【摘要】 北京正负电子对撞机重大改造工程(BEPCII)采用了频率为500 MHz的单cell超导纯铌腔作为加速腔。通过有限元分析的方法对超导腔恒温器各部件进行热模拟和分析,并将模拟分析结果与超导腔的水平测试结果进行比较验证,确认数值分析结果为可信的,且得出对备用超导腔恒温器设计、加工和运行具有指导意义的结果。更多还原

【Abstract】 The Beijing Electron-Positron Collider Upgrade(BEPCII) adopts two single-cell 500 MHz superconducting niobium acceleration cavities.The finite element analysis method was used for the thermal simulation of the BEPCII superconducting cavity cryostat.Compared with the results of the SRFC horizontal test,the simulation results were credible,and can be used as important data for the design,manufacture and operation of the spare Superconducting Radio Frequency(SRF) cavity.更多还原