Results 31 to 40 of about 193,238 (303)
Numerical simulations of arc plasma under external magnetic field-assisted gas metal arc welding
AIP 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
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Model and simulation investigation of the whole process of high-current vacuum arc burning
AIP Advances, 2021 With the development of the power industry and the increase in the capacity of power systems, vacuum switches have been developed rapidly. The distribution characteristics of the vacuum arc can reflect the working conditions of the vacuum switch.
Shuangwei Zhao +5 more
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Sheath parameters for non-Debye plasmas: simulations and arc damage [PDF]
, 2012 This paper describes the surface environment of the dense plasma arcs that damage rf accelerators, tokamaks and other high gradient structures. We simulate the dense, non-ideal plasma sheath near a metallic surface using Molecular Dynamics (MD) to ...
A. Anders +13 more
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Measurement of velocity and diameter of tungsten particles produced by arcing using high-speed video
Nuclear Materials and EnergyArcing is a mechanism of dust production and erosion in fusion devices. The masses and velocities of tungsten (W) particles produced by arcing is of special interest given that W is used as wall material in current experimental devices and is planned for
Alberto Castillo Castillo +7 more
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Investigation of the Short Argon Arc with Hot Anode, Part II: Analytical Model
, 2017 Short atmospheric pressure argon arc is studied numerically and analytically. In a short arc with inter-electrode gap of several millimeters non-equilibrium effects in plasma play important role in operation of the arc.
Kaganovich, I. D. +3 more
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Chemical Engineering Transactions, 2015 An experimental cleaning system for surface modification was developed. It consisted of a plasma torch with a DC power supply to generate an atmospheric pressure plasma arc, two field coils with an AC power supply to generate an external transverse ...
X.J. Dong, J.B. Meng, X.T. Wei, W.H. Liu
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Metals, 2022 Herein, a 2D unified model coupling a plasma arc–molten bath–cavity in a direct current electric arc furnace was developed for a characteristic analysis of the fluid flow and heating rate of the molten bath. The ‘local thermodynamic equilibrium–diffusion
Conglin Yao +3 more
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Unusual Cathode Erosion Patterns Observed for Steered Arc Sources
, 2014 A cathodic arc source with a magnetron-type magnetic field was investigated for stability, erosion, and compatibility with a linear macroparticle filter.
Anders, André, Kolbeck, Jonathan
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MetalsIn the keyhole variable polarity plasma arc weldng (VPPAW) process at horizontal position, the metal driven by gravity gathered on one side of the molten pool, and the weld formation is difficult, especially for thick workpiece welding.
Hongxing Zhao, Chunli Yang, Chenglei Fan
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Plasma-Pulsed GMAW Hybrid Welding Process of 6061 Aluminum and Zinc-Coated Steel
Crystals, 2023 A novel plasma-pulsed GMAW hybrid welding (plasma-GMAW-P) process is proposed for joining 6061 aluminum and zinc-coated steel. The results show that the change in welding heat input has little effect on the microstructure of the joint and the composition
Hongchang Zhang +7 more
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