Abstract
Numerical and experimental work is carried out to investigate liquid metal flow and heat transfer during the permanent moulding of cast iron. Heat conduction during the pouring and solidification of cast-iron plates, and liquid metal flow and heat transfer during the pouring and solidification of cylindrical cast-iron ingots is numerically and experimentally investigated. The castings are poured in permanent moulds, and temperature distributions in the castings and the moulds are recorded. The mathematical modelling indicates the significance of finite pouring time and liquid metal convection on the temperature distribution. Good agreement is obtained between the experimental data and the predictions of the heat and mass transfer computations. Temperature fields, solidus front shapes and velocity fields during pouring and solidification are simulated for both top and bottom gated cases.
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