Thermal consideration and optimization for high-power operation of a cyclotron RF cavity

被引：7
|
作者：
Liu, Guang [1 ,2 ]
Song, Yuntao [1 ]
Chen, Gen [1 ]
Zhao, Yanping [1 ]
Zhang, Xin [1 ]
机构：
[1] Chinese Acad Sci, Inst Plasma Phys, Hefei 230031, Anhui, Peoples R China
[2] Univ Sci & Technol China, Hefei 230026, Anhui, Peoples R China
来源：
NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT | 2018年 / 908卷
基金：
中国国家自然科学基金;
关键词：
Cyclotron; RF cavity; Thermal consideration and optimization; Frequency deviation analysis; Low-power test;
D O I：
10.1016/j.nima.2018.08.037
中图分类号：
TH7 [仪器、仪表];
学科分类号：
0804 ; 080401 ; 081102 ;
摘要：
RF cavity which establishes an electric field to accelerate the charged particles is one of the most critical and complicated components in cyclotron. When the cavity is in a high-power operation, there will be a high temperature in RF cavity due to its own thermal loss. And it will cause mechanical deformation and frequency deviation to cavity. Those series of factors may influence the performances of cavity negatively. In this paper, thermal situation of RF cavity has been analyzed during high-power operation, and some optimizations are made to improve thermal performance. Frequency deviation of cavity is simulated through multi-physics analysis. Moreover, a low-power (similar to 20 kW) test has verified the thermal consideration, and the performances of prototype cavity in high-power operation which are estimated comply with the design goal.
引用
收藏
页码：143 / 147
页数：5
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