Power concentration determined by thermodynamic properties in complex gas mixtures: the case of plasma-based dry reforming of methane

O Biondo, A Hughes, A van de Steeg… - Plasma Sources …, 2023 - iopscience.iop.org
We investigate discharge contraction in a microwave plasma at sub-atmospheric pressure,
operating in CO 2 and CO 2/CH 4 mixtures. The rise of the electron number density with …

[HTML][HTML] Modelling forward vortex flow in a microwave plasma

PWC Groen, WA Bongers, JFJ Janssen… - Chemical Engineering …, 2025 - Elsevier
In this paper, 3D, turbulent fluid models of a CO 2, forward vortex, microwave plasma are
presented. The high temperature (3000–7000 K), heterogeneous plasma is modelled as a …

Redefining the Microwave Plasma-Mediated CO2 Reduction Efficiency Limit: The Role of O–CO2 Association

A van de Steeg, P Viegas, A Silva… - ACS Energy …, 2021 - ACS Publications
Reduction of CO2 to CO for sustainable fuel production is studied in high-temperature (>
3500 K) microwave plasma. Raman scattering and chemical kinetics modeling reveal …

Fast O Atom Exchange Diagnosed by Isotopic Tracing as a Probe of Excited States in Nonequilibrium CO2–CO–O2 Plasmas

AS Morillo-Candas, BLM Klarenaar… - The Journal of …, 2023 - ACS Publications
Oxygen exchange kinetics in CO2–O2 and CO–O2 low-temperature RF plasmas are
investigated by isotope tracing. Starting from C16O2–18O2 and C16O–18O2 gas mixtures …

Charged particle kinetics and gas heating in CO2 microwave plasma contraction: comparisons of simulations and experiments

L Vialetto, AW van de Steeg, P Viegas… - Plasma Sources …, 2022 - iopscience.iop.org
This work investigates kinetics and transport of CO 2 microwave plasmas through simulation
results from a 1D radial fluid model and experiments. Simulation results are validated …

Energy partitioning in N2 microwave discharges: integrated Fokker–Planck approach to vibrational kinetics and comparison with experiments

M Altin, P Viegas, L Vialetto… - Plasma Sources …, 2022 - iopscience.iop.org
This work investigates energy transfers between electrons, vibrational and translational
degrees of freedom and their effect on dissociation mechanisms in a N 2 microwave plasma …

The Chemical Origins of Plasma Contraction and Thermalization in CO2 Microwave Discharges

AW Van de Steeg, L Vialetto, AFS Silva… - The Journal of …, 2022 - ACS Publications
Thermalization of electron and gas temperature in CO2 microwave plasma is unveiled with
the first Thomson scattering measurements. The results contradict the prevalent picture of an …

Resolving discharge parameters from atomic oxygen emission

P Viegas, L Vialetto, AW van de Steeg… - Plasma Sources …, 2021 - iopscience.iop.org
A method is proposed to spatially resolve discharge parameters from experimental
measurements of emission intensity and 1D numerical simulations including an O atom …

Flame bands: CO+ O chemiluminescence as a measure of gas temperature

G Raposo, AW Van de Steeg, ER Mercer… - Journal of Physics D …, 2021 - iopscience.iop.org
Carbon monoxide flame band emission (CO+ O→ CO 2+ hν) in CO 2 microwave plasma is
quantified by obtaining absolute calibrated emission spectra at various locations in the …

[PDF][PDF] Modelling of plasma for CO2 conversion: electron kinetics, chemistry and transport

L Vialetto - 2021 - research.tue.nl
The Intergovernmental Panel on Climate Change (IPCC) states that some of the greatest
global challenges are related to energy and environmental problems [1]. Moreover, there is …