Abstract
The fluid transport characteristics and level fluctuations in the pool of twin-roll strip casting are studied using a water model and mathematical simulations. The level profile depends on the transport characteristics of the flow in the pool. A full scale water modeling experiment has been conducted to address the relationship between the fluid flow and level fluctuation in the narrow strip pool. The residence time of fluid at the ports of nozzle and nip points of caster are measured to evaluate the fluid flow uniformity in the caster. The level fluctuations are measured with wave gauge and sensors. Mathematical modeling is also established to help anticipate flow patterns in the pool and residence time at the exits of nozzle and caster. The results show that a strong jet flow impinging on the both sides of delivery system is generated and free surface oscillations increase at the most lateral ports of delivery system. The fluids are uniformly distributed along the direction of roll width at the narrow pool zone. The flow patterns are complex near side dams' zone. Calculated results are in good agreement with residence time and average wave height measurements.
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