Author: Pan, W.M.
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MOAA03
 Progress on Chinese ADS project  
 
  • Y. He
    IMP/CAS, Lanzhou, People's Republic of China
  • W.M. Pan
    IHEP, Beijing, People's Republic of China
  
  An overview of C-ADS project progress since SRF2013 shall be presented. Operational experience with integrated hardware and beam tests and SRF infrastructure shall be reported. An overview of cavity and cryomodule progress can be presented keeping in mind that a detailed ADS cavity report will also be presented in a separate talk.  
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TUPB017 1.3 GHz SRF Technology R&D Progress of IHEP 581
 
  • J.Y. Zhai, Y.L. Chi, J.P. Dai, X.W. Dai, J. Gao, R. Ge, D.Y. He, T.M. Huang, X. Huang, S. Jin, S.P. Li, H.Y. Lin, B. Liu, Z.C. Liu, Q. Ma, Z.H. Mi, W.M. Pan, X.H. Peng, L.R. Sun, Y. Sun, Z. Xue, S.W. Zhang, Z. Zhang, H. Zhao, T.X. Zhao, H.J. Zheng, Z.S. Zhou
    IHEP, Beijing, People's Republic of China
  
  IHEP started the 1.3GHz SRF technology R&D in 2006 and recently enters the stage of integration and industrialization. After successfully making several single cell and 9-cell cavities of different shape and material, we designed and assembled a short cryomodule containing one large grain low loss shape 9-cell cavity with an input coupler and a tuner etc. This module will perform horizontal test in 2016 with the newly commissioned 1.3GHz 5MW klystron and the 2K cryogenic system. Beam test with a DC photocathode gun is also foreseen in the near future. We report here the problems, key findings and improvements in cavity dressing, clean room assembly, cryomodule assembly and the liquid nitrogen cool down test. A fine grain TESLA 9-cell cavity is also under fabrication in a company as the industrialization study.  
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THPB087 Design and Simulation of High Power Input Coupler for C-ADS Linac 5-Cell Elliptical Cavities 1343
 
  • K.X. Gu
    Institute of High Energy Physics (IHEP), Chinese Academy of Sciences, Beijing, People's Republic of China
  • X. Chen, T.M. Huang, Q. Ma, W.M. Pan
    IHEP, Beijing, People's Republic of China
  
  Two 650 MHz elliptical cavity sections (elliptical 063, elliptical 082) are chosen to accelerate medium energy protons for China Accelerator Driven sub-critical System (C-ADS) linac. For each 5-cell cavity, RF power up to 150 kW in CW mode is required to be fed by a fundamental power coupler (FPC). A coaxial type coupler is designed to meet the power and RF coupling requirements. This paper presents the RF design, thermal analysis and multipacting simulations of the coupler for C-ADS 5-cell elliptical cavities.  
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THPB101 High Power Input Couplers for C-ADS 1383
 
  • T.M. Huang, X. Chen, H.Y. Lin, Q. Ma, F. Meng, W.M. Pan, G.W. Wang, X.Y. Zhang
    IHEP, Beijing, People's Republic of China
  • K.X. Gu
    Institute of High Energy Physics (IHEP), Chinese Academy of Sciences, Beijing, People's Republic of China
  
  High power input couplers are key components of the superconducting system for China Accelerator Driven sub-critical System (C-ADS) project. For the first phase, C-ADS includes four types of superconducting cavities (SCCs) of two frequencies, 162.5 MHz HWR SCC and 325 MHz Spoke SCC up to the energy of 25 MeV. All input couplers for the SCCs are developed in IHEP. This paper will describe the development status of the high power input couplers for C-ADS.  
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