonic-
normalized, wavelength-modulation spectroscopy with nf detection (scanned-WMS-nf/1f) …

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) …

High-bandwidth scanned-wavelength-modulation spectroscopy sensors for temperature and H2O in a rotating detonation engine

CS Goldenstein, CA Almodóvar… - Measurement …, 2014 - iopscience.iop.org
The design and use of two-color tunable diode laser (TDL) absorption sensors for
measurements of temperature and H 2 O in a rotating detonation engine (RDE) are …

Diode-laser measurements of linestrength and temperature-dependent lineshape parameters for H2O transitions near 1.4 μm using Voigt, Rautian, Galatry, and speed …

CS Goldenstein, RK Hanson - Journal of Quantitative Spectroscopy and …, 2015 - Elsevier
Linestrengths and lineshapes for 7 H 2 O absorption transitions in the ν 1+ ν 3 combination
band near 1.4 μm were measured at high resolution using tunable diode laser absorption. H …

Advanced laser-based techniques for gas-phase diagnostics in combustion and aerospace engineering

A Ehn, J Zhu, X Li, J Kiefer - Applied spectroscopy, 2017 - journals.sagepub.com
Gaining information of species, temperature, and velocity distributions in turbulent
combustion and high-speed reactive flows is challenging, particularly for conducting …

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 …