Mechanical design and analysis of a low beta squeezedhalf-wave resonator

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HE Shou-Bo, ZHANG Cong, YUE Wei-Ming, WANG Ruo-Xu, XU Meng-Xin, WANG Zhi-Jun, HUANG Shi-Chun, HUANG Yu-Lu, JIANG Tian-Cai, WANG Feng-Feng, ZHANG Sheng-Xue, HE Yuan, ZHANG Sheng-Hu and ZHAO Hong-Wei. Mechanical design and analysis of a low beta squeezedhalf-wave resonator[J]. Chinese Physics C, 2014, 38(8): 087005. doi: 10.1088/1674-1137/38/8/087005
HE Shou-Bo, ZHANG Cong, YUE Wei-Ming, WANG Ruo-Xu, XU Meng-Xin, WANG Zhi-Jun, HUANG Shi-Chun, HUANG Yu-Lu, JIANG Tian-Cai, WANG Feng-Feng, ZHANG Sheng-Xue, HE Yuan, ZHANG Sheng-Hu and ZHAO Hong-Wei. Mechanical design and analysis of a low beta squeezedhalf-wave resonator[J]. Chinese Physics C, 2014, 38(8): 087005.  doi: 10.1088/1674-1137/38/8/087005 shu
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Received: 2013-09-24
Revised: 1900-01-01
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Mechanical design and analysis of a low beta squeezedhalf-wave resonator

    Corresponding author: HE Shou-Bo,

Abstract: A superconducting squeezed type half-wave resonator (HWR) of β=0.09 has been developed at the Institute of Modern Physics, Lanzhou. In this paper, a basic design is presented for the stiffening structure for the detuning effect caused by helium pressure and Lorentz force. The mechanical modal analysis has been investigated the with finite element method (FEM). Based on these considerations, a new stiffening structure is proposed for the HWR cavity. The computation results concerning the frequency shift show that the low beta HWR cavity with new stiffening structure has low frequency sensitivity coefficient df/dp and Lorentz force detuning coefficient KL, and stable mechanical properties.

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