This paper is focused on the cascade refrigeration cycle using natural refrigerant CO2-NH3. The properties of refrigeran......

本文介绍了一种用于低温环境的采用自然工质CO2-NH3的复叠式制冷循环,介绍和分析了CO2和NH3的物性特征,并且进行了该复叠式制冷循......