二氧化碳低温制冷循环分析

Analysis of Carbon Dioxide Refrigeration Cycle at Low Temperature

对两种不同的二氧化碳双级压缩低温制冷循环进行了分析,得到在一定的蒸发温度和冷却器出口温度下,一次节流不完全中间冷却二氧化碳双级压缩循环COP较大、最优冷却压力较低、具有良好的发展前景。

This paper investigates two different two-stage carbon dioxide cryogenic refrigeration cycles and finds that two-stage carbon dioxide refiigeration cycle with subcooling process in a intercooler has a higher COP and a lower optimum discharge pressure under given evaporating temperature and discharges temperature of gas cooler. This cycle has a bright prospects for development.