[HTML][HTML] Recent advances in the characterization of gaseous and liquid fuels by vibrational spectroscopy

J Kiefer - Energies, 2015 - mdpi.com
Most commercial gaseous and liquid fuels are mixtures of multiple chemical compounds. In
recent years, these mixtures became even more complicated when the suppliers started to …

Scalar structure in turbulent non-premixed NH3/H2/N2 jet flames at elevated pressure using Raman spectroscopy

H Tang, C Yang, G Wang, Y Krishna, TF Guiberti… - Combustion and …, 2022 - Elsevier
This work presents the first quantitative Raman measurements of temperature, mass
fractions, and mixture fractions in two turbulent ammonia/hydrogen/nitrogen-air diffusion jet …

Design and characterization of a Raman-scattering-based sensor system for temporally resolved gas analysis and its application in a gas turbine power plant

J Kiefer, T Seeger, S Steuer, S Schorsch… - Measurement …, 2008 - iopscience.iop.org
A sensor system for fast gas composition analysis is presented. Using linear Raman
scattering the simultaneous detection of virtually all components of fuel gas mixtures such as …

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 …

Raman/Rayleigh scattering and CO-LIF measurements in laminar and turbulent jet flames of dimethyl ether

F Fuest, RS Barlow, JY Chen, A Dreizler - Combustion and Flame, 2012 - Elsevier
To reduce the impact of combustion of fossil fuels on air quality and climate change,
dimethyl ether (DME) is a promising alternative diesel fuel candidate. Technical combustion …

Demonstration of a signal enhanced fast Raman sensor for multi‐species gas analyses at a low pressure range for anesthesia monitoring

S Schlüter, F Krischke… - Journal of Raman …, 2015 - Wiley Online Library
The spontaneous Raman scattering technique is an excellent tool for a quantitative analysis
of multi‐species gas mixtures. It is a noninvasive optical method for species identification …

Improving sensitivity in nonlinear Raman microspectroscopy imaging and sensing

R Arora, GI Petrov, J Liu… - Journal of biomedical …, 2011 - spiedigitallibrary.org
Nonlinear Raman microspectroscopy based on a broadband coherent anti-Stokes Raman
scattering is an emerging technique for noninvasive, chemically specific, microscopic …

Regulating guanidinium-based hybrid materials for ultraviolet nonlinear optical applications by hybrid strength and hybrid pattern

X Liu, L Kang, Z Lin - Inorganic Chemistry, 2021 - ACS Publications
Combining the advantages of organic and inorganic motifs, organic–inorganic hybrid
materials can exhibit excellent nonlinear optical (NLO) performance. In this article, through …

Interference free spontaneous Raman spectroscopy for measurements in rich hydrocarbon flames

G Magnotti, D Geyer, RS Barlow - Proceedings of the Combustion Institute, 2015 - Elsevier
The capability to simultaneously acquire two orthogonal components of a Raman spectrum
has been added to the Sandia Raman/Rayleigh/CO-LIF instrument for combustion …

Natural Gas Analysis Using Polarized Raman Spectroscopy

D Petrov, I Matrosov - Analytical Chemistry, 2023 - ACS Publications
Raman spectroscopy is a promising tool for measuring the composition of natural gas.
However, to obtain high measurement accuracy, it is necessary to take into account changes …