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Krypton, applied as refrigerant for cooling of silicon detector trackers.

Number: 0203

Author(s) : CONTIERO L., BARROCA P., HAFNER A., VERLAAT B., PETAGNA P., BANASIAK K.

Summary

The thermal management of highly irradiated silicon detectors may soon require cooling temperatures beyond the limits of -45°C for the currently applied technologies with CO2. The working fluid shall be able to approach ultra-low temperatures for large heat loads using small piping and withstand a significant amount of radiation. Among the short-listed candidates, the noble gas krypton appears as an interesting alternative for the future cooling infrastructure of particle trackers at CERN. In this work, the use of Krypton is investigated. Its favorable thermodynamic properties are analyzed with respect to the very harsh operational requirements present inside high energy particle detectors. A preliminary design of a low-temperature refrigeration cycle is proposed, and different transient scenarios commonly encountered during real-life detector operation are evaluated.

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Pages: 14 p.

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Details

  • Original title: Krypton, applied as refrigerant for cooling of silicon detector trackers.
  • Record ID : 30029779
  • Languages: English
  • Subject: Technology
  • Source: 15th IIR-Gustav Lorentzen Conference on Natural Refrigerants (GL2022). Proceedings. Trondheim, Norway, June 13-15th 2022.
  • Publication date: 2022/06/13
  • DOI: http://dx.doi.org/10.18462/iir.gl2022.0203
  • Document available for consultation in the library of the IIR headquarters only.

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