Author: DeGraff, B.
Paper Title Page
WEPRI074 Status of SRF Facilities at SNS 2663
 
  • J. Saunders, R. Afanador, B. DeGraff, C.J. McMahan
    ORNL RAD, Oak Ridge, Tennessee, USA
  • M.T. Crofford, M. Doleans, M.P. Howell, S.-H. Kim, S.W. Lee, T.S. Neustadt, S.E. Stewart, W.H. Strong
    ORNL, Oak Ridge, Tennessee, USA
  
  Funding: This work was supported by SNS through UT-Battelle, LLC, under contract DE-AC05-00OR22725 for the U.S. DOE.
As a part or an ongoing process to maintain and improve the performance of its Superconducting Linac (SCL) the Spallation Neutron Source (SNS) is building facilities for processing and testing Superconducting Radio Frequency (SRF) cavities. Recently both a High Pressure Rinse (HPR) tool and a Vertical Test Apparatus (VTA) have been built and commissioned. The HPR is a commercially fabricated piece of equipment which is customized for the SNS application. The VTA was specified, designed and developed by the SNS. This paper will outline the design features as well as the commissioning results for both systems. 		 
DOI • reference for this paper ※ https://doi.org/10.18429/JACoW-IPAC2014-WEPRI074  
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THPRI113 Spallation Neutron Source Cryogenic Test Facility Horizontal Test Apparatus Operation 4043
 
  • B. DeGraff, B.S. Hannah, T.S. Neustadt, J. Saunders
    ORNL RAD, Oak Ridge, Tennessee, USA
  • R. Afanador, M. Doleans, M.P. Howell, S.-H. Kim, C.J. McMahan
    ORNL, Oak Ridge, Tennessee, USA
  
  Funding: This work was supported by SNS through UT-Battelle, LLC, under contract DE-AC05-00OR22725 for the U.S. DOE.
The Spallation Neutron Source (SNS) has built Superconducting Radio Frequency (SRF) processing and testing facilities to support improvement programs and future upgrades. The Cryogenic Test Facility (CTF) system is capable of delivering liquid helium at 4.5K to different test apparatus in support of SRF testing. This paper describes the final stages of fabrication, commissioning and the initial operation of the Horizontal Test Apparatus (HTA). The HTA allows for cold testing of single jacketed medium-beta or high-beta SRF cavities. Heat loads, capacities, and other performance data collected during operation will be presented. Cavity testing lifecycle for plasma processing research and development will be discussed. System changes to allow for 2K helium operation in the HTA will also be addressed. 		 
DOI • reference for this paper ※ https://doi.org/10.18429/JACoW-IPAC2014-THPRI113  
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