国际直线对撞机(ILC)正电子靶沉积的热功率将超过20 kW，传统的冷却方式已无法满足要求。美国Argonne国家实验室提出了摩擦接触热传导冷却的方法。根据Argonne实验室的研究方案，设计了一种旋转摩擦接触冷却的简化装置，根据热传导理论，结合ANSYS软件模拟了旋转冷却过程中的温度分布，理论上验证了方法的可行性。按照模拟的参数和结果，进行了摩擦接触热传导冷却实验，通过实验结果和数据分析证实了，低温区(20℃～50℃)有良好的冷却效应，初步验证了摩擦接触热传导冷却方案的有效性。
A new scheme that cooling international Linear Collider (ILC) positron source target by touching thermal conduction (TTC) is presented by Argonne National Laboratory (ANL). Recent results of simulation for cooling the iron targets with 300 and 450 W heat reservoir by ANSYS and experiment of cooling the iron target with 300 and 450 W friction heat reservoir at Institute of Modern Physics (IMP), Chinese Academy of Sciences (CAS), have proved that the TTC has good cooling effect in low temperature zone(20 ℃～50℃), and preliminarily verified the feasibility of TTC for cooling the ILC positron source target.
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