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April 16, 2015 (v1)PublicationUploaded on: March 27, 2023
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July 21, 2020 (v1)Publication
The UV-visible spectroscopyin the range from190 to 320 nm wasutilizedtodetectthe ozone formation, in wire-to-cylindercorona reactorwithnegativepolarity. The effectof N2+O2 mixture on ozone production has been investigated. The maximum production of ozone was already corresponding to 70% of oxygen in the gas mixture forany applied voltage...
Uploaded on: March 27, 2023 -
February 27, 2015 (v1)Publication
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Uploaded on: December 4, 2022 -
April 27, 2018 (v1)Publication
The problem of the propagation of an electrical discharge between a spherical electrode and a plane has been solved by means of finite element methods (FEM) using a fluid approximation and assuming weak ionization and local equilibrium with the electric field. The numerical simulation of this type of problems presents the usual difficulties of...
Uploaded on: March 27, 2023 -
July 21, 2020 (v1)Publication
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Uploaded on: December 4, 2022 -
July 27, 2023 (v1)Publication
Research on corona wind generation has been increasing in recent years because of its potential technological applications, particularly those related to improving heat transfer in small-scale devices. Since numerical simulations play a key role in the design of these applications, computationally efficient modeling of corona discharge is...
Uploaded on: October 18, 2023 -
January 15, 2024 (v1)Publication
Carbon negative emission technologies (NETs) such as CO2 direct air capture (DAC) are being already considered as necessary for climate change mitigation. This paper investigates CO2 capture at room temperature and atmospheric pressure by a fluidized bed of Ca(OH)2 powder as influenced by the relative humidity (RH) to which this sorbent was...
Uploaded on: January 17, 2024 -
January 15, 2024 (v1)Publication
The spatial distribution of charged particles (electrons, negative ions and positive ions) and electric field have been evaluated using a semi-analytical approach of the positive and negative corona discharge for a wire-to-plate electrode system. Thus, approximate formulas useful for the characterization and control of corona discharge devices...
Uploaded on: January 17, 2024 -
January 15, 2024 (v1)Publication
The electrohydrodynamic air flow generated by a positive corona discharge, and its effect on the spatial distribution of chemical species within a wire-plate corona reactor, have been numerically simulated. The computational model is based on the solutions of the Navier- Stokes equation and the continuity equation of each chemical species...
Uploaded on: January 17, 2024 -
July 21, 2020 (v1)Publication
Carbon dioxide decomposition in mixtures of CO2and O2has been experimentally investigatedusing dielectric barrier discharge, with special interest on O3and COproductions. Experiments have been conducted at different frequencies and operating voltages, and the concentration of O3and COhave been measured by means of absorption...
Uploaded on: March 27, 2023 -
September 22, 2023 (v1)Publication
Positive wire-to-cylinder corona discharge in pure CO2 has been simulated using a model that includes elementary plasma processes (ionization, electron attachment and detachment, ion recombination, etc.) and chemical reactions between neutral species. The plasma chemistry model is included in the continuity equations of species, which are...
Uploaded on: October 11, 2023 -
November 27, 2014 (v1)Publication
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Uploaded on: March 27, 2023 -
July 21, 2020 (v1)Publication
An experimental investigation has been conducted to study corona discharge in a narrow tube. Narrow or capillary corona discharge (dis- charge tube diameter d = 1 to 20 mm) is used for many industrial applications such as flue gas cleaning corona induced plasma reactors, ion sources and electrohydrodynamic heat exchangers. In this work,...
Uploaded on: December 4, 2022 -
April 30, 2018 (v1)Publication
A multi-species model consisting of seven species has been implemented to simulate the generation and development of Trichel pulses in oxygen between a sphere (the cathode) and a plane (the anode). The spatial and temporal evolution of species is obtained by solving the continuity equations of species using a classical one-dimensional model of...
Uploaded on: March 27, 2023 -
May 2, 2018 (v1)Publication
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Uploaded on: December 4, 2022 -
January 15, 2024 (v1)Publication
The plasma chemical splitting of carbon dioxide (CO2) to produce carbon monoxide (CO) in a pulsed corona discharge was investigated from both an experimental and a numerical standpoint. High voltage nanosecond pulses were applied to a stream of pure CO2 and its mixture with argon, and the gaseous products were identified using Fourier transform...
Uploaded on: January 17, 2024 -
July 21, 2020 (v1)Publication
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Uploaded on: December 4, 2022 -
July 21, 2020 (v1)Publication
The generation of ozone in a coaxial wire-cylinder corona discharge reactor has been experimentally investigated using variable proportions (5% to 90%) of oxygen in nitrogen. The experiments have been carried out under negative polarity and using different gas flow rates (50 cm3/min to 200 cm3/min). The...
Uploaded on: December 4, 2022 -
May 2, 2018 (v1)Publication
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Uploaded on: December 5, 2022 -
April 30, 2018 (v1)Publication
Positive corona discharge in mixtures of CO2 and N2 has been experimentally investigated using a coaxial wire-to-cylinder corona discharge reactor. Special attention has been paid to the stability of the corona current and to the generation of ozone and nitrogen oxides in time, which are influenced by the applied voltage and the ratio of CO2:N2...
Uploaded on: December 4, 2022 -
July 21, 2020 (v1)Publication
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Uploaded on: March 27, 2023 -
July 21, 2020 (v1)Publication
The decomposition of CO2 by the effect of negative corona discharge has been experimentally and numerically investigated for different admixtures of N2. The chemical kinetics model used in the simulation includes a wide variety of reactions between electrons, ions, atoms and molecules, such as ionization and recombination, ...
Uploaded on: March 27, 2023