NDLI: Physical modeling of gas-liquid interfacial fluctuation in a thick slab continuous casting mold with argon blowing

Content Provider	Springer Nature Link
Author	Zheng, Shu guo Zhu, Miao yong
Copyright Year	2010
Abstract	Combining with the physical model of level fluctuation in a thick slab continuous casting mold with the cross-section of 1500 mm×280 mm and argon blowing, the rationalities of estimating the level fluctuation by three traditional quantitative approaches were discussed, and the effects of gas flowrate, casting speed, and the immersion depth of submerged entry nozzle (SEN) on the level fluctuation were also investigated. As a result, it seems that three traditional quantitative approaches are not very suitable for estimating the level fluctuation in a mold with argon blowing, so a new approach for estimating level fluctuation in the mold with argon blowing was presented. The experimental results show that the level fluctuation is mainly in the region around the nozzle wall. When the casting speeds are larger than a certain value, there is the escape of large bubbles near the nozzle wall, which causes an obvious increase of level fluctuation. Furthermore, optimal process parameters, viz., the gas flowrate of 6 NL/min, the casting speed of 1.1 m/min, and the immersion depth of 170 mm, are presented to restrain the level fluctuation by a physical model.
Starting Page	704
Ending Page	708
Page Count	5
File Format	PDF
ISSN	16744799
Journal	International Journal of Minerals, Metallurgy, and Materials
Volume Number	17
Issue Number	6
e-ISSN	1869103X
Language	English
Publisher	University of Science and Technology Beijing
Publisher Date	2010-12-16
Publisher Place	Beijing
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	slabs continuous casting molds level fluctuation modelling Tribology, Corrosion and Coatings Surfaces and Interfaces, Thin Films Ceramics, Glass, Composites, Natural Methods Characterization and Evaluation of Materials Metallic Materials Materials Science
Content Type	Text
Resource Type	Article
Subject	Materials Chemistry Mechanics of Materials Metals and Alloys Geochemistry and Petrology Mechanical Engineering

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