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Concept design of cryogenic system of the SPD-detector for NICA project in Dubna.

Number: 0005

Author(s) : MAMEDOV V., ARKHAROV I., NAVASARDYAN E.

Summary

The article describes the substantiation of technical solutions adopted to ensure a uniform distribution of the temperature field over the volume of the Spin Physics Detector (SPD) magnetic system, developed on the basis of the Joint Institute for Nuclear Research in Dubna (Russia). Two variants of the configuration of this system are considered: (1) a package of six-solenoids located in the axial direction, and (2) a hybrid system, including 8 solenoids for the formation of a toroidal field and two more solenoids on each side in the axial direction. The article describes conceptual solutions for the organization of a cryogenic system and placement of cryostat units in the inner cavity of an electromagnetic calorimeter, and defines the criteria for a qualitative comparison of the characteristics of the proposed design options. This analysis is carried out in order to determine the best design option for the magnetic cryogenic detector system.  It has been established that the hybrid magnetic system allows creating a magnetic field with better integral characteristics but for fastening and cooling the solenoids that form the toroidal field, a much more complex and material-intensive design is required than in the case of six-solenoids. In addition, a simple system demonstrates such advantages as free placement of automatic control devices, protection and emergency shutdown systems in the detector volume, which allows providing the required level of safety and flexibility of system configuration.

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Pages: 6

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Details

  • Original title: Concept design of cryogenic system of the SPD-detector for NICA project in Dubna.
  • Record ID : 30029002
  • Languages: English
  • Source: Cryogenics 2021 online. Proceedings of the 16th IIR International Conference, October 5-7, 2021.
  • Publication date: 2021/10/05
  • DOI: http://dx.doi.org/10.18462/iir.cryo.2021.0005
  • Document available for consultation in the library of the IIR headquarters only.

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