Simulation Using Realistic Spray Cooling for the Continuous Casting of Multi-component Steel

被引：1
|
作者：
Houfa SHEN1)
机构：
来源：
Journal of Materials Science & Technology | 2002年 / 04期
关键词：
Steel; Continuous casting; Simulation;
D O I：
暂无
中图分类号：
TG249.7 [连续、半连续铸造];
学科分类号：
080201 ; 080503 ;
摘要：
A three-dimensional heat transfer model for continuous steel slab casting has been developed with realistic spray cooling patterns and a coupled microsegregation solidification model that calculates the solidification path for multi-component steels. Temperature and composition dependent properties are implemented in a database for 15 chemical species. Considerable effort is made to accurately model the spray cooling heat transfer. Each spray nozzle position and distribution is considered, including variations of the spray patterns with flow rate, and spray overlap. Nozzle type, layout, nozzle-to-slab distance, and spray span and flux are variable. Natural convection, thermal radiation and contact cooling of individual rolls are computed. The present model provides more comprehensive information and realistic slab surface temperatures than results from a model using the "averaged" treatment of boundary conditions. Cooling operating conditions and parameters of individual spray nozzles can be analyzed to
引用
收藏
页码：311 / 314
页数：4
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