Author: Guan, X.
Paper Title Page
THPME023 CPHS Linac Status at Tsinghua University 3268
 
  • Q.Z. Xing, C. Cheng, L. Du, T. Du, X. Guan, C. Jiang, X.W. Wang, H.Y. Zhang, S.X. Zheng
    TUB, Beijing, People's Republic of China
  • W.Q. Guan, Y. He, J. Li
    NUCTECH, Beijing, People's Republic of China
 
  Funding: Work supported by National Natural Science Foundation of China (Major Research Plan Grant No. 91126003 and 11175096).
We present, in this paper, the operation status of the 3 MeV high current proton Linac for the Compact Pulsed Hadron Source (CPHS) at Tsinghua University. Proton beam with the peak current of 30 mA, pulse length of 100 μs and repetition rate of 50 Hz has been delivered to the Beryllium target to produce the neutron since July 2013. The pulse length will be further increased to 500 μs. The proton beam energy is expected to be enhanced to the designed value of 13 MeV after the Drift Tube Linac is ready in 2015.
 
DOI • reference for this paper ※ https://doi.org/10.18429/JACoW-IPAC2014-THPME023  
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THPME024 Cooling Design for the FRIB RFQ Cavity at Michigan State University 3271
 
  • J. Zeng, L. Du, X. Guan, Q.Z. Xing, S.X. Zheng
    TUB, Beijing, People's Republic of China
  • W.Q. Guan, J. Li
    NUCTECH, Beijing, People's Republic of China
 
  Funding: Work supported by the Major Research plan of the National Natural Science Foundation of China (Grant No. 91126003)
We present, in this paper, the cooling design for the Radio Frequency Quadrupole (RFQ) cavity of the Facility for Rare Isotope Beams (FRIB) at Michigan State University. The locations and radius of the cooling passages are optimized, which exist in the five-meter-long copper cavity, tuners, dipole-mode stabilizing rods and end-plates. A three-dimensional RF, thermal, and structural analysis by ANSYS has been performed to carry out the design and verify that the present design can meet the requirement for water velocity, stress, deformation and frequency shift.
 
DOI • reference for this paper ※ https://doi.org/10.18429/JACoW-IPAC2014-THPME024  
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