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Two-dimensional mechanical analysis of superconducting double-aperture quadrupole magnet prototype for CEPC

Radiation Detection Technology and Methods 2019年第4期3卷 46-50页

作者： Xiangchen Yang Yingshun Zhu Ran Liang Fusan Chen Institute of High Energy Physics Chinese Academy of SciencesBeijingChina

Introduction The circular electron-positron collider(CEPC)with a circumference about 100 km,a beam energy up to 120 GeV is proposed by the Institute of High Energy *** heart of the CEPC is a double-ring collider with two interaction *** each side of the collision point,superconducting double-aperture quadrupole magnets based on cos2θdesign which is named QD0 and QF1 separately are *** kind of superconducting magnet is designed first time in *** stability analysis is very important for superconducting magnet before *** paper mainly focused on the mechanical analysis of the prototype for *** and methods A 2D 2-layers model was developed using ANSYS to simulate the stress distribution in the coil from collaring process at room temperature to low temperature *** As part of the CEPC project,a 40 mm bore diameter superconducting double-aperture quadrupole magnet named QD0 is being designed and the physical calculation has been *** paper introduces the mechanical design,simulation model of prototype for QD0,and mainly expounds on stress *** stress distribution during 4 stages including collaring(load application),collaring(inserting keys),cooling down and excitation is described in detail.

关键词： superconducting quadrupole cos2θ Collar Stress

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