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Início Arquivos Representantes Futuras reuniões American Society of Thermal and Fluids Engineering

ISSN On-line: 2379-1748

ISBN Imprimir: 978-1-56700-431-1 (Flash Drive)

ISBN On-line: 978-1-56700-430-4

First Thermal and Fluids Engineering Summer Conference
August, 9-12, 2015 , New York City, USA

HOW TO MAKE LIQUID METAL TRANSPARENT? A NEUTRON RADIOGRAPHY METHOD FOR SCALED-DOWN METALLURGICAL EQUIPMENT

Get access pages 779-792
DOI: 10.1615/TFESC1.eep.012876

Resumo

Due to the non-transparency of metals it is nearly impossible to observe how solid inclusions behave within a liquid metal. At the same time numerical models, which generally are powerful tools for design of different types of metallurgical equipment, usually contain a high number of degrees of freedom due to the complexity of turbulent flows of liquid metal. Therefore, experimental verification of the numerical models is an essential task, which was hitherto not satisfactorily solved by established technologies. The paper presents a recent and break-through experimental method, which makes liquid metal transparent: dynamic neutron radiography. It allows to visualize dynamics of solid inclusions in metallurgical flows within a scaled-down equipment, keeping fixed non-dimensional hydrodynamic and electromagnetic parameters and applying a permanent magnets technology for electromagnetic agitation in the set-up.
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