Author: Collier, G.
Paper Title Page
TUPOJO15 Commissioning of UKRI-STFC SRF Vertical Test and HPR Reprocessing Facility 380
 
  • M.D. Pendleton, A.E.T. Akintola, R.K. Buckley, G. Collier, K.D. Dumbell, M.J. Ellis, S. Hitchen, P.C. Hornickel, G. Hughes, C.R. Jenkins, A.J. May, P.A. McIntosh, K.J. Middleman, A.J. Moss, S.M. Pattalwar, J.O.W. Poynton, P.A. Smith, A.E. Wheelhouse, S. Wilde
    STFC/DL/ASTeC, Daresbury, Warrington, Cheshire, United Kingdom
  • G. Jones, M. Lowe, D.A. Mason, G. Miller, C. Mills, J. Mutch, A. Oates, J.T.G. Wilson
    STFC/DL, Daresbury, Warrington, Cheshire, United Kingdom
 
  Mark Pendleton, et al. The UK’s first and only vertical test facility and associated cleanroom reprocessing suite has been developed, commissioned, and entered steady-state operations at the UKRI-STFC Daresbury Laboratory. The facility is capable of 2 K testing of 3 jacketed SRF cavities in a horizontal configuration per 2-week test cycle. We report on the associated cryogenic, RF, UHV, mechanical, cleanroom, and HPR infrastructure. SRF cavity workflows have been developed to meet the requirements of the ESS high beta cavity project within a newly developed quality management system, SuraBee, in accordance with ISO9001. To support standardisation of measurements across the collaboration, reference cavities have been measured for cross-reference between CEA, DESY, and UKRI-STFC. We further report on commissioning objectives, observations, and continuous improvement activities.  
DOI • reference for this paper ※ https://doi.org/10.18429/JACoW-LINAC2022-TUPOJO15  
About • Received ※ 24 August 2022 — Revised ※ 31 August 2022 — Accepted ※ 05 September 2022 — Issue date ※ 08 September 2022
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TUPOGE09 Steady-State Cryogenic Operations for the UKRI-STFC Daresbury SRF Vertical Test Facility 501
 
  • A.J. May, A.E.T. Akintola, R.K. Buckley, G. Collier, K.D. Dumbell, S. Hitchen, P.C. Hornickel, G. Hughes, C.R. Jenkins, S.M. Pattalwar, M.D. Pendleton, P.A. Smith
    STFC/DL/ASTeC, Daresbury, Warrington, Cheshire, United Kingdom
 
  A novel vertical test facility has been developed, commissioned, and entered steady-state operations at the UKRI-STFC Daresbury Laboratory. The cryostat is designed to test 3 jacketed superconducting RF cavities in a horizontal configuration in a single cool-down run at 2 K. The cavities are cooled with superfluid helium filled into their individual helium jackets. This reduces the liquid helium consumption by more than 70% in comparison with the conventional facilities operational elsewhere. The facility is currently undertaking a 2-year program to qualify 84 high-beta SRF cavities for the ESS (European Spallation Source) as part of the UK’s in-kind contribution. This paper reports on the steady-state operations, along with a detailed discussion of the cryogenic performance of the facility, including that of the cryoplant.  
DOI • reference for this paper ※ https://doi.org/10.18429/JACoW-LINAC2022-TUPOGE09  
About • Received ※ 13 August 2022 — Revised ※ 21 August 2022 — Accepted ※ 02 September 2022 — Issue date ※ 04 September 2022
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