Magnetic and Cryogenic Design of MICE Coupling Solenoid Magnet System

Wang, Li; Xu, Fengyu; Wu, Hong; Liu, Xiaokun; Li, LanKai; Guo, Xiaofeng; Pan, Heng; Chen, Anbin; Green, M.A.; Li, D.R.; Virostek, Steve

doi:10.1109/tasc.2009.2018217

Cited by 13 publications

(9 citation statements)

References 7 publications

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“…The Catalyst 24LV with lower viscosity for curing the black Stycast epoxy is to be applied in the coil, so the turn-to-turn thickness may be controlled within 0.040~0.050 mm during winding with improved wire alignment control, and then the coil turn per layer can be up to 168 turns. Consequently, the self-inductance and magnetic stored energy of the MuCool coupling coil is increased by 2.62% compared with the design parameters [6]. The peak magnet field is increased by ~ 0.15 T at full current 210A.…”

Section: A Basic Parameters Of Mucool Coupling Coimentioning

confidence: 96%

Progress on Design and Construction of a MuCool Coupling Solenoid Magnet

Wang¹,

Liu

et al. 2010

IEEE Trans. Appl. Supercond.

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Abstract-The MuCool program undertaken by the USNeutrino Factory and Muon Collider Collaboration is to study the behavior of muon ionization cooling channel components. A single superconducting coupling solenoid magnet is necessary to pursue the research and development work on the performance of high gradient, large size RF cavities immersed in magnetic field, which is one of the main challenges in the practical realization of ionization cooling of muons. The MuCool coupling magnet is to be built using commercial copper based niobium titanium conductors and cooled by two cryo-coolers with each cooling capacity of 1.5 W at 4.2 K. The solenoid magnet will be powered by using a single 300A power supply through a single pair of binary leads that are designed to carry a maximum current of 210A. The magnet is to be passively protected by cold diodes and resistors across sections of the coil and by quench back from the 6061 Al mandrel in order to lower the quench voltage and the hot spot temperature. The magnet is currently under construction. This paper presents the updated design and fabrication progress on the MuCool coupling magnet.

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Section: A Basic Parameters Of Mucool Coupling Coimentioning

confidence: 96%

Progress on Design and Construction of a MuCool Coupling Solenoid Magnet

Wang¹,

Liu

et al. 2010

IEEE Trans. Appl. Supercond.

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“…As with ∆T c , the value of ∆T b can be set by controlling the heat transfer per unit area of the boiling surface. TABLE 2 shows the heat transfer characteristics of the MICE coupling magnet [11] that is cooled using helium in tubes and the MICE liquid hydrogen absorber [4]. The condensing area given in the table is for the condenser that is shown in FIGURE 2.…”

Section: Figurementioning

confidence: 99%

Re-Condensation and Liquefaction of Helium and Hydrogen Using Coolers

Green¹,

Weisend²

2010

AIP Conference Proceedings

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A helium liquefier using three 4 k pulse tube cryocoolers AIP Conference Proceedings 1434, 1640 (2012); 10.1063/1.4707096 RE-CONDENSATION AND LIQUEFACTION OF HELIUM AND HYDROGEN USING COOLERS M. A. GreenLawrence Berkeley National Laboratory Berkeley CA 94720, USA ABSTRACTCoolers are used to cool cryogen free devices at temperatures from 5 to 30 K. Cryogen free cooling involves a temperature drop within the device being cooled and between the device and the cooler cold heads. Liquid cooling with a liquid cryogen distributed over the surface of a device combined with re-condensation can result in a much lower temperature drop between the cooler and the device being cooled. The next logical step beyond simple re-condensation is using a cooler to liquefy the liquid cryogen in the device. A number of tests of helium liquefaction and re-condensation of helium have been run using a pulse tube cooler in the drop-in mode. This report discusses the parameter space over which re-condensation and liquefaction for helium and hydrogen can occur.

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“…The MICE coupling magnet Table I lists the basic parameters of the MICE coupling coil [3]. The MICE coupling coil is a single 285 mm long superconducting solenoid wound on a 6061-T6 Al mandrel.…”

Section: The Mice Coupling Magnet and Its Ac Lossesmentioning

confidence: 99%

Thermal Stability Analysis for Superconducting Coupling Coil in MICE

Wang²,

Green

et al. 2010

IEEE Trans. Appl. Supercond.

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Abstract-The superconducting coupling coil to be used in the Muon Ionization Cooling Experiment (MICE) with inner radius of 750 mm, length of 285 mm and thickness of 110.4 mm will be cooled by a pair of 1.5 W at 4.2 K cryo-coolers. When the coupling coil is powered to 210 A, it will produce about 7.3 T peak magnetic field at the conductor and it will have a stored energy of 13 MJ. A key issue for safe operation of the coupling coil is the thermal stability of the coil during a charge and discharge. The magnet and its cooling system are designed for a rapid discharge where the magnet is to be discharged in 5400 seconds. The numerical simulation for the thermal stability of the MICE coupling coil has been done using ANSYS. The analysis results show that the superconducting coupling coil has a good stability and can be charged and discharged safely.

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Magnetic and Cryogenic Design of MICE Coupling Solenoid Magnet System

Cited by 13 publications

References 7 publications

Progress on Design and Construction of a MuCool Coupling Solenoid Magnet

Progress on Design and Construction of a MuCool Coupling Solenoid Magnet

Re-Condensation and Liquefaction of Helium and Hydrogen Using Coolers

Thermal Stability Analysis for Superconducting Coupling Coil in MICE

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