Theoretical analysis of molten aluminum-and-water mixing and expansion work

In order to investigate the explosion of molten aluminum and water, a calculation model was established to describe the interaction of molten aluminum and water and the expansion work of mixture in container. The effects of mass ratio of molten aluminum and water, diameter of droplet and size of container were also analyzed. The analytical results show that, under the standard conditions, the temperature of water increases exponentially with time, the expansion is owing to homogeneous nucleation of water, the nucleation rate of water increases with the increase in mass ratio of molten aluminum and water or the decrease in droplet diameter, and the pressure peak becomes higher. The energy conversion of system is closely related to the mass ratio and diameters of reactants, and the size of container.