Cu–4.7 wt. % Sn alloy wire with Ø10 mm was prepared by two-phase zone continuous casting technology, and the temperature field, heat
and fluid flow were investigated by the numerical simulated method. As the melting temperature, mold temperature, continuous casting
speed and cooling water temperature is 1200 °C, 1040 °C, 20 mm/min and 18 °C, respectively, the alloy temperature in the mold is in the
range of 720 °C–1081 °C, and the solid/liquid interface is in the mold. In the center of the mold, the heat flow direction is vertically
downward. At the upper wall of the mold, the heat flow direction is obliquely downward and deflects toward the mold, and at the lower
wall of the mold, the heat flow deflects toward the alloy. There is a complex circular flow in the mold. Liquid alloy flows downward along
the wall of the mold and flows upward in the center.