Heat-Transfer And Solidification Model Of Continuous Slab

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Control of Centerline Segregation in Slab Casting

the midregion of continuously cast slabs was developed. The basic heat transfer and solidification model connected to the semi-empirical liquid feeding model (LMI - Liquid Motion Intensity model) gives the possibility to estimate the centerline segregation parameters of slab …

MATHEMATICAL MODEL OF HEAT TRANSFER FOR …

Heat transfer of the solidification process is dependent on the shell growth,depth of liguid pool and temperature profile of the solid shell.It also profoundly influences the productivity of a continuous caster and steel quality. A mathematical model for heat transfer in continuously casted stain- less steel slab has been established.The model ...

A Heat Transfer and Solidification Model of Continuous Cast

A model of heat transfer and solidification of continuous cast has been established, including boundary conditions in the mold and spray zones. A finite difference method was used for the numerical simulation. The model calculates the shell thickness and temperature distributions of the slab real time.

Optimum Spray Cooling in Continuous Slab Casting Process ...

Since 1960¶V, a heat transfer simulation during solidification plays an important role in analyzing and adapting the parameters of the secondary cooling (to avoid cracking) in the continuous casting of both slab and billet in Mizikar [1], Brimacombe et al. [2], and recent ones such as …

Numerical simulation of flow and heat transfer of ...

Abstract: A unified numerical model for simulating solidification transport phenomena (STP) of steel slab in electromagnetic continuous casting (EMCC) process was developed. In order to solve the multi-physics fields coupled problem conveniently, the complicated bidirectional coupled process between EM …

HEAT TRANSFER AND SOLIDIFICATION MODEL OF …

A simple, but comprehensive model of heat transfer and solidification of the continuous casting of steel slabs is described, including phenomena in the mold and spray regions. The model includes a 1-D transient finite-difference calculation of heat conduction within the

Generalized constructal optimization for solidification ...

Downloadable (with restrictions)! Based on constructal theory, generalized constructal optimization of a solidification heat transfer process of slab continuous casting is carried out by taking a complex function as optimization objective. The complex function is composed of the functions of the heat loss rate and surface temperature gradient of the slab subjected to the constraints of shell ...

MATHEMATICAL MODELLING OF SOLIDIFICATION IN A …

In the present work two dimensional heat transfer solidification model has been developed for a curved slab caster. The model predicts the surface temperature, temperature profile in the strand and solid shell formation to estimate the optimal condition for continuous casting process.Various process

DEVELOPMENT OF A MODEL FOR TRANSIENT SIMULATION …

Solidification Laboratory Department of Mechanical Engineering University of Iowa Iowa City, Iowa 52242 Abstract A two-dimensional heat transfer model for transient simulation and control of a continuous steel slab caster is described. Slab thermal and solidification conditions are computed by the model …

Heat-Transfer and Solidification Model of Continuous Slab ...

A simple, but comprehensive model of heat transfer and solidification of the continuous casting of steel slabs is described, including phenomena in the mold and spray regions.

the Continuous Slab Casting Mold, Interface, and Shell ...

Heat Flow Model of the Continuous Slab Casting Mold, Interface, and Shell Brian G. Thomas, Bryant Ro, and Guowei Li ... develop a fast, simple, and flexible model of heat transfer in the mold and shell and related phenomena. All of the above-mentioned ... solidification of the shell, or heat conduction through the mold. There is usually a ...

Heat Transfer and Solidification Model of Slab Continuous ...

A heat transfer and solidification model of slab continuous casting process was developed, and the nail-shooting experiments were carried out to verify and improve the prediction accuracy. The comparison between the simulation and the measurements results showed that, there exists difference between the model predicted liquid core length and the calculated liquid core length according to the ...

An integrated, finite element‐based process model for the ...

An integrated, finite element‐based process model for the analysis of flow, heat transfer, and solidification in a continuous slab caster. C. H. Moon. Department of Mechanical Engineering, Pohang University of Science and Technology, Pohang 790‐784, Korea. Search for more papers by this author.

Numerical Simulation on Solidification and Heat-Transfer ...

The process of solidification of continuous casting of thin slab on compact strip production (CSP) was simulated by finite element method (FEM) and two-dimensional cutting slice method. Simulated results of solidification and heat transfer of the slab were gotten. The temperature distribution of the cooling process on the thin casting slab is agreed with the actual online production.

Heat-Transfer and Solidification Model of Continuous Slab ...

Aug 27, 2002· Heat-Transfer and Solidification Model of Continuous Slab Casting: CON1D YA MENG and BRIAN G. THOMAS A simple, but comprehensive model of heat transfer and solidification of the continuous casting of steel slabs is described, including phenomena in the mold and spray regions. The model includes a

Simulation of Fluid Flow and Solidification in the Funnel ...

