A 3D computational fluid dynamics (CFD) modeling study has been carried out for the tin bronze (C903) slab of industrial size in a vertical direct chill caster. The melt is delivered from the top across the entire cross section of the caster. An insulated hot-top is considered above the 80-mm mold to control the melt level in the mold. A porous filter is considered in the hot-top region of the mold to arrest the incoming inclusions and homogenize the flow into the mold. The melt flow through the porous filter is modeled on the basis of the Brinkmann–Forchheimer-extended non-Darcy model. Results are obtained for four casting speeds varying from 40 to 100 mm/min. The metal–mold contact region, as well as the convective heat transfer coefficient at the mold wall, is also varied. In addition to the above, the Darcy number for the porous media is also changed. All parametric studies are performed for a fixed inlet melt superheat of 62 °C. The results are presented pictorially in the form of temperature and velocity fields. The sump depth, mushy region thickness, solid shell thickness (ST) at the exit of the mold, and axial temperature profiles are also presented and correlated with the casting speed through regression analysis.
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April 2018
Research-Article
Industrial Direct Chill Slab Caster of Tin Bronze (C903) Using a Porous Filter in the Hot-Top
Mainul Hasan,
Mainul Hasan
Mem. ASME
Department of Mining and
Materials Engineering,
McGill University,
M. H. Wong Building,
3610 University Street,
Montreal, QC H3A 0C5, Canada
e-mail: Mainul.hasan@mcgill.ca
Department of Mining and
Materials Engineering,
McGill University,
M. H. Wong Building,
3610 University Street,
Montreal, QC H3A 0C5, Canada
e-mail: Mainul.hasan@mcgill.ca
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Latifa Begum
Latifa Begum
NSERC-PDF,
Department of Mechanical and
Industrial Engineering (MIE),
Concordia University,
1455 De Maisonneuve Boulevard West,
Montreal, QC H3G 1M8, Canada
e-mail: Latifa.begum@mail.mcgill.ca
Department of Mechanical and
Industrial Engineering (MIE),
Concordia University,
1455 De Maisonneuve Boulevard West,
Montreal, QC H3G 1M8, Canada
e-mail: Latifa.begum@mail.mcgill.ca
Search for other works by this author on:
Mainul Hasan
Mem. ASME
Department of Mining and
Materials Engineering,
McGill University,
M. H. Wong Building,
3610 University Street,
Montreal, QC H3A 0C5, Canada
e-mail: Mainul.hasan@mcgill.ca
Department of Mining and
Materials Engineering,
McGill University,
M. H. Wong Building,
3610 University Street,
Montreal, QC H3A 0C5, Canada
e-mail: Mainul.hasan@mcgill.ca
Latifa Begum
NSERC-PDF,
Department of Mechanical and
Industrial Engineering (MIE),
Concordia University,
1455 De Maisonneuve Boulevard West,
Montreal, QC H3G 1M8, Canada
e-mail: Latifa.begum@mail.mcgill.ca
Department of Mechanical and
Industrial Engineering (MIE),
Concordia University,
1455 De Maisonneuve Boulevard West,
Montreal, QC H3G 1M8, Canada
e-mail: Latifa.begum@mail.mcgill.ca
1Corresponding author.
Contributed by the Heat Transfer Division of ASME for publication in the JOURNAL OF THERMAL SCIENCE AND ENGINEERING APPLICATIONS. Manuscript received May 5, 2016; final manuscript received May 19, 2017; published online August 29, 2017. Assoc. Editor: Ranganathan Kumar.
J. Thermal Sci. Eng. Appl. Apr 2018, 10(2): 021001 (14 pages)
Published Online: August 29, 2017
Article history
Received:
May 5, 2016
Revised:
May 19, 2017
Citation
Hasan, M., and Begum, L. (August 29, 2017). "Industrial Direct Chill Slab Caster of Tin Bronze (C903) Using a Porous Filter in the Hot-Top." ASME. J. Thermal Sci. Eng. Appl. April 2018; 10(2): 021001. https://doi.org/10.1115/1.4037196
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