The subcooled boiling states were visualized by Shadowgraph visualization technique and the pressure oscillation was measured by the pressure sensor.

• 在过冷态超流氦沸腾中，运用可视化方法对不同过冷度下的沸腾过程进行了观测，同时运用压力传感器详细研究了沸腾过程中的压力振荡。