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The main aim of this work is to study the behavior of particulate flows taking into account the interfacial heat transfer on the particle surface including the phase change phenomena. Two flow configurations of increasing complexity are studied with the aim of unraveling fundamental properties of heat transfer in two-phase flows. The first configuration corresponds to the fluid flow past a single...
A new fragmentation mechanism of dendrite arms is proposed. The theoretical basis of this mechanism is a shift in the thermodynamical equilibrium at the solid–liquid interface due to the presence of elastic energy. This effect is modelled by the generalized Gibbs–Thomson condition [Larché FC, Cahn JW. Acta Metallurgica. 1973;21:1051], where each term is calculated analytically using a simple Bernoulli–Euler...
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