Measurement of the transfer function for a spoke cavity of C-ADS Injector I
Huang, XF; Sun, Y; Wang, GW; Wang, SZ; Zheng, X; Wang, QY; Liu, R; Lin, HY; Wang, MY
2017
发表期刊CHINESE PHYSICS C
ISSN1674-1137
卷号41期号:4页码:-
文章类型期刊论文
摘要The spoke cavities mounted in the China Accelerator Driven sub-critical System (C-ADS) have high quality factor (Q) and very small bandwidth, making them very sensitive to mechanical perturbations, whether external or self-induced. The transfer function is used to characterize the response of the cavity eigenfrequency to the perturbations. This paper describes a method to measure the transfer function of a spoke cavity. The measured Lorentz transfer function shows there are 206 Hz and 311 Hz mechanical eigenmodes excited by Lorentz force in the cavity of C-ADS, and the measured piezo fast tuner transfer function shows there are 12 mechanical eigenmodes from 0 to 500 Hz. According to these results, some effective measures have been taken to weaken the influence of helium pressure fluctuation, avoid mechanical resonances and improve the reliability of the RF system.
关键词Spoke012 Lorentz Transfer Function Piezo Fast Tuner Transfer Function Mechanical Eigenmodes
DOI10.1088/1674-1137/41/4/047001
收录类别SCI
语种英语
WOS记录号WOS:000400124800022
引用统计
文献类型期刊论文
条目标识符http://ir.sinap.ac.cn/handle/331007/27375
专题中科院上海应用物理研究所2011-2018年
推荐引用方式
GB/T 7714
Huang, XF,Sun, Y,Wang, GW,et al. Measurement of the transfer function for a spoke cavity of C-ADS Injector I[J]. CHINESE PHYSICS C,2017,41(4):-.
APA Huang, XF.,Sun, Y.,Wang, GW.,Wang, SZ.,Zheng, X.,...&Wang, MY.(2017).Measurement of the transfer function for a spoke cavity of C-ADS Injector I.CHINESE PHYSICS C,41(4),-.
MLA Huang, XF,et al."Measurement of the transfer function for a spoke cavity of C-ADS Injector I".CHINESE PHYSICS C 41.4(2017):-.
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