Large eddy simulations of the effects of double-ruler electromagnetic braking and nozzle submergence depth on molten steel flow in a commercial continuous casting mold

Kai Jin, Surya P. Vanka, Brian G. Thomas, Xiaoming Ruan

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

In steel continuous casting, flow in the mold region is related to many quality problems such as surface defects and slag entrainment. An electromagnetic braking (EMBr) system is a method to control the steel flow field to minimize defects and capture inclusions. The position of the port of the Submerged Entry Nozzle (SEN) and the peak magnetic field both affect the performance of the EMBr. In the present work, an efficient multi-GPU based code, CUFLOW, is used to perform Large Eddy Simulations of the turbulent flow by solving the time-dependent Navier-Stokes equations in a domain that includes the slide gate, SEN and mold region. The computations were first validated by comparing the predicted surface velocity with plant measurements. Subsequently, eight LES simulations were conducted to study the effects of different EMBr values and SEN depths. The flow patterns in various regions are presented. The results show that applying EMBr greatly lowers top surface velocities and turbulent fluctuations.

Original languageEnglish (US)
Title of host publicationCFD Modeling and Simulation in Materials Processing, held at the TMS 2016 Annual Meeting and Exhibition, 2016
EditorsAdrian S. Sabau, Koulis Pericleous, Lifeng Zhang, Miaoyong Zhu, Andreas Ludwig, Laurentiu Nastac, Brian G. Thomas, Herve Combeau
PublisherSpringer International Publishing
Pages159-166
Number of pages8
ISBN (Print)9783319651323
DOIs
StatePublished - Jan 1 2016
EventInternational Symposium on CFD Modeling and Simulation in Materials Processing, 2016 - Nashville, United States
Duration: Feb 14 2016Feb 18 2016

Publication series

NameMinerals, Metals and Materials Series
VolumePart F2
ISSN (Print)2367-1181
ISSN (Electronic)2367-1696

Other

OtherInternational Symposium on CFD Modeling and Simulation in Materials Processing, 2016
CountryUnited States
CityNashville
Period2/14/162/18/16

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Keywords

  • Continuous casting
  • Electromagnetic braking
  • Large eddy simulation

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Energy Engineering and Power Technology
  • Mechanics of Materials
  • Metals and Alloys
  • Materials Chemistry

Cite this

Jin, K., Vanka, S. P., Thomas, B. G., & Ruan, X. (2016). Large eddy simulations of the effects of double-ruler electromagnetic braking and nozzle submergence depth on molten steel flow in a commercial continuous casting mold. In A. S. Sabau, K. Pericleous, L. Zhang, M. Zhu, A. Ludwig, L. Nastac, B. G. Thomas, & H. Combeau (Eds.), CFD Modeling and Simulation in Materials Processing, held at the TMS 2016 Annual Meeting and Exhibition, 2016 (pp. 159-166). (Minerals, Metals and Materials Series; Vol. Part F2). Springer International Publishing. https://doi.org/10.1007/978-3-319-65133-0_20