The cold compressors in the field of cryogenic systems.
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资源简介：
This paper presents design and a putting into operation of helium Cold Compressors (CCs) which are applied as a key part of cryogenic refrigeration systems. The CCs are usually used to pump-off gaseous helium – 4He from thermally insulated tank with saturated liquid helium and thus to reduce of gas pressure above the surface of liquid helium. Using of cold compressors inside cryogenic systems is one way which allows to keep up absolute temperature lower than 4.2 K and thus to reach approximately superfluid liquid helium properties. This procedure ensures approximately the stable superfluid liquid helium properties which is used as refrigerant in many current hightech superconductivity applications with a great demand on cooling power e.g.: accelerators, TOKAMAKs etc. The last part of article is dedicated the putting of the operating of CCs strings installed inside cryogenic systems in Technical Institute of Physics Chemistry (TIPC) and Institute of Plasma Physics Chinese Academy of
Sciences (ASIPP) in China.
提供机构：
International Institute of Refrigeration (IIR)
创建时间：
2019-07-04
