Fei Zhao, Rong Zhu
Herein, a supersonic combustion coherent jet is proposed based on current coherent jet technology to improve the impact capacity of a coherent jet and increase the stirring intensity of the electric arc furnace (EAF) bath. Further, numerical simulations and an experimental analysis are combined to study the supersonic combustion coherent jet characteristics, including the Mach number, dynamic pressure, static temperature, vorticity, and turbulence intensity, in the EAF steelmaking environment. The results show that the supersonic combustion coherent jet exhibits stable combustion in a high-temperature EAF steelmaking environment. The supersonic combustion flame generated by the supersonic shrouding fuel gas can envelope the main oxygen jet more effectively than current coherent jets. Furthermore, the velocity attenuation, vorticity, and turbulence intensity performances of the supersonic combustion coherent jet are better when compared with those of the current coherent jet. The velocity core length of the main oxygen jet for the supersonic combustion coherent jet is 30% longer than that of the current coherent jet, resulting in an improved impact capacity and stirring intensity of the molten bath.
@article{94d7c607-9221-49d0-b695-80c69ac2d7e8,
title={Characteristics of the Supersonic Combustion Coherent Jet for Electric Arc Furnace Steelmaking},
author={Fei Zhao and Rong Zhu},
year={2019},
language={en}
}TY - JOUR TI - Characteristics of the Supersonic Combustion Coherent Jet for Electric Arc Furnace Steelmaking AU - Fei Zhao AU - Rong Zhu PY - 2019 LA - en ER -
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