Static stress analysis of coupling superconducting solenoid coil assembly for muon ionization cooling experiment

查看全文 作　　者：PAN Heng WANG Li WU Hong GUO Xinglong XU [1]Fengyu 机构地区：[1]Institute of Cryogenics and Superconductivity Technology, Harbin Institute of Technology, Harbin 150080, China 出　　处：《Nuclear Science and Techniques》索引2010年第21卷第1期,共6页 基　　金：Supported by Funds of cryogenics and superconductivity technology innovation project under '985-2 Plan' of Harbin Institute of Technology,China;the Office of Science,US Department of Energy under DOE contract DE-AC02-05CH11231 摘　　要：The stresses in the coupling superconducting solenoid coil assembly,which is applied in the Muon Ionization Cooling Experiment (MICE),are critical for the structure design and mechanical stability because of a large diameter and relative high magnetic field.This paper presents an analytical stress solution for the MICE coupling coil assembly.The stress due to winding tension is calculated by assuming the coil package as a set of combined cylinders.The thermal and electromechanical stresses are obtained by solving the partial differential equations of displacement based on the power series expansion method.The analytical stress solution is proved to be feasible by calculating stresses in a tested superconducting solenoid with 2.58 m bore at room temperature.The analytical result of the MICE coupling coil is in good agreement with that of the finite element which shows that the transverse shear stress induced by Lorentz force is principally dominant to magnet instability. 关 键 词：螺线管线圈 耦合线圈 应力分析 超导线圈 组装 电离 实验 冷却