Current leads are used to connect the superconducting magnets in cryogenic temperature to the power station in room temperature. It is the main source of heat leak into the eryostat of magnets on static operation. Thi...Current leads are used to connect the superconducting magnets in cryogenic temperature to the power station in room temperature. It is the main source of heat leak into the eryostat of magnets on static operation. This paper presents the optimized methods of the leads for BEPC Ⅱ , and the effects of different cross section ar- ea on the heat leak, temperature profile as well as the voltage drop of the leads. The multi-tube structure is adopted and improved for the leads. The results of numerical simulation using CFD software package Fluent6. 0 for the muhi-tube-structure leads are presented, which can be used to improve the design of the leads.展开更多
文摘Current leads are used to connect the superconducting magnets in cryogenic temperature to the power station in room temperature. It is the main source of heat leak into the eryostat of magnets on static operation. This paper presents the optimized methods of the leads for BEPC Ⅱ , and the effects of different cross section ar- ea on the heat leak, temperature profile as well as the voltage drop of the leads. The multi-tube structure is adopted and improved for the leads. The results of numerical simulation using CFD software package Fluent6. 0 for the muhi-tube-structure leads are presented, which can be used to improve the design of the leads.
