Results 11 to 20 of about 58,048 (311)

Modeling of arc in convective shock wave composite system and analysis of its plasma running characteristics

open access: yesAIP Advances, 2021
The plasma arc caused by lightning overvoltage can significantly degrade the power grid reliability. Thus, it is essential to design an efficient arc extinguishing system.
Ping Huang   +5 more
doaj   +1 more source

Spatiotemporally resolved characteristics of arc plasma in non-thermal multi-arc generator at atmospheric pressure

open access: yesAIP Advances, 2021
The spatiotemporally resolved characteristics of arc plasma in a non-thermal multi-arc generator with three high-voltage electrodes and a common grounded one were investigated by means of arc current signal, discharge image signal, and image analysis ...
Y. J. Huang, Q. F. Lin
doaj   +1 more source

Characteristics of Welding and Arc Pressure in the Plasma–TIG Coupled Arc Welding Process

open access: yesMetals, 2018
In this article, a novel hybrid welding process called plasma-TIG (Tungsten Inert Gas welding) coupled arc welding was proposed to improve the efficiency and quality of welding by utilizing the full advantage of plasma and TIG welding processes.
Bo Wang   +4 more
doaj   +1 more source

Analysis of Electrical Characteristics of Inter-wire Arc in Cross-Coupling Arc

open access: yesChinese Journal of Mechanical Engineering, 2019
As a new composite welding heat source introduced in recent years, the cross-coupling arc uses a non-consumable electrode arc (plasma arc) and a consumable electrode arc (inter-wire arc) in cross-coupling, in which the plasma arc is the main arc and the ...
Zhenyang Lu   +3 more
doaj   +1 more source

Thermodynamic of Liquid Iron Ore Reduction by Hydrogen Thermal Plasma

open access: yesMetals, 2018
The production of iron using hydrogen as a reducing agent is an alternative to conventional iron- and steel-making processes, with an associated decrease in CO2 emissions.
Masab Naseri Seftejani, Johannes Schenk
doaj   +1 more source

Ti–6Al–4V alloy deposition characteristics at electrode-negative polarity in the cold metal transfer–gas metal arc process

open access: yesJournal of Materials Research and Technology, 2022
Although wire arc additive manufacturing (WAAM) of Ti alloys using gas metal arc yields a high deposition rate, cathode spots exhibit unstable behavior.
Tae Hyun Lee   +3 more
doaj   +1 more source

Optical fiber imaging for high speed plasma motion diagnostics: applied to low voltage circuit breakers [PDF]

open access: yes, 2010
An integrated portable measurement system is described for the study of high speed and high temperature unsteady plasma flows such as those found in the vicinity of high current switching arcs.
Tribulato, G.   +9 more
core   +1 more source

Steam Plasma Flows Generated in Gerdien Arc: Environment for Energy Gas Production from Organics and for Surface Coatings

open access: yesJournal of Fluid Science and Technology, 2011
Electric arc stabilized by a vortex of water (Gerdien arc) is used in a special type of plasma torch for generation of thermal plasma jet with extreme plasma parameters.
Milan HRABOVSKY
doaj   +1 more source

The influence of ethanol addition on the spatial emission distribution of traces in a vertical argon stabilized DC arc plasma [PDF]

open access: yesJournal of the Serbian Chemical Society, 2004
The plasma of a vertical argon stabilized DC arc at atmospheric pressure is applied as a spectrochemical source. The lateral distributions of relative spectral line intensities of some trace elements (Zn, Pt, Cd, Mg, Ca and Al) introduced into the plasma
MARIJA TODOROVIC   +2 more
doaj   +3 more sources

Numerical simulations of arc plasma under external magnetic field-assisted gas metal arc welding

open access: yesAIP Advances, 2020
The arc plasma behavior for gas metal arc welding (GMAW) with an external compound magnetic field was numerically investigated. A three-dimensional finite element model for the external magnetic field (EMF) and a three-dimensional finite volume model for
Lin Wang   +3 more
doaj   +1 more source

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