Author: Yao, Z.Y.
Paper Title Page
MOPLR041 Design and Fabrication of β=0.3 SSR1 for RISP 226
 
  • Z.Y. Yao, R.E. Laxdal, B.S. Waraich, V. Zvyagintsev
    TRIUMF, Vancouver, Canada
  • R. Edinger
    PAVAC, Richmond, B.C., Canada
 
  A 325MHz β=0.30 balloon variant of single spoke resonator, which was proposed to suppress multipacting around operational gradient, was chosen as the prototype cavity of SSR1 for Rare Isotope Science Project (RISP). It was also demonstrated to achieve good RF and mechanical properties by geometry optimization for both cavity and helium jacket. The details of RISP SSR1 design will be reported in this paper, accompanying with some particular considerations of fabrication for this new member to the spoke family.  
DOI • reference for this paper ※ https://doi.org/10.18429/JACoW-LINAC2016-MOPLR041  
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THPRC022 The Cryogenic Performance of the ARIEL E-Linac Cryomodules 815
 
  • Y. Ma, K. Fong, P.R. Harmer, T. Junginger, D. Kishi, A.N. Koveshnikov, R.E. Laxdal, N. Muller, Z.Y. Yao, V. Zvyagintsev
    TRIUMF, Vancouver, Canada
  • E. Thoeng
    UBC & TRIUMF, Vancouver, British Columbia, Canada
 
  The Advanced Rare Isotope Laboratory (ARIEL) project at TRIUMF requires a 50 MeV superconducting electron Linac consisting of five nine cell 1.3 GHz cavities divided into three cryomodules with one, two and two cavities in each module respectively. The cryomodule design utilizes a unique box cryomodule with a top-loading cold mass. LHe is distributed in parallel to each cryomodule at 4 K and at ~1.2 bar. Each cryomodule has a cryogenic insert on board that receives the 4 K liquid and produces 2 K liquid into a cavity phase separator. In the cryomodules the natural two-phase convection loops, i.e. siphon loop, are installed which supply 4 K liquid to thermal intercepts and return the vaporized liquid to the 4 K reservoir as a refrigerator load. The design of the cryomodule, the simulation results with Ansys Fluent and the results of the cold tests will be presented.
mayanyun@triumf.ca
 
DOI • reference for this paper ※ https://doi.org/10.18429/JACoW-LINAC2016-THPRC022  
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