70K温区混合工质分凝分离循环节流制冷机实验研究

Experimental Research on A New Type of Mixed-refrigerant Refrigeration Cycle at 70K Range

混合工质节流制冷机正在许多方面获得越来越广泛的应用。文中设计了一种新型的混合工质分凝分离循环 ,建立了实验系统 ,并在 70 K温区进行了实验。实验结果表明 ,节流制冷机可以达到 6 5 .3K的低温 ,并在 72 K温度提供 1W的制冷量 ,输入功率为 5 0 0 W。

In this article, a new type of mixed-refrigerant fractionation refrigeration cycle is developed. The experimental system is established and mostly focused on the 70K-temperature range. The experimental results show that the cooling system can reach the temperature of 63.5K under 70K and the cryocooler can provide a cooling capacity of 1W at 72K with a nominal input power of 500W.