中文摘要：

According to the principle of similarity theory, a water model of twin roll strip caster was built. The level fluctuation was measured with an ultrasonic level detector. The effect of nozzle design, casting rate, pool depth and nozzles immersion depths on the level fluctuation was studied. And a level fluctuation mathematical model was developed. The experimental results provided a basis to further optimize the nozzle design and technological parameters of twin roll strip caster.