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Cryogenic system of the CEPC detector magnet

Asia/Shanghai
C112 (Main Building)

C112

Main Building

Feipeng NING (IHEP)

地点:化学楼C112

参加人员:宁飞鹏,赵玲,朱柯宇,王梦琳,候治龙

纪要:

      朱柯宇介绍了低温系统:CMS的热虹吸方案,ATLAS的迫流冷却和热虹吸方案,EAST的冷却方案。迫流冷却和热虹吸冷却方案的对比。热虹吸的换热能力可以达到1200W/m2. 迫流冷却需要多一个低温泵提供动力。需要关注迫流冷却时管道的压力与液氦饱和压的温度。低温泵增加压力的同时会增加液氦的温度。过冷超临界氦迫流冷却方案多增加成本400-500万。不同冷却方案的成本对比。两种方案成本相差不大。

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