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Related papers: Water activation using Ar-H$_2$ atmospheric pressu…

200 papers

Plasma accelerators utilize strong electric fields in plasma waves to accelerate charged particles, making them a compact alternative to radiofrequency technologies. Discharge capillaries are plasma sources used in plasma accelerator…

The term "Active Plasma Resonance Spectroscopy" (APRS) denotes a class of related techniques which utilize, for diagnostic purposes, the natural ability of plasmas to resonate on or near the electron plasma frequency $\omega_{\rm pe}$: A…

Plasma Physics · Physics 2015-06-16 Jens Oberrath , Ralf Peter Brinkmann

This brief communication reports a new method for generation of cold atmospheric pressure plasma jet at the downstream end of a flexible plastic tube. The device consists of a small chamber where dielectric barrier discharge (DBD) is…

Plasma Physics · Physics 2014-11-17 Konstantin G. Kostov , Munemasa Machida , Vadym Prysiazhnyi

There is a growing interest in the study of plasma-liquid interactions with application to biomedicine, chemical disinfection, agriculture, and other fields. This work models the momentum, heat, and neutral species mass transfer between gas…

Plasma Physics · Physics 2015-12-14 Alexander Lindsay , Carly Anderson , Elmar Slikboer , Steven Shannon , David Graves

$^{37}$Ar is a promising candidate for complementing radioxenon isotopes as indicators of underground nuclear explosions. This study evaluates its potential anthropogenic background caused by emissions from commercial pressurised water…

Instrumentation and Detectors · Physics 2020-06-05 Gerald Kirchner , Franziska Gerfen , Anna Heise , Timo Schlüschen

Water bath calorimetry was used to demonstrate one more peculiar phenomenon associated with a certain class of mixed gas plasmas termed resonant transfer, or RT plasmas. Specifically, He/H2 (10%) (500 mTorr), Ar/H2 (10%) (500 mTorr), and…

Plasma Physics · Physics 2009-11-10 J. Phillips , R. L. Mills , X. Chen

This study explores a green pathway for urea synthesis using plasma-ice interaction with gas mixtures of N2 + CO2 and NH3 + CO2. Electrical and optical emission spectroscopy were employed to characterize the plasmas, revealing that urea…

Plasma Physics · Physics 2024-06-25 Vikas Rathore , Vyom Desai , Nirav I. Jamnapara , Sudhir Kumar Nema

Idealized merging argon plasma jets are simulated in 2D using both gas dynamic and MHD models. Results indicate that peak pressures of several hundred kilobar can be achieved for high Mach number jets. Including a simple optically thin…

Plasma Physics · Physics 2010-07-30 John Loverich , Ammar Hakim

Cold atmospheric plasma treatments have been applied on lenses seeds and shoots to improve their germination and vigor rates. Two approaches have been considered: direct plasma exposure and plasma activation of liquids (tap water,…

Other Quantitative Biology · Quantitative Biology 2018-02-27 T. Dufour , S. Zhang , S. Simon , A. Rousseau

We demonstrate a new gas-based OH generation source using a low power RF-driven atmospheric pressure plasma configured to deliver the radical flux into the far effluent region, well away from interference from other plasma factors such as…

Plasma Physics · Physics 2023-02-08 Harold McQuaid , David Rutherford , Davide Mariotti , Paul Maguire

A combination of experiments and extensive modelling, including a chemical kinetics analysis, was performed for a CO$_2$/H$_2$O plasma in a dielectric barrier discharge. This provides a better understanding of the mechanisms related to the…

Chemical Physics · Physics 2016-06-15 Ramses Snoeckx , Alp Ozkan , Robby Aerts , Thierry Dufour , François Reniers , Annemie Bogaerts

The term Active Plasma Resonance Spectroscopy (APRS) denotes a class of related techniques which utilize, for diagnostic purposes, the natural ability of plasmas to resonate on or near the electron plasma frequency: A radio frequent signal…

Plasma Physics · Physics 2015-06-19 Jens Oberrath , Ralf Peter Brinkmann

A new dual plasma coating process to produce platinum-free catalysts for the oxygen reduction reaction in a fuel cell is introduced. The catalysts thus produced were analysed with various methods. Electrochemical characterisation was…

Pin-to-liquid discharges are investigated for the activation of liquids dedicated to agriculture applications. They are characterized through their electrical and optical properties, with a particular attention paid to their filaments and…

Plasma Physics · Physics 2018-02-08 S. Zhang , A. Rousseau , T. Dufour

In this work, coupled optical and electrical discharge measurements have been implemented to investigate the plasma state of a reactive HiPIMS TiO$_2$ deposition process running at a fixed duty cycle of 2% and at a repetition rate of 1 kHz.…

Plasma Physics · Physics 2024-04-10 D Boivin , R Jean-Marie-Désirée , A Najah , S Cuynet , L de Poucques

Cold air plasma typically generates reactive oxygen and nitrogen species (RONS), which are transported into water to produce plasma-activated water (PAW). This study examines the effect of PAW produced by three different plasma systems on…

Plasma Physics · Physics 2025-11-18 Ramin Mehrabifard , Adriana Misuthova , Zdenko Machala

Plasma kinetics of molecular hydrogen in the electrical discharge in Ar/CH3OH/H2O mixture is theoretically investigated for the first time. It is researched the dependence of [H2] on the breakdown field, the discharge power, solution…

Plasma Physics · Physics 2010-07-21 Dmitry Levko

We performed self-consistent modeling of the atmospheric-pressure plasmas produced by arc discharges. Special numerical procedure for coupling of the plasma current, emission current, ion current, sheath voltage drop, heat fluxes at…

This paper presents the results of an experimental study of a new hybrid plasmatron scheme, which was used to realize a gas discharge at atmospheric pressure supported by continuous focused submillimeter radiation with a frequency of 263…

In the Jovian atmosphere, the trace species are detected for the first time after the collision of comet Shoemaker-Levy 9 near 44$^\circ$S in July 1994. Most of these trace species are detected with spectroscopic millimeter/submillimeter…

Earth and Planetary Astrophysics · Physics 2021-04-09 Arijit Manna , Sabyasachi Pal