简介超流氦的特性，超流氦杜瓦制冷在空间制冷中的应用现状。
This paper describes the characterization of superfluid helium briefly and summarizes the using of superfluid helium Dewars refrigerators in space refrigeration.
超流氦的沸腾现象具有一般流体的沸腾现象所没有的特异性质。
The boiling phenomenon in the superfluid helium has some special characteristics.
以超流氦为对象，对其沸腾传热过程中的热声振荡现象进行了研究。
The thermoacoustic oscillation during film boiling heat transfer in superfluid helium is studied.
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