Electromagnetic Design and Optimization of Superconducting Spoke021 Cavity for C-ADS

YANG Yuzhang; HE Yuan; ZHANG Shenghu; ZHANG Cong; YUE Weiming; JIANG Tiancai; HE Shoubo; WANG Ruoxu; XU Mengxin; HUANG Yulu; HUANG Shichun; ZHANG Shengxue

doi:10.11804/NuclPhysRev.31.01.037

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Article Navigation > Nuclear Physics Review > 2014 > 31(1): 37-42

YANG Yuzhang, HE Yuan, ZHANG Shenghu, ZHANG Cong, YUE Weiming, JIANG Tiancai, HE Shoubo, WANG Ruoxu, XU Mengxin, HUANG Yulu, HUANG Shichun, ZHANG Shengxue. Electromagnetic Design and Optimization of Superconducting Spoke021 Cavity for C-ADS[J]. Nuclear Physics Review, 2014, 31(1): 37-42. doi: 10.11804/NuclPhysRev.31.01.037

Citation:

YANG Yuzhang, HE Yuan, ZHANG Shenghu, ZHANG Cong, YUE Weiming, JIANG Tiancai, HE Shoubo, WANG Ruoxu, XU Mengxin, HUANG Yulu, HUANG Shichun, ZHANG Shengxue. Electromagnetic Design and Optimization of Superconducting Spoke021 Cavity for C-ADS[J]. Nuclear Physics Review, 2014, 31(1): 37-42. doi: 10.11804/NuclPhysRev.31.01.037

Electromagnetic Design and Optimization of Superconducting Spoke021 Cavity for C-ADS

doi: 10.11804/NuclPhysRev.31.01.037

Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000, China;

Received Date: 1900-01-01
Rev Recd Date: 1900-01-01
Publish Date: 2014-03-20

Abstract

The electromagnetic optimizations of a superconducting Spoke021 cavity is studied in detail for C-ADS project, in this paper. The cavity model has been parameterized, in order to find the possible maxima or minima of the key electro-magnetic parameters, the parameter sweep is performed. The cavity model has been parameterized. For finding the key electromagnetic feature, the geometric parameter sweep is performed. The physical interpretation for the variation of these electromagnetic parameters has been elaborated. The electromagnetic simulation gives the optimum parameters Ep/Eacc of 3.14 and Bp/Eacc of 4.77 mT/(MV/m).In addition, the Multipacting(MP) has a great effect on the electromagnetic properties of superconducting Spoke021 cavity. So the MP simulations have been done for this cavity, which shows that there is no MP
phenomenon at 10 MV/m accelerator gradient. Therefore, the optimized cavity parameters can satisfy the requirements of the C-ADS project. Finally, the TTF(Transit Time Factor) curve of this cavity is calculated and it shows that this cavity has wide velocity acceptance.
- superconducting spoke cavity,
- CST-MWS,
- multipacting,
- C-ADS
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通讯作者: 陈斌, bchen63@163.com

1.
沈阳化工大学材料科学与工程学院沈阳 110142

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Electromagnetic Design and Optimization of Superconducting Spoke021 Cavity for C-ADS

doi: 10.11804/NuclPhysRev.31.01.037

Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000, China;

Received Date: 1900-01-01
Rev Recd Date: 1900-01-01
Publish Date: 2014-03-20

Key words:

Abstract: The electromagnetic optimizations of a superconducting Spoke021 cavity is studied in detail for C-ADS project, in this paper. The cavity model has been parameterized, in order to find the possible maxima or minima of the key electro-magnetic parameters, the parameter sweep is performed. The cavity model has been parameterized. For finding the key electromagnetic feature, the geometric parameter sweep is performed. The physical interpretation for the variation of these electromagnetic parameters has been elaborated. The electromagnetic simulation gives the optimum parameters Ep/Eacc of 3.14 and Bp/Eacc of 4.77 mT/(MV/m).In addition, the Multipacting(MP) has a great effect on the electromagnetic properties of superconducting Spoke021 cavity. So the MP simulations have been done for this cavity, which shows that there is no MP
phenomenon at 10 MV/m accelerator gradient. Therefore, the optimized cavity parameters can satisfy the requirements of the C-ADS project. Finally, the TTF(Transit Time Factor) curve of this cavity is calculated and it shows that this cavity has wide velocity acceptance.

Citation:

YANG Yuzhang, HE Yuan, ZHANG Shenghu, ZHANG Cong, YUE Weiming, JIANG Tiancai, HE Shoubo, WANG Ruoxu, XU Mengxin, HUANG Yulu, HUANG Shichun, ZHANG Shengxue. Electromagnetic Design and Optimization of Superconducting Spoke021 Cavity for C-ADS[J]. Nuclear Physics Review, 2014, 31(1): 37-42. doi: 10.11804/NuclPhysRev.31.01.037