Results 11 to 20 of about 2,288,028 (348)
Arc melting is one of the commonly-used melting methods in modern material manufacturing. The present study established a numerical model coupling the electric arc plasma, solid melting, and liquid flow together to simulate the steel ingot melting ...
Yuchao Chen +3 more
doaj +2 more sources
Steelmaking based on direct reduced iron (DRI, and its compacted derivative hot briquetted iron, HBI) is an anticipated important global alternative to current steel production based on FeOx reduction in blast furnaces due to its lower specific CO2 ...
M. Kirschen, T. Hay, T. Echterhof
semanticscholar +1 more source
The aim of this research work was the evaluation of the feasibility to utilize industrial by-products, such as electric arc furnace steel slags, for sustainable concrete production. The paper evaluated the environmental and mechanical properties of steel
Alessandra Diotti +4 more
semanticscholar +1 more source
A Support Vector machine-Based method for parameter estimation of an electric arc furnace model
In the iron and steel industry, electric arc furnaces (EAFs) are used in the melting and refining process of metals. They are known to demand large amounts of reactive power and cause significant power quality (PQ) problems due to their highly non-linear
J. Marulanda-Durango +3 more
semanticscholar +1 more source
The European Green Deal aims to make Europe climate neutral by 2050. This circumstance requires the metallurgical industry to move from carbon-based processes to hydrogen application.
U. Brandner +2 more
semanticscholar +1 more source
A Review of Mathematical Process Models for the Electric Arc Furnace Process
The electric arc furnace is the main process unit in scrap‐based steelmaking. Owing to its importance, numerous mathematical models for predicting the course of the electric arc furnace process have been developed.
T. Hay +3 more
semanticscholar +1 more source
Comparative Analysis of Optical Radiation Emitted by Electric Arc Generated at AC and DC Voltage
The article presents a comparison of the spectra of electromagnetic radiation emitted by an electric arc. The spectrum ranges from ultraviolet through visible light to near infrared.
Łukasz Nagi +2 more
doaj +1 more source
In the new era of increasingly electric aircraft, the need for reliable and safe electrical systems is more important than ever. In addition, the wide-scale adoption of dc distribution is considered a key enabling technology for more efficient aircraft ...
V. Psaras +8 more
semanticscholar +1 more source
INFLUENCE OF CHEMICAL COMPOUNDS ON THE FORMING OF ELECTRIC ARC
Purpose. The purpose of work is a comparative analysis of chemical compounds influence on the process of electric arc forming and condition of its burning. Methodology.
I. O. Vakulenko +2 more
doaj +1 more source
A high-current electric arc inside an electrical switchgear can be a source of danger to electrical equipment and technical personnel. The article shows that the use of hybrid connectors as an arc eliminator significantly shortens the time of electric ...
Karol Nowak +2 more
doaj +1 more source