The present work models the fluid flow and heat transfer with solidification of a steel in the funnel type mold region of a thin slab steel continuous caster. In current modeling a turbulent fluid flow has been supposed and used K-e model in order to anticipate the heat transfer distribution in mold region.

MATHEMATICAL MODEL OF HEAT TRANSFER FOR SOLIDIFICATION …

Heat transfer of the solidification process is dependent on the shell growth,depth of liguid pool and temperature profile of the solid shell.It also profoundly influences the productivity of a continuous caster and steel quality. A mathematical model for heat transfer in continuously casted stain- less steel slab has been established.The model ...

An Optimization Control Method for Heat Transfer Model ...

Jun 01, 2020· Solidification of continuous casting slab is a complex process including a series of phenomena such as heat transfer, mass transfer and flow. The secondary cooling process plays an important role in the production quality of continuous casting slab. In this paper, an improved particle swarm optimization algorithm has been proposed.

MIKRO-MACRO MODEL OF SOLIDIFICATION FOR SI …

The heat transfer equation with function of the sourre of latent heat and with the motion term is used for description of the process of slab solidification in continuous casting. Equations of nucleation and grain growtl1 are included into the heat transfer equation. The program gives results as a temperature field, a shape of liquid pool of ...

Modeling of the Solidification Process in a Continuous ...

Jul 24, 2002· to the solid phase and also solid phase transformations. In the third section of this article, we present the in-verse analysis methodology developed to identify the heat-transfer coefficients that we use to model the steel strand solidification inside the mold. This inverse analysis was implemented in the module CCAST-I.

Heat-transfer and solidification model of continuous slab ...

Oct 01, 2003· A simple, but comprehensive model of heat transfer and solidification of the continuous casting of steel slabs is described, including phenomena in the mold and spray regions. The model includes a one-dimensional (1-D) transient finite-difference calculation of heat conduction within the solidifying steel shell coupled with two-dimensional (2-D) steady-state heat conduction within the …

A Mathematical Modeling of Heat Transfer in Continuous ...

A two-dimensional (2-D) heat transfer and solidification model has been established and applied to calculate the temperature distribution and solid shell thickness profile of a continuous casting slab in a steel plant. A finite difference method was used for the numerical simulation. For thermal analysis, the 2-D slice unsteady-state heat conduction equation with enthalpy convention was used.

Brian Thomas - Mechanical Engineering

stress model of a continuously-cast slab during solidification in the mold. This transient, models for includes the coupling together of separate two-dimensional, heat flow and stress generation, to track the behavior of a transverse slice It also includes both through the slab as it moves down through the caster.

Real‐Time Heat Transfer Model Based on Distributed ...

Dec 11, 2018· In this work, a one‐dimensional real‐time heat transfer model, which considers the effect of varying thermophysical properties along slab thickness direction caused by the distribution of solute segregation, is built to predict the location of the solidification end of a wide‐thick continuous casting slab …

A coupled model on fluid flow, heat transfer and ...

Fluid flow, heat transfer and solidification of steel in the mold are so complex but crucial, determining the surface quality of the continuous casting slab. In the current study, a 2D numerical model was established by Fluent software to simulate the fluid flow, heat transfer and solidification of …

Three-dimensional Simulation of Heat Transfer and Stresses ...

A three-dimensional simulation model is developed of a continuous steel slab caster for optimizing operating conditions and improving slab quality. The heat transfer simulation includes a multi-component steel solidification model and a method to model the characteristics of every single spray nozzle and roll. The temperature predictions

Modeling Solidification Phenomena in the Continuous ...

A 2D unsteady heat-transfer model (Zhu et al, 2003) was applied to obtain the surface temperature and shell thickness of continuous casting slabs during the process of solidification.

Símplified model for heat transfer and solidification in ...

Símplified model for heat transfer and solidification in continuous casting. * Victor Chang and Pedro Bolsaitis. Instituto Venezolano de Investigaciones Científicas, Centro de Ingeniería, Apartado 1827, Caracas, 1010-A. Asimplificd model ispresented [orpredicting the solid fraction at the mold ex it and the liquid pool depth from readily measu-

Heat Transfer and Solidification Model of Continuous Slab ...

CiteSeerX - Document Details (Isaac Councill, Lee Giles, Pradeep Teregowda): A simple, but comprehensive model of heat transfer and solidification of the continuous casting of steel slabs is described, including phenomena in the mold and spray regions. The model includes a 1-D transient finite-difference calculation of heat conduction within the solidifying steel shell coupled with 2-D steady ...

Mathematical Modeling of Transport Processes in Funnel ...

Mar 02, 2011· In this work a three-dimensional fluid flow and heat transfer model was developed to predict the flow pattern and superheat dissipation in funnel shaped mold of a thin slab continuous caster with a novel tetrafurcated design for the submerged entry nozzle. Low Reynolds k − ε turbulent model was adopted to account for the turbulent effect ...