Speaker
Mr
Lutz Decker
(Linde Kryotechnik AG)
Description
In the past, cooling at 2K used to be an exotic application in large scale cryogenics. The required sub-atmospheric helium bath was established with the help of one of the following two technical approaches – rough vacuum pumping at ambient temperature or turbo compression at cryogenic temperature – or a combination of both. The aforementioned approaches are still being applied, but the optimum distribution between warm and cold stages is not always obvious.
In the last few years, 2K cooling became a new state-of-the-art in the fields of experimental and applied physics. Standardisation of the machinery and its controlling significantly reduced commissioning time which has clearly been demonstrated during start-up of refrigeration plants such as Fermilab and DESY. Thus, the technological readiness of cold compressors has successfully been proved.
This paper presents criteria for the optimisation of a cold compressor system under operational and economical aspects depending on the required 2K cooling capacity.
Author
Mr
Lutz Decker
(Linde Kryotechnik AG)
Co-authors
Mr
Can Ueresin
(Linde Kryotechnik AG)
Mr
Philipp Treite
(Linde Kryotechnik AG)
