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Author:

刘海霞 (刘海霞.) | 马国远 (马国远.) (Scholars:马国远)

Abstract:

为提高冷冻干燥过程的能耗,提高冷冻装置的经济性,构建了以R404A/R23和R404A为工质的复叠式和二级压缩的冷冻干燥系统。通过对系统的循环特性计算,分析并讨论了中间温度、冷阱温度和冷凝温度变化对循环特性的影响。计算结果表明,复叠式和二级压缩式系统均可以用于冷冻干燥系统,在常规的冷冻干燥条件下,系统中采用两级压缩式系统较适宜。在满足冷冻干燥操作条件的前提下,可适当降低冷凝温度、升高蒸发温度以利于提高系统的循环性能,获得较高的性能系数和较好的经济性。

Keyword:

二级压缩式系统 复叠式系统 冷冻干燥 循环性能

Author Community:

  • [ 1 ] 北京工业大学

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Year: 2010

Language: Chinese

Cited Count:

WoS CC Cited Count: 0

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 5

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