TY - JOUR
T1 - Performance of a Nozzle to Control Bath Level Oscillations and Turbulence of the Metal-Flux Interface in Slab Molds
AU - González-Solórzano, María Guadalupe
AU - Morales, Rodolfo Davila
AU - Guarneros, Javier
AU - Muñiz-Valdés, Carlos Rodrigo
AU - Bastida, Alfonso Nájera
N1 - Publisher Copyright:
© 2022 by the authors. Licensee MDPI, Basel, Switzerland.
PY - 2022/1
Y1 - 2022/1
N2 - The characterization of the turbulent flow of liquid steel in a slab mold using a commercial nozzle was carried out through physical experiments and mathematical models. Six ultrasonic sensors were located at each side of the nozzle to obtain real-time plotting of the bath levels during the experimental time. An ultrasonic transducer located in the mold, 20 mm below the meniscus, determines the velocities and the turbulent variables along with the distance from the narrow face to the position of the nozzle’s outer wall. These data, together with the mathematical simulations, demonstrated a high correlation of bath level oscillations and the time-dependent behavior of the discharging jets. The flow inside the mold shows low-frequency non-symmetric patterns without a severe turbulent in the meniscus. The source of this instability is the partial opening of the slide valve gate used to control the mass flow of liquid.
AB - The characterization of the turbulent flow of liquid steel in a slab mold using a commercial nozzle was carried out through physical experiments and mathematical models. Six ultrasonic sensors were located at each side of the nozzle to obtain real-time plotting of the bath levels during the experimental time. An ultrasonic transducer located in the mold, 20 mm below the meniscus, determines the velocities and the turbulent variables along with the distance from the narrow face to the position of the nozzle’s outer wall. These data, together with the mathematical simulations, demonstrated a high correlation of bath level oscillations and the time-dependent behavior of the discharging jets. The flow inside the mold shows low-frequency non-symmetric patterns without a severe turbulent in the meniscus. The source of this instability is the partial opening of the slide valve gate used to control the mass flow of liquid.
KW - Bath levels oscillations
KW - Flux entrainment
KW - Meniscus velocity
KW - Metal-flux interface
UR - http://www.scopus.com/inward/record.url?scp=85123303815&partnerID=8YFLogxK
U2 - 10.3390/met12010140
DO - 10.3390/met12010140
M3 - Artículo
AN - SCOPUS:85123303815
SN - 2075-4701
VL - 12
JO - Metals
JF - Metals
IS - 1
M1 - 140
ER -