The State Key Laboratory of Refractories and Metallurgy;
Wuhan University of Science and Technology;
Wuhan 430081;
Hubei;
China;
Hubei Provincial Key Laboratory for New Processes of Ironmaking and Steelmaking;
Wuhan University of Science and Technology;
Wuhan 430081;
Hubei;
China;
Argon; blowing; Tundish; upper; nozzle; Nozzle; clogging; Numerical; simulation;