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ORGANIZER;CN=ESTAD 2023:mailto:info@metec-estad.com
LOCATION:Room 18b
SUMMARY:Investigation of the heat transfer behaviour of intumescent coatings in continuous casting using a digital twin
DESCRIPTION:SWERIM’s numerical model for continuous caster has been developed over the last decade through numerous projects. The model can predict the caster behaviour at a level of detail that it replicates industrial caster i.e., digital twin. This digital twin model can be used to optimise caster performance without the risk associated with the plant trials. The manuscript describes the methodology used to study the heat transfer in the continuous casting mould with an intumescent coating.
The numerical modelling process starts with compiling a database of caster layout, process data, steel grade, and slag composition etc. A 3D virtual geometry of the industrial caster is built with details such as the SEN, mould with cooling water channels and one strand length after the mould exit. The flow, heat transfer and solidification are solved using Fluent CFD software. The reference case was compared with industrial process data such as shell thickness and cooling water rate through blind tests for validation. 
The heat transfer coefficient (HTC) of the intumescent coating was obtained from characterisation. The HTC value was patched to the mould walls in the validated reference case and a parametric study based on possible operational window was carried out. The resulting data from the digital twin was used to provide guidelines on the operation range with the intumescent coating to obtain optimal solidification in the final product.   
Keywords: Heat transfer coefficient, intumescent, slab caster, digital twin, solidification. 

CLASS:PUBLIC
DTSTART:20230615T100000
DTEND:20230615T102000
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