大型低温环境试验室制冷系统设计
Equipment Environmental Engineering（2013）
Abstract
分析了大型低温环境试验室制冷技术的现状,提出了基于复叠式制冷的复合降温方式。通过冷负荷计算,确定了制冷系统核心设备制冷机组压缩机的选型,采用基于PLC的PID控制系统,实现了试验室温度参数的精确控制。
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Key words
overlapping refrigeration,compound cooling,cooling load calculation,environmental test
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