Analysis of Superconducting Dipole Coil of 11 GeV Super High Momentum Spectrometer

被引：3
|
作者：
Sun, Eric [1 ]
Cheng, Gary [1 ]
Lassiter, Steve [1 ]
Brindza, Paul [1 ]
Fowler, Mike [1 ]
机构：
[1] Thomas Jefferson Natl Accelerator Facil, Jefferson Lab, Newport News, VA 23606 USA
来源：
IEEE TRANSACTIONS ON APPLIED SUPERCONDUCTIVITY | 2015年 / 25卷 / 03期
关键词：
Dipole; finite element analysis (FEA); orthotropic material model; superconducting coils;
D O I：
10.1109/TASC.2014.2361477
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
Jefferson Lab is constructing five Super High Momentum Spectrometer (SHMS) superconducting magnets for the 12 GeV Upgrade. This paper reports measured coil material properties and the results of the extensive finite element analysis (FEA) for the dipole coil. To properly define the smeared orthotropic material of the coil, a detailed coil model is set up to compute material parameters because not all parameters were measured. Stress and strain acceptance criteria are discussed. Eight load steps are defined. The preheat temperature of the force collar is optimized under two loading scenarios so that the positive pressure between the inner coil and central spacer is maintained while there is not too much squeeze to the coil.
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页数：4
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