Nuclear Engineering and Technology

  • 제56권1호
  • /
  • Pages.195-206
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  • 2024
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  • 1738-5733(pISSN)
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  • 2234-358X(eISSN)
한국원자력학회 (Korean Nuclear Society)
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Design and simulation of 500 MHz single cell superconducting RF cavity for SILF

  • Yanbing Sun (Sino-French Institute of Nuclear Engineering and Technology, Sun Yat-sen University) ;
  • Wei Ma (Sino-French Institute of Nuclear Engineering and Technology, Sun Yat-sen University) ;
  • Nan Yuan (Sino-French Institute of Nuclear Engineering and Technology, Sun Yat-sen University) ;
  • Yulin Ge (Sino-French Institute of Nuclear Engineering and Technology, Sun Yat-sen University) ;
  • Zhen Yang (Sino-French Institute of Nuclear Engineering and Technology, Sun Yat-sen University) ;
  • Liping Zou (Sino-French Institute of Nuclear Engineering and Technology, Sun Yat-sen University) ;
  • Liang Lu (Sino-French Institute of Nuclear Engineering and Technology, Sun Yat-sen University)
  • 투고 : 2023.07.11
  • 심사 : 2023.09.16
  • 발행 : 2024.01.25
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초록

Shenzhen Innovation Light source Facility (SILF) is a 3.0 GeV fourth generation diffraction limited synchrotron light source currently under construction in Shenzhen. The SILF storage ring is proposed to use two 500 MHz single cell superconducting radio frequency (SRF) cavities to provide 2.4 MV RF voltage. In this study, we examined the geometric structure of mature CESR superconducting cavities and adopted a beam-pipe-type extraction scheme for high-order modes (HOM). One of the objectives of SRF cavity design and optimization in this study is to reduce Ep/Eacc and Bp/Eacc as much as possible to reduce power loss and ensure stable operation of the cavity. To reduce the risk of beam instability and thermal breakdown, the HOM and Multipacting (MP) are simulated. Moreover, the mechanical properties of the cavity are analyzed, including frequency sensitivity from pressure of liquid helium (LHe), stress, tuning, Lorentz force detuning (LFD), the microphone effect, and buckling. By comprehensive design and optimization of 500 MHz single-cell SRF cavities, a superconducting cavity for SILF storage ring was developed. This paper will detailed present the design and simulation.

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과제정보

We thank the National Natural Science Foundation of China (No. 12175319, 12175320) and the Natural Science Foundation of Guangdong Province, China (grants No. 2022A1515010280) for providing financial support to this study.

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