The characters of overcooled refrigeration was analyzed and the operating features of several refrigerants in high sub - coolingdegree was introduced.
分析了大过冷度制冷循环的工作特性和几种常见制冷剂在大温差过冷情况下的运行特点。
2
The crystallizing rate for the powder melt at constant cooling rate was quicker, its crystallizing peak was higher and sharper, and its super coolingdegree was lower.
二者的主要差别在于粉末的熔体结晶速率快，结晶峰尖窄，过冷程度低。
3
The coolingDegree Days are used as an index to estimate the cooling energy consumption in summer. The spatial distribution and long-term change feature of coolingDegree Days were analyzed.