Abstract
Water model experiments were carried out to promote uniform dispersion of fine particles into a molten steel bath contained in a cylindrical vessel. Fine particles were initially placed on the surface of a water bath. The bath was mechanically agitated by means of an impeller settled on the centerline of the vessel. The dispersion of the particles into the bath was highly promoted by immersing a cylinder slightly into the bath at an offset radial position. The effects of the shape and size of the cylinder and impeller on the dispersion characteristics were investigated to reveal an optimum condition for the uniform dispersion.
