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2012
An electric arc is formed when a current passes between two conductors through a non-conducting medium like air. Although the phenomenon was discovered during early electrical experiments and utilised widely in lighting by the end of the nineteenth century, its problems were not fully understood. First published in 1902, this book represents one of the
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An electric arc is formed when a current passes between two conductors through a non-conducting medium like air. Although the phenomenon was discovered during early electrical experiments and utilised widely in lighting by the end of the nineteenth century, its problems were not fully understood. First published in 1902, this book represents one of the
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Arcing Faults in Electrical Equipment
IEEE Transactions on Industry Applications, 2009Electrical incidents that result in significant injuries to people are often the result of substantially unconstrained free-burning arcing fault currents within electrical equipment. It is necessary to understand the nature of these arcs and be able to quantify the parameters before it is possible to really comprehend what is actually happening inside ...
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Electric welding by the carbon arc
Journal of the A.I.E.E., 1930This paper discusses the butt welding of steel sheets by the carbon arc process. It explains first that autogenous welding is divided into two main classes, viz., gas and electric; that electric arc welding is divided into two classes, viz., metallic and carbon arc. Gas and metallic arc welding in general require beveling of plates for butt welds while
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Identification of the electric arc of a furnace
1997This study allows comparing two competitive modelling techniques to identify the electric arc dynamics of a furnace. The first technique relies on a linear kRX model whereas the second one relies on a non linear ARX model built from a MLP neural network.
Corinne Ledoux, François Bonnard
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Journal of the A.I.E.E., 1929
The origin of flames from arcs is considered. Their low dielectric strength is attributed to ionization, and their rate of recovery of normal dielectric strength is computed. The large influence of temperature is brought out. Computations are given and experiments described which show how flames can be reduced by passing the arc gases through narrow ...
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The origin of flames from arcs is considered. Their low dielectric strength is attributed to ionization, and their rate of recovery of normal dielectric strength is computed. The large influence of temperature is brought out. Computations are given and experiments described which show how flames can be reduced by passing the arc gases through narrow ...
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Enhancement of Electric Arc Furnace Dust by Recycling to Electric Arc Furnace
Journal of Environmental Engineering, 2002Electric arc furnace (EAF) dust is a hazardous waste product of the steelmaking industry with a high concentration of heavy metals, especially Zn and Pb. Existing treatment processes are industrially viable only when the zinc content is sufficiently high. In this research we present an industrial-scale process to enhance EAF dust by recycling it to the
Félix A. López, Aurora López-Delgado
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Journal of the American Medical Association, 1941
In the fabrication of heavier metal products, welding already has extensively replaced bolts and rivets. Automobiles, trucks, ships, tanks, refrigerators, bridges and road machinery are representative of products now manufactured with welding as the chief means for uniting metallic parts.
STUART F. MEEK +2 more
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In the fabrication of heavier metal products, welding already has extensively replaced bolts and rivets. Automobiles, trucks, ships, tanks, refrigerators, bridges and road machinery are representative of products now manufactured with welding as the chief means for uniting metallic parts.
STUART F. MEEK +2 more
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Journal of Physics D: Applied Physics, 1998
A two-dimensional numerical model is used to investigate cataphoresis (demixing driven by electrical fields) in free-burning arcs in mixtures of argon with helium, hydrogen, nitrogen and oxygen at atmospheric pressure. The method of inclusion of electrical field effects in the combined diffusion coefficient treatment of diffusion and demixing is ...
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A two-dimensional numerical model is used to investigate cataphoresis (demixing driven by electrical fields) in free-burning arcs in mixtures of argon with helium, hydrogen, nitrogen and oxygen at atmospheric pressure. The method of inclusion of electrical field effects in the combined diffusion coefficient treatment of diffusion and demixing is ...
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1968
Publisher Summary This chapter discusses the electric arcs. Electric arcs are widely used for the study of atomic constants and parameters. Principally the strong radiation and the fact that most arc sources are in the regime of local thermal equilibrium have made them important research tools in quantitative spectroscopy, specifically for the study ...
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Publisher Summary This chapter discusses the electric arcs. Electric arcs are widely used for the study of atomic constants and parameters. Principally the strong radiation and the fact that most arc sources are in the regime of local thermal equilibrium have made them important research tools in quantitative spectroscopy, specifically for the study ...
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Electric Arc Motion in the Arc Chute
Elektrichestvo, 2017Stanislav Mikhailovich APOLLONSKII +1 more
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