Low sliding angles in hydrophobic and oleophobic coatings prepared with plasma discharge method

Ozone is a compound that has many benefits and roles in the development of science and technology. Ozone can be used for sterilization, removing color, deodorizing, and breaking down organic compounds. Ozone can be generated by several methods, including plasma discharge and plasma dielectric barrier discharge (DBDP). In the plasma discharge method high voltage electricity is required to break down oxygen molecules into oxygen ions which will form ozone. High voltage can be generated by using a DC Tesla coil. The advantages of DC Tesla coil compared to other high voltage generators are that it can generate high voltages with a simple system, only requires a small space, and does not cost a lot of money. Based on experiments carried out the deposition of ozone which is generated by several factors, including ozonation time, oxygen flow rate, and high voltage.

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Fabrication of Nanoparticles by Electric Discharge Plasma in Liquid

Archives of Metallurgy and Materials ◽

10.2478/amm-2013-0011 ◽

2013 ◽

Vol 58 (2) ◽

pp. 425-429 ◽

Cited By ~ 11

Author(s):

S. Yatsu ◽

H. Takahashi ◽

H. Sasaki ◽

N. Sakaguchi ◽

K. Ohkubo ◽

...

Keyword(s):

Discharge Plasma ◽

High Resolution Electron Microscopy ◽

Plasma Discharge ◽

Nanoscale Particles ◽

Resolution Electron ◽

Si Nanoparticles ◽

Oxidation Layers ◽

Discharge Method ◽

Microstructural Surface

The electric plasma discharge method involves the application of a voltage between a cathode and anode in a conductive electrolytic solution to create a discharge plasma at the cathode. When certain material is used as the cathode, small droplets are emitted with the plasma discharge, and the melted droplets are rapidly cooled in the solution to form nanoscale particles of the material. In this work, nanoparticles of Al, Au, Si, and various alloys of between 100 nm and less than 10 nm in size were produced and characterized. Characterization of Si nanoparticles is especially important because their use in lithium batteries greatly influences battery performance. It was found by high resolution electron microscopy and microstructural surface analysis that oxidation layers of a few nm in thickness were formed on the surface of the Si nanoparticles.

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POSITIVE COLUMN CONSTRICTION IN CESIUM PLASMA DISCHARGE

Le Journal de Physique Colloques ◽

10.1051/jphyscol:1979767 ◽

1979 ◽

Vol 40 (C7) ◽

pp. C7-137-C7-138

Author(s):

G. Musa ◽

A. Popescu ◽

N. Niculescu

Keyword(s):

Positive Column ◽

Plasma Discharge ◽

Cesium Plasma

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REDUCED MODEL OF PLASMA DISCHARGE CONTROL IN TOKAMAK WITH IRON CORE

Computational nanotechnology ◽

10.33693/2313-223x-2020-7-3-11-22 ◽

2020 ◽

Vol 7 (3) ◽

pp. 11-22

Author(s):

VALERY ANDREEV ◽

◽

ALEXANDER POPOV

Keyword(s):

Optimal Control ◽

Inverse Problem ◽

Optimal Control Problem ◽

Control Problem ◽

Nonlinear Behavior ◽

Plasma Discharge ◽

Reduced Model ◽

Iron Core ◽

Power Sources ◽

Real Power

A reduced model has been developed to describe the time evolution of a discharge in an iron core tokamak, taking into account the nonlinear behavior of the ferromagnetic during the discharge. The calculation of the discharge scenario and program regime in the tokamak is formulated as an inverse problem - the optimal control problem. The methods for solving the problem are compared and the analysis of the correctness and stability of the control problem is carried out. A model of “quasi-optimal” control is proposed, which allows one to take into account real power sources. The discharge scenarios are calculated for the T-15 tokamak with an iron core.

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Effect of Three Phase Superposed Discharge Method on Ozone Generation

IEEJ Transactions on Fundamentals and Materials ◽

10.1541/ieejfms1990.119.8-9_1084 ◽

1999 ◽

Vol 119 (8-9) ◽

pp. 1084-1089 ◽

Cited By ~ 3

Author(s):

Haruo Kishida ◽

Masafumi Tamura ◽

Yoshiyasu Ehara ◽

Tairo Ito

Keyword(s):

Ozone Generation ◽

Three Phase ◽

Discharge Method

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SYNTHESIS OF HYDROGEN IN ACOUSTOPLASMA DISCHARGE IN A LIQUID-PHASE STREAM

Alternative Energy and Ecology (ISJAEE) ◽

10.15518/isjaee.2019.01-03.042-048 ◽

2019 ◽

pp. 42-48 ◽

Cited By ~ 2

Author(s):

N. A. Bulychev

Keyword(s):

Liquid Phase ◽

Organic Compounds ◽

Electrode Materials ◽

Solid Phase ◽

Plasma Discharge ◽

Raw Material ◽

Two Phase ◽

Reduced Pressure ◽

External Power Source ◽

Phase Medium

In this paper, the plasma discharge in a high-pressure fluid stream in order to produce gaseous hydrogen was studied. Methods and equipment have been developed for the excitation of a plasma discharge in a stream of liquid medium. The fluid flow under excessive pressure is directed to a hydrodynamic emitter located at the reactor inlet where a supersonic two-phase vapor-liquid flow under reduced pressure is formed in the liquid due to the pressure drop and decrease in the flow enthalpy. Electrodes are located in the reactor where an electric field is created using an external power source (the strength of the field exceeds the breakdown threshold of this two-phase medium) leading to theinitiation of a low-temperature glow quasi-stationary plasma discharge.A theoretical estimation of the parameters of this type of discharge has been carried out. It is shown that the lowtemperature plasma initiated under the flow conditions of a liquid-phase medium in the discharge gap between the electrodes can effectively decompose the hydrogen-containing molecules of organic compounds in a liquid with the formation of gaseous products where the content of hydrogen is more than 90%. In the process simulation, theoretical calculations of the voltage and discharge current were also made which are in good agreement with the experimental data. The reaction unit used in the experiments was of a volume of 50 ml and reaction capacity appeared to be about 1.5 liters of hydrogen per minute when using a mixture of oxygen-containing organic compounds as a raw material. During their decomposition in plasma, solid-phase products are also formed in insignificant amounts: carbon nanoparticles and oxide nanoparticles of discharge electrode materials.

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