关于MMR制冷降温时间的分析  

Analysis of the Cooling Time of MMR

作　　者：徐烈[1,2] 胡江武[1,2] 唐应堂 徐佳梅 

机构地区：[1]上海交通大学低温研究和测试中心 [2]上海桑菱环境能源研究所

出　　处：《低温工程》1997年第1期22-25,共4页Cryogenics

摘　　要：降温时间是ＭＭＲ制冷中的一个重要参数，加入高沸点组分，不仅可以维持较低的制冷温度并获得较大的制冷量，而且可以增大速冷性能。从相似理论出发，在已建立的纯氮降温时间模型的基础上，推导一个关于混合工质降温时间的关系式，并对该式进行了验证，最后得出了一些有益的结论及提出了进一步研究的问题。Cooling time is an important parameter on MMR. Lower refrigerating temperature, more refrigerating capacity and more quick refrigerating performance can be attained by adding element of high boiling point. Based on similarity theory and the cooling time model of pure nitrogen, a formula of cooling time of cryogenic mixture was presented and further test was done on it. Some useful conclusions were attained and some problems which should be further studied were forwatded in the paper, too.

关 键 词：MMR 降温时间 制冷系统 

分 类 号：TB61[一般工业技术—制冷工程]