Thermal design of the Mu2e detector solenoid

Dhanaraj, N.; Wands, R.; Buehler, M.; Feher, S.; Page, T.; Peterson, T.; Schmitt, R.

doi:10.1109/TASC.2014.2379933

Title: Thermal design of the Mu2e detector solenoid

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Abstract

The reference design for a superconducting detector solenoid (DS) for the Mu2e experiment has been completed. In this study, the main functions of the DS are to provide a graded field in the region of the stopping target, which ranges from 2 to 1 T and a uniform precision magnetic field of 1 T in a volume large enough to house a tracker downstream of the stopping target. The inner diameter of the magnet cryostat is 1.9 m and the length is 10.9 m. The gradient section of the magnet is about 4 m long and the spectrometer section with a uniform magnetic field is about 6 m long. The inner cryostat wall supports the stopping target, tracker, calorimeter and other equipment installed in the DS. This warm bore volume is under vacuum during operation. It is sealed on one end by the muon beam stop, while it is open on the other end where it interfaces with the Transport Solenoid. The operating temperature of the magnetic coil is 4.7 K and is indirectly cooled with helium flowing in a thermosiphon cooling scheme. This paper describes the thermal design of the solenoid, including the design aspects of the thermosiphon formore »« less

Authors:

Dhanaraj, N. ^[1]; Wands, R. ^[1]; Buehler, M. ^[1]; Feher, S. ^[1]; Page, T. ^[1]; Peterson, T. ^[1]; Schmitt, R. ^[1]

Fermi National Accelerator Lab. (FNAL), Batavia, IL (United States)

Publication Date:: Thu Dec 18 00:00:00 EST 2014

Research Org.:: Fermi National Accelerator Lab. (FNAL), Batavia, IL (United States)

Sponsoring Org.:: USDOE Office of Science (SC), High Energy Physics (HEP)

OSTI Identifier:: 1226316

Report Number(s):: FERMILAB-PUB-14-239-PPD-TD
Journal ID: ISSN 1051-8223; TRN: US1500466

Grant/Contract Number:: AC02-07CH11359

Resource Type:: Accepted Manuscript

Journal Name:: IEEE Transactions on Applied Superconductivity

Additional Journal Information:: Journal Volume: 25; Journal Issue: 3; Conference: Applied Superconductivity Conference, Charlotte, NC (United States), 10-15 Aug 2014; Journal ID: ISSN 1051-8223

Publisher:: Institute of Electrical and Electronics Engineers (IEEE)

Country of Publication:: United States

Language:: English

Subject:: 46 INSTRUMENTATION RELATED TO NUCLEAR SCIENCE AND TECHNOLOGY; cold mass; thermal design; thermal stress thermosiphon; superconducting magnets

Citation Formats


                    Dhanaraj, N., Wands, R., Buehler, M., Feher, S., Page, T., Peterson, T., and Schmitt, R. Thermal design of the Mu2e detector solenoid.  United States: N. p., 2014. 
Web.  doi:10.1109/TASC.2014.2379933.

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                    Dhanaraj, N., Wands, R., Buehler, M., Feher, S., Page, T., Peterson, T., & Schmitt, R. Thermal design of the Mu2e detector solenoid.  United States.  https://doi.org/10.1109/TASC.2014.2379933

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                    Dhanaraj, N., Wands, R., Buehler, M., Feher, S., Page, T., Peterson, T., and Schmitt, R. Thu .  
"Thermal design of the Mu2e detector solenoid".  United States.  https://doi.org/10.1109/TASC.2014.2379933.  https://www.osti.gov/servlets/purl/1226316.

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@article{osti_1226316,

  title        = {Thermal design of the Mu2e detector solenoid},

  author       = {Dhanaraj, N. and Wands, R. and Buehler, M. and Feher, S. and Page, T. and Peterson, T. and Schmitt, R.},

  abstractNote = {The reference design for a superconducting detector solenoid (DS) for the Mu2e experiment has been completed. In this study, the main functions of the DS are to provide a graded field in the region of the stopping target, which ranges from 2 to 1 T and a uniform precision magnetic field of 1 T in a volume large enough to house a tracker downstream of the stopping target. The inner diameter of the magnet cryostat is 1.9 m and the length is 10.9 m. The gradient section of the magnet is about 4 m long and the spectrometer section with a uniform magnetic field is about 6 m long. The inner cryostat wall supports the stopping target, tracker, calorimeter and other equipment installed in the DS. This warm bore volume is under vacuum during operation. It is sealed on one end by the muon beam stop, while it is open on the other end where it interfaces with the Transport Solenoid. The operating temperature of the magnetic coil is 4.7 K and is indirectly cooled with helium flowing in a thermosiphon cooling scheme. This paper describes the thermal design of the solenoid, including the design aspects of the thermosiphon for the coil cooling, forced flow cooling of the thermal shields with 2 phase LN2 (Liquid Nitrogen) and the transient studies of the cool down of the cold mass as well.},

  doi          = {10.1109/TASC.2014.2379933},

  journal      = {IEEE Transactions on Applied Superconductivity},

  number       = 3,

  volume       = 25,

  place        = {United States},

  year         = {Thu Dec 18 00:00:00 EST 2014},

  month        = {Thu Dec 18 00:00:00 EST 2014}

}

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