Keyword: beam-transport
Paper Title Other Keywords Page
THPO051 The Multi-physics Analysis of LEAF RFQ rfq, cavity, simulation, heavy-ion 805
 
  • X.B. Xu, T. He, Y. He, C.X. Li, L. Lu, W. Ma, A. Shi, L.B. Shi, L.P. Sun, C.C. Xing, L. Yang, H.W. Zhao
    IMP/CAS, Lanzhou, People’s Republic of China
 
  The 81.25 MHz CW RFQ is designed to accelerate heavy ions with Q/A from 1/7 to 1/2 at 0.5 MeV/u for the Low Energy Accelerator Facility (LEAF) at the Institute of Modern Physics (IMP) of the Chinese Academy of Science (CAS). The four-vane RFQ consists of six mod-ules with a total length of 5.95 meters, For the CW oper-ating mode, thermal management will be a very important issue, Therefore a multi-physics analysis is necessary to ensure that the cavity can stably operate at the high RF power . The multi-physics analysis process includes RF electromagnetic analysis, thermal analysis, mechanical analysis, and the frequency shift, the cooling water system is used for frequency tunning by the temperature adjustment, and also analyze RFQ undercuts, fixed tuners, and pi-mode rods, the results show that the thermal and structural design of this RFQ is reasonable.  
DOI • reference for this paper ※ https://doi.org/10.18429/JACoW-LINAC2018-THPO051  
About • paper received ※ 17 September 2018      issue date ※ 18 January 2019  
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