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Simulation of High Current Vacuum Arc with Hybrid Cathode Attachment
AbstractA model of the hybrid cathode attachment of a high-current vacuum arc with a characteristic average current density at the cathode of 10 5 –10 6 ...
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Vacuum Plasmatrons with Hollow Cathode: Gas-Dynamic Plasma Processes in the Hollow Cathode
AbstractIt is shown that it is necessary for vacuum plasmatron with hollow cathode to meet the technical requirements to the hollow cathode pipeline...
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Lifetime of Cathode Spots on the Surface of Titanium upon Excitation of a Microplasma Discharge
AbstractThe structure of glow of the microplasma discharge (MPD) initiated in vacuum by a pulsed flow of external plasma on the surface of a titanium...
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Cathode Plasma Expansion at Early Vacuum Arc at Pulsed Plasma Emission
The paper focuses on the kinetic modeling of the vacuum arc initiation at the pulse-periodic plasma emission from the cathode surface. A comparative...
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Electrophysical and Thermal Processes under Discharge Burning Conditions with a Liquid (Nonmetallic) Cathode
AbstractThe results of experimental studies and numerical calculations of the parameters of an electric discharge with a liquid (nonmetallic) cathode...
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Control of the Electron Beam Density Distribution on the Collector in Sources with a Grid Plasma Cathode Based on a Low-Pressure Arc
AbstractAn experimental and theoretical study is carried out to control the distribution of electron beam current density in a SOLO source with a...
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Cathode Spot Jets. Velocity and Ion Current
Analysis of the experimental works published previously shows the presence of relatively large forces and as result generation of the high-velocity...
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Cathode Spot Motion in Magnetic Fields
The near-cathode phenomena in electrical arcsMagnetic field spot motion theory such as spot motion and spot dynamics, especially in a magnetic field,...
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Arc and Cathode Spot Dynamics and Current Density
In this chapter, the arc definition and the experimental data characterizing the cathode spot including arc voltage, cathode voltage, threshold...
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Gasdynamic Theory of Cathode Spot. Mathematically Closed Formulation
According to the considered analysis in above chapters, the cathode spotCathode spot theory is a complicated subject that is difficult to investigate...
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Cathode Spot Theories. History and Evolution of the Mechanisms
An electrical dischargeCathode spot in vacuum or in low pressure ambient gas can be supported if enough charge particles are generated in the...
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Cathode Spot Motion in a Transverse and in an Oblique Magnetic Field
Different aspects of experimental investigation of cathode spot motion in a vacuum arc under transverse- and oblique-oriented magnetic fields will be...
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Numerical Simulation of an Electron Beam Source with a Plasma Cathode and Effect of Source Parameters on Electron Emission
AbstractThe results of numerical simulation by PIC codes of an electron beam source based on a plasma emitter are presented. A cell of a...
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Application of Cathode Spot Theory for Arcs Formed in Technical Devices
One of the important issuesCathode spot is the electrical arc initiation and development in devices with flowing plasmas or in high-pressure systems....
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A Study of Transient Processes in a High-Current Vacuum-Arc Anode Spot Using High-Speed Spectroscopy and Videorecording
The processes of plasma formation in the anode region of a high-current vacuum arc discharge are of high importance in terms of improving the...
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Magnetoplasmadynamic acceleration of solid body in a railgun
A physical model and a mathematical approach were developed to describe ponderomotive acceleration a body pushed by plasma column of high-current arc...
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Numerical Study of the Dynamics of an Electron Avalanche in the Forming Cathode Sheath of a Self-Sustained Volume Discharge
AbstractThe dynamics of an electron avalanche starting from the flat cathode surface and from the tops of microtips of different heights on the...
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Laser Probe Investigations of the Initial Stage of Spark Discharge in Air in the Tip (Cathode)–Plane Gap
AbstractA spark discharge in a 1.5-mm-long tip (cathode)-plane gap in the time interval from the breakdown onset to 200 ns has been studied. Тhe...
